+

WO2018163849A1 - Pinces de pompe à eau, et élément formant couvercle - Google Patents

Pinces de pompe à eau, et élément formant couvercle Download PDF

Info

Publication number
WO2018163849A1
WO2018163849A1 PCT/JP2018/006507 JP2018006507W WO2018163849A1 WO 2018163849 A1 WO2018163849 A1 WO 2018163849A1 JP 2018006507 W JP2018006507 W JP 2018006507W WO 2018163849 A1 WO2018163849 A1 WO 2018163849A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
cover member
tip
water pump
jaw
Prior art date
Application number
PCT/JP2018/006507
Other languages
English (en)
Japanese (ja)
Inventor
高崎　充弘
雅則 安藤
真之介 川合
真優 福田
Original Assignee
株式会社エンジニア
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社エンジニア filed Critical 株式会社エンジニア
Publication of WO2018163849A1 publication Critical patent/WO2018163849A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06—Joints
    • B25B7/10—Joints with adjustable fulcrum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/22—Pliers provided with auxiliary tool elements, e.g. cutting edges, nail extractors

Definitions

  • the present invention relates to water pump pliers and the like.
  • a plier called a water pump plier has been known as a tool used for connecting pipes such as water pipes and gas pipes.
  • the water pump pliers are, for example, pliers obtained by bending the direction of the opening with respect to the direction in which the handle portion extends.
  • the water pump pliers are used, for example, for tightening the lock nut and the coupling between the upper jaw portion and the lower jaw portion.
  • the connecting part of the water pump pliers usually has a structure that can be slid large. If the connecting part is slid, the upper jaw part and the lower jaw part will open widely, and it will be possible to pinch large objects more securely. It becomes.
  • FIG. 11 is a right side view (FIG. 11A) of an example of a conventional water pump plier with the first jaw portion 91 and the second jaw portion 92 closed, and the first jaw portion 91 and It is a right view (Drawing 11 (b)) in the state where the 2nd jaw part 92 was opened (refer nonpatent literature 1).
  • the arm having the first jaw portion 91 and the arm having the second jaw portion 92 are rotated about the connecting shaft 93 as the rotation shaft, whereby the first jaw portion 91 and the second jaw portion 91 are rotated.
  • the jaw portion 92 can be opened and closed to hold an object to be clamped such as a lock nut.
  • the tip of the upper jaw portion 91 and the tip of the lower jaw portion 92 are provided with screws attached so as to extend in the tip direction. It is possible to use the object by pulling or turning the object with the object such as the head in between.
  • the upper jaw portion 91 and the lower jaw portion 92 have a distal end side. Since the position at which the two surfaces including the opposing surfaces intersect each other moves greatly, when the object such as the head of the screw is sandwiched between the tip of the upper jaw portion 91 and the tip of the lower jaw portion, It is difficult to predict the movement and the movement of the lower jaw part 92, and when closing the upper jaw part 91 and the lower jaw part 92, the upper jaw part 92 moves so that the tip of the lower jaw part protrudes forward once.
  • the conventional water pump pliers have a problem that the operability is poor when the object is sandwiched between the tip of the upper jaw portion 91 and the tip of the lower jaw portion. For this reason, the water pump pliers could not be properly used for limited applications.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a water pump plier with an expanded application that can be used appropriately.
  • the water pump pliers of the present invention are provided on the first arm, the first arm and the second arm having the jaw portion on the first end portion and the handle portion on the second end portion side. It is inserted into a hole that can be locked at two or more different positions, and the first arm and the second arm are rotatably connected to each other, and the connecting part is locked at two or more different positions of the hole. And a locking structure for adjusting the opening width between the jaw portions, and the first opposing surface is provided at the tip of the jaw portion of the first arm and the tip of the jaw portion of the second arm.
  • the second opposing surface is provided, and the rotation center of the connecting portion is locked to the first opposing surface and the second in a state where the connecting portion is locked at the position where the opening width of the jaw portion is the narrowest by the locking structure.
  • It is a water pump plier located on the surface equidistant from the opposing surface.
  • an object such as a screw head can be sandwiched between the tip of the first facing surface and the tip of the second facing surface, and the object can be removed.
  • the center of rotation of the connecting part is positioned on the extension of the axis of the object such as a screw to be sandwiched, so that the positioning when grasping the object without looking at the tip of the jaw part, etc. Can be performed intuitively with reference to the position of the connecting portion, and operability can be improved.
  • the first opposing surface and the second opposing surface can be moved so that the angle formed by each normal line and the moving direction of each surface is constant, the head of the screw, etc.
  • the movement between the first opposing surface and the second opposing surface is easy to predict and the movement is not complicated.
  • Positioning and the like can be easily performed, and a screw head or the like can be easily sandwiched.
  • the tip of the second facing surface of the jaw portion located on the lower side is in a direction substantially parallel to the first facing surface.
  • the use which can be utilized appropriately of a water pump plier can be expanded.
  • the water pump pliers of the present invention are water pump pliers in which, in the water pump pliers, the first facing surface and the second facing surface have a recess provided with a ridge extending from the tip of the jaw portion.
  • the object such as the head of a screw can be securely clamped between the tip of the first facing surface and the tip of the second facing surface, and the object can be removed.
  • the leading ends of the ridges respectively provided on the jaw portion of the first arm and the jaw portion of the second arm are in a state where the jaw portion is closed.
  • the water pump pliers are inclined so that the ridges are separated from each other as the distance from the tip of the jaw portion increases.
  • the front ends of the two recesses can be made parallel or close to parallel, and the object can be securely clamped.
  • the water pump pliers of the present invention are the above water pump pliers, in the direction in which the first arm or the second arm extends, on the second end side of at least one of the first arm or the second arm.
  • the wrench-shaped portion can be used as an n-square wrench having a different size, and the convenience of work can be enhanced.
  • the water pump pliers of the present invention are driver shapes having a minus driver shape whose width is equal to or less than a threshold value on the second end side of at least one of the first arm or the second arm in the water pump pliers. It is a water pump plier provided with a section.
  • the driver shape portion can be used as a minus driver, and the convenience of work can be enhanced.
  • the water pump plier of the present invention further includes a cover member that is detachably attached to a handle portion of at least one of the first arm and the second arm in the water pump plier, and the cover member is arranged in the longitudinal direction.
  • the arm has an opening that extends, reaches the at least one end, has a C-shaped cross section perpendicular to the longitudinal direction of the opening, and the handle of the arm into which the cover member is fitted
  • a fitting portion having a shape that can be fitted into the inside of the cover member through the opening is provided.
  • the insertion portion of the arm to which the cover member is attached is inserted into the C-shaped interior of the cover member from the open end of the cover member.
  • the cover member can be attached to the handle portion by sliding, and the cover member can be easily attached to and detached from the handle portion. Further, since the cross section is C-shaped, the cover member can be prevented from rotating around the handle portion.
  • the water pump pliers according to the present invention are attached to the arm by sliding the cover member from the first end side to the second end side of the arm in the water pump plier. Water pump pliers.
  • the cover member can be easily detachable from the water pump plier by sliding the cover member, and the cover member is fitted from a direction different from the direction in which the arm is moved. it can.
  • each cover member has a locking surface at a portion on the second end side in a state of being attached to the arm, and each cover member is attached.
  • the water is further provided with a cover locking portion that locks with the locking surface of the cover member and prevents the movement of the cover member to the second end side.
  • the water pump pliers of the present invention are water pump pliers in which the handle portion to which the cover member is attached has a non-slip shape in a portion exposed when the cover member is removed. .
  • the water pump pliers according to the present invention can expand applications that can be used appropriately.
  • the water pump pliers according to the embodiment of the present invention have a front view (FIG. 1A), a right side view (FIG. 1B), and a second handle portion including a first arm and a second arm. View from the opposite side (FIG. 1C) and view from the second end side (FIG. 1D) A perspective view (FIG. 2 (a)) around the first jaw and the second jaw in a state where the first jaw and the second jaw of the water pump pliers are expanded, and the first jaw
  • the top view which shows the surface of the 1st opposing surface of a part (FIG.2 (b)) Sectional drawing (FIG.
  • the first handle part is made up of the first arm and the second arm.
  • FIG. 8A is a perspective view (FIG. 8A), a cross-sectional view (FIG. 8B), and a cross-sectional view (FIG. 8C) of the wrench-shaped portion of the water pump pliers.
  • FIG. 9 (b) sectional view (FIG. 9 (c)) showing a state where the wrench-shaped portion is inserted into the first pipe of the water pump pliers
  • Side view (figure 9 (d)), sectional view (figure 9 (e)), sectional view (figure 9 (f)) showing a state in which the wrench-shaped part is inserted into the second tube Sectional drawing (Fig.10 (a)) which shows the 1st modification of a cover member of the water pump pliers, and perspective view (FIG.10 (b)) which shows the 2nd modification of a cover member Side view of conventional water pump pliers with jaws closed (FIG. 11 (a)) and side view with jaws opened (FIG. 11 (b))
  • the present invention relates to a water pump plier in which the structure proposed by the inventors of the present invention in Japanese Patent Application Laid-Open No. 2003-291072 for turning a screw with a screw head interposed therebetween has been applied by the inventors' diligent research. It is about.
  • FIG. 1 is a front view (FIG. 1 (a)), a right side view (FIG. 1 (b)) of a water pump plier according to the present embodiment with the jaw part closed, and a second handle of the water pump plier.
  • FIG. 2 is a perspective view (FIG. 2A) around the first jaw portion and the second jaw portion in a state where the jaw portion of the water pump pliers in the present embodiment is expanded, and the first jaw portion. It is a top view (Drawing 2 (b)) showing the surface of the 1st counter side of.
  • FIG. 3 shows the first jaw portion and the second jaw portion around the tip of the first jaw portion and the second jaw portion in a state where the first jaw portion and the second jaw portion of the water pump pliers in the present embodiment are closed.
  • Sectional view along the direction in which the jaw part extends (FIG. 3A)
  • side view around the tip of the first jaw part and the second jaw part showing a state in which the head of the screw is sandwiched at the tip
  • FIG. 3 ( b) side view around the tip of the first jaw part and the second jaw part showing a state in which the head of the screw is sandwiched at the tip
  • FIG. 3C is a cross-sectional view taken along the line IIId-IIId in the vicinity of the tip of the first jaw part and the second jaw part showing a state in which the screw head is sandwiched at the tip
  • FIG. 3D is a cross-sectional view taken along the line IIId-IIId in the vicinity of the tip of the first jaw part and the second jaw part showing a state in which the
  • FIG. 4 is a front view (FIG. 4A), a side view (FIG. 4B) of the water pump pliers with the cover member removed in the present embodiment, and the second handle portion. It is the figure (FIG.4 (d)) seen from the side which an arm and a 2nd arm oppose, and the figure (FIG.4 (c)) seen from the 2nd edge part side.
  • FIG. 5 is a perspective view (FIG. 5A) of the cover member according to the present embodiment, as viewed from the side where the cover member is provided on the second end side, and the opening provided in the longitudinal direction.
  • FIG. 5C which is a top view
  • the right side is the locking surface side.
  • the water pump plier 1 includes a first arm 101, a second arm 102, a connecting shaft 103, and a locking structure 104.
  • the first arm 101 has a first end portion 101a and a second end portion 101b, has a jaw portion 1011 on the first end portion 101a, and a handle portion 1012 on the second end portion 101b side. have.
  • the jaw portion 1011 and the handle portion 1012 of the first arm 101 are referred to as the first jaw portion 1011 and the first handle portion 1012 here.
  • the first arm 101 includes a wrench-shaped portion 105 between the handle portion 1012 and the second end portion 101b.
  • the second arm 102 has a first end portion 102a and a second end portion 102b, has an jaw portion 1021 at the first end portion 102a, and a handle portion 1022 on the second end portion 102b side. have.
  • the jaw portion 1021 and the handle portion 1022 of the second arm 102 are referred to as a first jaw portion 1011 and a first handle portion 1012.
  • the second arm 102 has a driver shape portion at the second end portion 102b.
  • the first arm 101 is provided with a slide hole (hereinafter referred to as a slide hole) 1013 extending along the direction in which the first arm 101 extends.
  • the slide hole 1013 is a through hole.
  • a case where the slide hole 1013 has a planar shape extending linearly is shown as an example. However, it does not necessarily have to extend linearly. It should be noted that the fact that the slide hole 1013 extends along the direction in which the first arm 101 extends does not matter whether the direction in which the slide hole 1013 extends is parallel to the direction in which the first arm 101 extends.
  • the slide hole 1013 extends along the direction in which the first arm 101 extends as a whole, the direction in which the slide hole 1013 extends inclines with respect to the direction in which the first arm 101 extends. Even when the slide hole 1013 is curved, the slide hole 1013 may be considered to extend along the direction in which the first arm 101 extends. The slide hole 1013 does not necessarily extend along the first arm 101.
  • the connecting shaft 103 is inserted through the slide hole 1013, and connects the first arm 101 and the second arm 102 in a rotatable manner.
  • a screw head 1032 is provided at one end of the connecting shaft 103 (here, the end portion on the first arm 101 side as an example).
  • a screw groove is provided at the other end of the connecting shaft 103 (here, an end portion on the second arm 102 side as an example) and is fixed by a nut 1033.
  • the connecting shaft 103 includes a portion between the first jaw portion 1011 of the first arm 101 and the first handle portion 1012, and the second jaw portion 1021 and the second handle portion of the second arm 102. 1022 is connected to the portion 1022.
  • one end of the connecting shaft 103 may be fixed to the second arm 102.
  • the connecting shaft 103 may be integrally formed with the second arm 102.
  • the first arm 101 and the second arm 102 are rotatable about the rotation center 1031 of the connecting shaft 103 as a rotation axis.
  • the connecting shaft 103 By changing the position of the connecting shaft 103 by sliding the connecting shaft 103 in the slide hole 1013, the distance between the jaw portion 1011 of the first arm and the jaw portion 1021 of the second arm, which will be described later, is adjusted. Is done.
  • the section of the connecting shaft 103 located in the slide hole 1013 is perpendicular to the direction in which the shaft extends is D-shaped will be described as an example.
  • the first arm 101, the second arm 102, and the connecting shaft 103 are made of a metal such as iron, for example.
  • the materials of the first arm 101, the second arm 102, and the connecting shaft 103 are not limited.
  • one or more of these may be made of a resin such as reinforced plastic.
  • the locking structure 104 is a structure for adjusting the opening width between the first jaw portion 1011 and the second jaw portion 1021 by locking the connecting shaft 103 at two or more different positions of the slide hole 1013. It is. Two or more different positions are different positions in the longitudinal direction of the slide hole 1013, for example.
  • FIG. 9 shows an example in which the connecting shaft 103 having a D-shape forms a locking structure 104.
  • the slide hole 1013 has a curved surface portion of the parallel shaft portion.
  • the connecting shaft 103 can be moved in the slide hole 1013 without being engaged with the slide recess 1041, or the curved surface portion of the parallel shaft portion is engaged with one of the slide recesses 1041 included in the slide hole 1013 so that the connection shaft The position of 103 can be fixed.
  • the number of slide recesses 1041 included in the slide hole 1013 may be two or more (preferably three or more).
  • the slide recess 1041 may be provided on both sides of the long side of the slide hole 1013.
  • the cross-sectional shape of the connecting shaft 103 may be an oval shape or the like.
  • the first opposed surface 20 and the second opposed surface which are surfaces facing each other, are provided at the distal end of the first jaw portion 1011 of the first arm 101 and the distal end of the second jaw portion 1021 of the second arm 102. 30 is provided.
  • the first facing surface 20 is provided on the first arm 101
  • the second facing surface 30 is provided on the second arm 102.
  • the tip of the first jaw portion 1011 is the first end portion 101 a of the first arm 101.
  • the tip of the second jaw portion 1021 is the first end portion 102 a of the second arm 102.
  • the tip here may be considered as the tip portion of the first jaw part 1011 and the second jaw part 1021, may be considered as the tip side, or may be considered as the vicinity of the tip.
  • An indented sandwiching surface 23 is provided at a position adjacent to the first facing surface 20 of the first jaw portion 1011. At a position adjacent to the second facing surface 30 of the second jaw portion 1021, a sandwiching surface 33 that is recessed inwardly of the second facing surface 30 is provided.
  • a pipe such as a water pipe extending in the axial direction of the connecting shaft 103 is held between the first handle portion 1012 and the second handle portion 1022, and the holding surface 23. It can be clamped by the clamping surface 33. Further, the distance between the first jaw portion 1011 and the second jaw portion 1021 can be changed by moving the connecting shaft 103 in the slide hole 1013 and locking the connecting shaft 103 at different positions by the locking structure. This makes it possible to sandwich tubes of various diameters.
  • the first facing surface 20 has a recess 21 that extends from the tip of the first jaw portion 1011 toward the direction in which the first arm 101 extends.
  • the recess 21 is provided in the center of the first facing surface 20 in a direction perpendicular to the extending direction of the first arm 101 (hereinafter referred to as the width direction).
  • the concave portion 21 is connected to the end surface 24 at the tip of the first jaw portion 1011.
  • the end face 24 at the tip of the first jaw portion 1011 is an end face located in the extending direction of the first arm 101. The same applies to the end face 34 at the tip of the second jaw portion 1021.
  • the first opposing surface 20 side of the planar shape of the end surface 24 at the tip of the jaw portion 1011 has a shape in which a portion provided with the recess 21 is recessed.
  • the concave portion 21 is provided with a plurality of ridges 22 extending from the tip of the first jaw portion 1011 toward the direction in which the first arm 101 extends.
  • a protruding line is, for example, a protruding part or a protruding part extending linearly.
  • a case where three ridges are provided is shown as an example, but the number of ridges 22 is not limited. However, the number of ridges 22 is preferably 2 or more.
  • line 22 are not ask
  • the provision of the ridge 22 means that one or more linear recesses extending in the extending direction of the first arm 101 are provided, or that the first arm 101 is in the width direction. It may be considered that unevenness is provided.
  • the ridge 22 is preferably sharp at the tip, but may not be sharp, for example, the tip may be rounded or the tip may be flat in a strip shape.
  • the bottom 22 a of the groove extending to the line adjacent to the ridge 22 is indicated by a dotted line.
  • the second facing surface 30 has a recess 31 similar to the recess 21 described above.
  • the recess 31 extends from the tip of the second jaw portion 1021 toward the direction in which the second arm 102 extends, and is provided at the center of the second facing surface 30 in the width direction of the second arm 102. Yes.
  • the concave portion 31 is connected to the end face 34 at the tip of the second jaw portion 1021.
  • the second opposing surface 30 side of the planar shape of the end surface 34 at the tip of the second jaw portion 1021 has a shape in which a portion where the concave portion 31 is provided is recessed.
  • a plurality of ridges 32 extending from the tip of the second jaw portion 1021 toward the direction in which the second arm 102 extends are provided in the recess 31.
  • line 32 since it is the same as that of the said protruding item
  • a bottom portion 32 a of the groove extending to the line adjacent to the ridge 32 is indicated by a dotted line.
  • the 1st opposing surface 20 has shown here the example which has the recessed part 21 extended toward the direction where the 1st arm 101 is extended from the front-end
  • the first facing surface 20 only needs to have a recess 21 extending from the tip of the first jaw portion 1011, and the recess 21 does not necessarily extend in the direction in which the first arm 101 extends. May be.
  • the concave portion 31 of the second facing surface 30 is shown in which the concave portion 21 is provided with a plurality of ridges 22 extending in the direction in which the first arm 101 extends.
  • the ridges 22 do not necessarily have to extend in the direction in which the first arm 101 extends. The same applies to the ridges 32 of the recesses 31.
  • the ridge 22 and the ridge 32 have a curved line passing through the tips of the ridge 22 and the ridge 32 or a line connecting the tips at the tips of the recess 21 and the recess 31. It is preferable to have a shape that matches the head of a specific screw to be clamped.
  • the concave portion of the end face 24 at the tip of the first jaw portion 1011 in the state where the opening width between the first jaw portion 1011 and the second jaw portion 1021 is the narrowest, the concave portion of the end face 24 at the tip of the first jaw portion 1011
  • tip of the recessed part 31 of the end surface 34 of the front end of the 2nd jaw part 1021 are located on the same plane is demonstrated. However, they may not be located on the same plane.
  • the opening width between the first jaw portion 1011 and the second jaw portion 1021 is, for example, the interval between the first opposing surface 20 and the second opposing surface 30, for example, on the first opposing surface 20. May be considered as a distance between the specific position and the specific position on the second facing surface 30.
  • the end face at the tip of the first jaw portion 1011 may be a flat surface, or may be a curved surface or a polyhedral shape in which the center side in the width direction is raised.
  • the portion on the first facing surface 20 side of the end surface of the tip of the first jaw portion 1011 may have a shape in which the portion of the ridge 22 in the recess 21 protrudes. The same applies to the end face of the tip of the second jaw portion 1021.
  • a plurality of ridges 25 and ridges 35 extending in the width direction are provided in a portion of the first facing surface 20 excluding the recess 21 and a portion of the second facing surface 30 excluding the recess 31.
  • a plurality of ridges 26 and ridges 36 extending in the width direction are also provided on the clamping surface 23 and the clamping surface 33.
  • the cross-sectional shape of these ridges 25, the ridges 35, the ridges 26, and the ridges 36, a number, a pitch, etc. are not ask
  • the ridges 25 and the ridges 35 may be provided at positions facing each other, or may be provided at positions not facing each other.
  • the ridges 26 and the ridges 36 may be arranged so as to be shifted by half the pitch of the ridges.
  • line 35 may be made to mesh
  • the shape of the first facing surface 20 and the second facing surface 30 may be a plane symmetric shape or a shape that is not plane symmetric.
  • the water pump plier 1 has, for example, a direction in which an opening formed by the first jaw portion 1011 and the second jaw portion 1021 extends in a direction in which the first handle portion 1012 portion of the first arm 101 extends and
  • the second arm 102 has a structure that is not parallel to the direction in which the second handle portion 1022 of the second arm 102 extends.
  • the direction of the opening formed by the first jaw portion 1011 and the second jaw portion 1021 is, for example, the center line in the width direction of the first facing surface 20 and the width of the second facing surface 30. This is the direction in which the bisector of the angle formed by the center line of the direction extends.
  • the water pump plier 1 includes a surface equidistant from the first opposing surface 20 of the first jaw portion 1011 and the second opposing surface 30 of the second jaw portion 1021, and the first arm 101.
  • the extending direction of the first handle portion 1012 and the extending direction of the second handle portion 1022 of the second arm 102 have shapes that are not parallel to each other.
  • the concave portion 21 of the first opposing surface 20 and the concave portion 31 of the second opposing surface 30 are used for clamping a screw head or the like.
  • the screw head or the like may be, for example, a pin head or a rivet head.
  • the kind of screw etc. are not ask
  • the screw hole see FIG. The head of the screw 56 can be clamped by pinching the head of the screw 56 fitted into the tip of the recess 21 and the tip of the recess 31.
  • the ridges 22 of the recesses 21 and the ridges 32 of the recesses 31 can locally apply a force to the head of the screw 56, and also serve as a slip stopper when the projection is sandwiched, Can be pinched strongly.
  • the tip of the recess 21 is the end of the recess 21 on the first end 101a side
  • the tip of the recess 31 is the end of the recess 31 on the first end 102a side.
  • At least the tip side of the ridge 22 provided in the recess 21 of the first opposing surface 20 and at least the tip side of the ridge 32 provided in the recess 31 of the second opposing surface 30 are the first jaw.
  • the protrusions are inclined so as to be separated from each other as the distance from the tip of the first jaw portion 1011 and the tip of the second jaw portion 1021 is increased.
  • the tip side of the ridge 22 is a portion of the ridge 22 on the tip side of the first jaw portion 1011.
  • the tip side of the ridge 32 is a portion of the ridge 32 on the tip side of the second jaw portion 1021.
  • the ridges are inclined so as to be separated from each other may be considered to be inclined so that the interval between the ridges 22 and the ridges 32 is widened.
  • the inclined part as described above may be only the tip side of the ridge 22 and the ridge 32, or the entire ridge 22 and the ridge 32.
  • the ridges 22 and the ridges 32 are both curved in a curved shape, and as the distance from the tips of the first jaw portion 1011 and the second jaw portion 1021 increases, the ridges 22 and the ridges 32 are once.
  • the protrusion 22 and the protrusion 32 approach each other as the distance from the tip further increases.
  • the tip side of the ridge 22 and the ridge 32 is inclined so as to be parallel with the tip of the ridge 22 and the ridge 32 sandwiching the head of a specific screw. In this case, even when the slope has an error level, it may be considered parallel.
  • a specific screw screwed into a screw hole or the like between the tip of the recess 21 of the first jaw portion 1011 and the tip of the recess 31 of the second jaw portion 1021 is formed.
  • the protrusions 22 of the recess 21 and the tips 32 of the protrusions 32 of the recess 31 are parallel to each other. 32 can pinch the screw head from the lateral direction, reducing the component of the force that pushes the screw head from the upper surface side, and making it difficult for the screw head to come off.
  • line 32 in the recessed part 31 can be increased, and it can make it difficult to slip.
  • the triangle formed by connecting the apex of the tip of the central protrusion 32 at the center of 31 and the rotation center 1031 of the connecting shaft 103 is an isosceles triangle.
  • the state where the tip side of the ridge 22 of the recess 21 and the tip 32 of the ridge 32 of the recess 31 is inclined outward, In other words, the head of the screw is sandwiched in a state where the tip side is spread outward, and the convex strip 22 of the concave portion 21 and the convex strip 32 of the concave portion 31 apply force to the screw head from an oblique direction.
  • the component of the force pushed out from the upper surface side is generated, and the stress causes the entire water pump plier 1 to move to the opposite side of the first end portion 101a and easily come off from the head of the screw.
  • the head of a screw having a size other than the head of the specific screw for example, the head is larger than the specific screw. Even when a large screw head is pinched, the screw head can be pinched in a parallel state compared to the case where it is not inclined, and the contact area can be increased. The component of the force pushed out from the upper surface side can be reduced to make it difficult for the screw head to come off.
  • the inclination angle at the front end side of the concave portion 21 and the inclination angle at the front end side of the concave portion 31 are the same angle.
  • the connecting shaft 103 is locked at the position where the opening width between the first jaw portion 1011 and the second jaw portion 1021 is the narrowest by the locking structure 104 described above.
  • the rotation center 1031 of the connecting shaft 103 is located at an equal distance from the tip of the first facing surface 20 and the tip of the second facing surface 30.
  • the opening width between the first jaw portion 1011 and the second jaw portion 1021 is, for example, when the first arm 101 and the second arm 102 are rotated about the connecting shaft 103.
  • first opposing surface 20 and the second opposing surface 30 Even if it is the distance between the first opposing surface 20 and the second opposing surface 30 when the first opposing surface 20 of the part 1011 and the second opposing surface 30 of the second jaw part 1021 are closest to each other It may be a distance when the first facing surface 20 and the second facing surface 30 are farthest apart.
  • the distance between the first facing surface 20 and the second facing surface 30 here is, for example, one point on the first facing surface 20 and a point on the second facing surface 30 facing this point.
  • the distance between the tip of the first opposing surface 20 and the tip of the second opposing surface 30 may be used.
  • the state in which the connecting shaft 103 is locked at the position where the opening width between the first jaw portion 1011 and the second jaw portion 1021 is the narrowest means that, for example, the connecting shaft 103 is positioned most at the jaw of the slide hole 1013. It is in a state of being locked at a position on the part 1011 side.
  • the tip of the first facing surface 20 is, for example, a portion located on the most tip side of the first facing surface 20, and the tip of the second facing surface 30 is, for example, the second facing surface 30. This is the part located on the most distal side.
  • the tip of the first opposing surface 20 and the tip of the second opposing surface 30 are, for example, the first opposing surface 20 that faces the first jaw part 1011 and the second jaw part 1021 in a closed state.
  • one point of the tip and the tip of the second facing surface 30 may be considered as one point of the tip and the tip of the second facing surface 30.
  • one point of the tip of the first facing surface 20 and one point of the tip of the second facing surface 30 are, for example, the ridge 22 provided at the center (the deepest position) of the recess 21.
  • the apex on the front end side and the apex on the front end side of the ridge 32 provided at the center of the concave portion 31 (the deepest position).
  • the point located in the most front end side of the 1st opposing surface 20 and the point located in the most front end side of the 2nd opposing surface 30 may be sufficient.
  • one point of the tip of the first facing surface 20, one point of the tip of the second facing surface 30, and rotation of the connecting shaft 103 A triangle formed by connecting one point on the center 1031 is an isosceles triangle whose base is the side connecting one point of the tip of the first facing surface 20 and one point of the tip of the second facing surface 30. It may be considered that the configuration is included. In this case, one point at the tip of the first facing surface 20 and one point at the tip of the second facing surface 30 are the same as described above.
  • At least a part of the first side other than the base of the isosceles triangle is a side located on the first facing surface 20, and at least a part of the second side other than the equilateral side is the second facing surface.
  • the side located on 30 is preferable.
  • the connecting shaft 103 in the state where the connecting shaft 103 is locked at the position where the opening width between the first jaw portion 1011 and the second jaw portion 1021 is the narrowest by the locking structure 104, the first facing surface
  • the connecting shaft 103 is usually extended on the extension of the shaft of the screw to be sandwiched. Since the rotation center 1031 is positioned, it is possible to intuitively perform positioning and the like when grasping the screw with reference to the position of the connecting shaft 103.
  • the distance from the rotation center 1031 of the connecting shaft 103 to the tip of the first opposing surface 20 and the distance from the rotation center 1031 of the connecting shaft 103 to the tip of the second opposing surface 30 are When the first handle portion 1012 and the second handle portion 1022 are gripped, the first jaw portion 1011 and the second jaw centered on the rotation center 1031 of the connecting shaft 103 can be used. Since the movement distance of the tip of the first facing surface 20 due to the movement with the portion 1021 and the movement distance of the tip of the second facing surface 30 can be made the same, the positioning when the screw head or the like is sandwiched Can be easily performed.
  • the tip of the first facing surface 20 and the tip of the second facing surface 30 are arranged so that the head of a screw or the like to be sandwiched between the intermediate points is located, If the first handle portion 1012 and the second handle portion 1022 are gripped, the tip end side of the protrusion 22 of the recess 21 provided on the first facing surface 20 and the recess provided on the second facing surface 30 Since the tip end side of the 31 protrusions 32 is brought into contact with both sides of the screw head or the like at the same timing, the screw head or the like can be easily sandwiched.
  • the connecting shaft 103 It may be considered that the distance from the rotation center 1031 to the tip of the first facing surface 20 is the same as the distance from the rotation center 1031 to the tip of the second facing surface 30.
  • the opening width between the first jaw portion 1011 and the second jaw portion 1021 is the narrowest due to the locking structure 104 described above.
  • the rotation center 1031 of the connecting shaft 103 is located on a surface equidistant from the first facing surface 20 and the second facing surface 30. Yes.
  • the first facing surface 20 and the second facing surface 30 are the surfaces when the recesses 21, the recesses 31, the ridges 25 and the ridges 35 provided on the respective surfaces are ignored or removed.
  • the equidistant surface is, for example, a virtual surface. This surface is usually a flat surface but may be a curved surface or the like. For example, as shown in FIG.
  • the first opposing surface 20 is positioned for convenience, the flat surface 20a where the tip of the ridge 25 is positioned, and the second opposing surface 30 is positioned for the sake of convenience, the tip of the ridge 35.
  • the rotation center 1031 of the water pump pliers 1 is positioned on the plane 60 that is equidistant from the plane 20a and the plane 30a.
  • the figure which looked at the plane 20a, the plane 30a, and the plane 60 from the side here is shown.
  • the surface equidistant from the first facing surface 20 and the second facing surface 30 is perpendicular to the first facing surface 20 and the second facing surface 30 from any point on the surface, for example.
  • the first facing surface 20 and the second facing surface 30 can be moved so that the angle formed by each normal line and the moving direction of each surface is constant.
  • the movement between the first facing surface 20 and the second facing surface 30 is easy to predict and the movement is also complicated. Therefore, it is possible to easily perform positioning and the like when pinching the screw head and the like, and to easily pinch the screw head and the like.
  • the concave portion 21 of the upper jaw portion for example, the first jaw portion 1011 in FIG. 1 of the first jaw portion 1011 and the second jaw portion 1021 may be screwed.
  • the jaw portion located on the lower side (for example, in FIG.
  • the tip of the second facing surface 30 of the jaw portion 1021) does not move to a position ahead of the tip of the first facing surface 20 in the direction parallel to the first facing surface 20, or is almost at the position ahead. Since it can be prevented from moving, the tip of the second facing surface 30 can be prevented from pushing a member or the like to which a screw head or the like is attached. It can be reduced and the head of the screw can be easily pinched It made.
  • the moving direction of the 1st opposing surface 20 and the 2nd opposing surface 30 here is the circumferential direction of the concentric circle centering on the rotation center 1031 of the connection shaft 103, for example.
  • the opening width between the first jaw portion 1011 and the second jaw portion 1021 is the narrowest due to the locking structure 104.
  • the rotation center 1031 of the connecting shaft 103 is not located on a surface equidistant from the first facing surface 20 and the second facing surface 30.
  • the jaw portion (for example, In FIG. 1, the tip of the second facing surface 30 of the second jaw portion 1021) moves to a position ahead of the tip of the first facing surface 20 in a direction parallel to the first facing surface 20. Therefore, when the tip of the second facing surface 30 pushes the member or the like to which the screw head or the like is attached, the tip end side of the first end of the water pump pliers moves, so that the screw head or the like moves.
  • the tip of the recess 21 when sandwiched The height position of the portion where the tip of the portion 31 is in contact with the screw head or the like is different, or the tip portion of the opposing surface of the lower jaw portion is not brought into contact with the side surface of the screw head or the like. There is a risk that you will not be able to fit your head properly.
  • the poor operability of the water pump pliers as shown in FIG.
  • the rotation center of the connecting shaft 93 is the opposite surface of the first jaw portion 91 and the second jaw portion 92. It is thought that this is because it is not located on a surface that is equidistant from the opposite surface.
  • the rotation center 1031 of the connecting shaft 103 is It may be considered to be located on a surface that is equidistant from the first facing surface 20 and the second facing surface 30.
  • the deviation of the degree of error here is preferably within ⁇ 3 mm, and more preferably within ⁇ 2 mm.
  • the present invention can be applied to the case of clamping an object to be clamped other than the head of the screw. Even in the case, the same effect as described above is obtained.
  • the object to be clamped other than the screw here is, for example, a rivet or a pin.
  • the screw to be grasped in the present invention may be a screw having any head shape, for example, a cylindrical shape, a truss shape, or a round shape.
  • the first handle portion 1012 and the second handle portion 1022 are connected to the second end portion 101b from the side of the first arm 101 or the second arm 102 connected by the connecting shaft 103. Or it has the shape extended linearly toward the 102b side.
  • the first handle portion 1012 and the second handle portion 1022 may have a shape other than the shape extending linearly, and may have, for example, a curved shape.
  • a removable cover member 107 is attached to the opposite side of the first handle portion 1012 where the first arm 101 and the second arm 102 face each other. Further, a detachable cover member 107 is attached to the second handle portion 1022 on the side opposite to the side where the first arm 101 and the second arm 102 face each other.
  • the side of the first arm 101 and the second arm 102 where the first arm 101 and the second arm 102 face each other may be referred to as the inside, and the opposite side may be referred to as the outside.
  • the cover member 107 attached to the first handle portion 1012 of the first arm 101 has a shape extending along the first handle portion 1012 of the first arm 101. Further, the cover member 107 attached to the second handle portion 1022 of the second arm 102 has a shape extending along the second handle portion 1022 of the second arm 102. In the following description, the case where the cover member 107 attached to the first handle portion 1012 and the second handle portion 1022 has the same shape will be described as an example. However, these may have different shapes.
  • the cover member 107 is open at both ends in the longitudinal direction. The both ends of the cover member 107 in the longitudinal direction are, for example, end portions on the first end 101b side and the second end portion 102b side of the first arm 101 or the second arm 102.
  • the cover member 107 shows an example in which a band-shaped opening 1072 extending in the longitudinal direction is provided.
  • the strip-shaped opening 1072 is provided so as to reach both ends of the cover member 107 in the longitudinal direction.
  • the strip-shaped opening 1072 is provided so as to connect between both ends of the cover member 107 in the longitudinal direction, and the strip-shaped opening 1072 is connected to the open portions at both ends.
  • the width of the opening 1072 may or may not be constant.
  • the planar shape of the opening 1072 may be a shape extending in the longitudinal direction other than the band shape.
  • the cover member 107 has a C-shaped cross section perpendicular to the longitudinal direction of the portion where the opening 1072 extending in a strip shape is provided.
  • the character-shaped interior (hereinafter referred to as C-shaped interior) 1075 is hollow.
  • the strip-shaped opening 1072 is provided so as to reach both ends in the longitudinal direction of the cover member 107, the vertical cross section in any part in the longitudinal direction has a C-shape.
  • the C-shape may be configured with a curve, may be configured with a straight line, or may be configured with a combination of a curve and a straight line.
  • a shape in which a part of the annular shape is missing may be considered as a C-shape.
  • the annular outer edge portion in this case may have any shape, and may have, for example, irregularities.
  • the shape of the outer edge portion may be a shape obtained by enlarging the shape on the C-shaped interior 1075 side, or may be a shape different from that on the C-shaped interior 1075 side.
  • the cross section of the cover member 107 has a shape in which a lower side portion is an opening in a horizontally long octagon having two opposite sides as upper and lower sides.
  • the cover member 107 has a strip-shaped opening 1072 extending in the longitudinal direction, and the opening 1072 is connected to the C-shaped interior 1075 of the cover member 107.
  • the opening 1072 is a portion corresponding to the above-described C-shaped opening.
  • the widest portion of the C-shaped interior 1075 of the cover member 107 is wider than the width of the band-shaped opening 1072.
  • the cover member 107 is attached to the first handle portion 1012 or the second handle portion 1022 and has a C-shaped cross section, it may be considered that the end surface shape has a C shape.
  • the cover member 107 has elasticity, the cross-sectional shape perpendicular to the longitudinal direction of the cover member 107 in a state where the cover member 107 is detached from the first handle portion 1012 and the second handle portion 1022 is shown in FIG.
  • the shape in a state where the C-shaped opening is in contact may be used as in the first modification shown in FIG.
  • the state where the C-shaped opening is in contact may be considered as a C-shape here.
  • this cross-sectional shape may be considered as a shape in which a linear cut is made in a part of the O-shape.
  • the cover member 107 When the cover member 107 is attached to the first handle portion 1012 or the second handle portion 1022, the C-shaped opening that is in contact with the first handle portion 1012 or the second handle portion 1022 By interposing the handle portion 1022, the cover member 107 may be in a non-contact state, and the cross-sectional shape in the longitudinal direction of the cover member 107 may be C-shaped as shown in FIG.
  • the opening 1072 has a shape extending in a band shape when attached to the first handle portion 1012 and the second handle portion 1022 and is detached from the first handle portion 1012 and the second handle portion 1022. In this state, both sides along the longitudinal direction of the cover member 107 may be in contact with each other and closed.
  • Such an opening 1072 may also be considered as a band-shaped opening 1072.
  • the cover member 107 attached to the first arm 101 has a locking surface 1071 at a portion of the first arm 101 on the second end 101b side in a state attached to the first arm 101. .
  • the cover member 107 attached to the second arm 102 has a locking surface 1071 at a portion on the second end 102b side of the second arm 102 in a state attached to the second arm 102. is doing.
  • the case where the portion of the cover member 107 on the first end 101a side (or the first end 102a side) is notched on the opening 1072 side is shown as an example. However, the cover member 107 does not need to cut out the opening 1072 side.
  • the portion where the cross-sectional shape of the cover member 107 is C-shaped is a portion excluding the notched portion.
  • the locking surface 1071 is, for example, one of end surfaces in the longitudinal direction of the cover member 107.
  • the cover member 107 has an opening on the locking surface side, and its planar shape has the same shape as the cross section shown in FIG.
  • the end surface opposite to the locking surface 1071 of the cover member 107 is also open in the same manner as the locking surface 1071.
  • the cover member 107 may not be opened.
  • the thickness of the cover member 107 may be uniform, or the thickness may change stepwise.
  • the surface shape of the cover member 107 is not limited.
  • the surface shape of the cover member 107 is preferably a shape having, for example, a groove for preventing slipping or unevenness.
  • the material of the cover member 107 of this embodiment is not limited.
  • the material of the cover member 107 is, for example, resin.
  • the material of the cover member 107 may be rubber, wood, metal, or the like.
  • the first handle 10112 of the first arm 101 fitted into the cover member 107 has a shape that can be fitted into the C-shaped interior 1075 of the cover member 107 through a band-shaped opening 1072 outside the first handle portion 1012.
  • a fitting portion 1014 is provided.
  • the second handle 1022 of the second arm 102 into which the cover member 107 is fitted has a shape that can be fitted into the C-shaped interior 1075 of the cover member 107 through a band-shaped opening 1072.
  • a second fitting portion 1024 is provided.
  • the cross-sectional shape in the longitudinal direction of the first fitting portion 1014 and the second fitting portion 1024 is, for example, a shape in which the cross-sectional shape inside the cover member 107 and the cross-sectional shape of the belt-like opening 1072 are combined.
  • the first fitting portion 1014 and the second fitting portion 1024 have, for example, a shape in which the attached cover member 107 is difficult to come off.
  • the width of the widest portion of the first fitting portion 1014 and the second fitting portion 1024 is preferably wider than the width of the band-shaped opening 1072 of the cover member 107.
  • the widths of the first fitting portion 1014 and the second fitting portion 1024 are defined in the width direction of the band-shaped opening 1072 of the cover member 107 into which the first fitting portion 1014 and the second fitting portion 1024 are fitted. The length in the corresponding direction.
  • the first fitting portion 1014 and the second fitting portion 1024 have a shape in which, for example, the wobbling or shifting is not likely to occur when the first fitting portion 1014 and the second fitting portion 1024 are fitted in the C-shaped interior 1075 of the cover member 107. It is preferable that it is a shape fitted to the C-shaped inside 1075. However, even if the surface of the first fitting portion 1014 and the second fitting portion 1024 is partially uneven, other portions are fitted, and this unevenness has little influence on the fitting of both. If not, it may be considered here that it has a fitting shape. If the cover member 107 has substantially the same shape as the C-shaped interior 1075 side of the cover member 107, even if there is a slight gap or the like in the fitted state, You may think that you are doing.
  • the portion of the first handle portion 1012 of the first arm 101 that becomes the base of the first fitting portion 1014 is a band-like shape of the cover member 107 in a state where the cover member 107 is fitted into the first handle portion 1012.
  • the opening 1072 is sandwiched between the shapes.
  • the portion of the second handle portion 1022 of the second arm 102 that becomes the base of the second fitting portion 1024 is in a state where the cover member 107 is fitted into the second handle portion 1022. It is shaped so as to be sandwiched by the band-like opening 1072. This prevents the cover member 107 having a C-shaped cross section from being rotated around the first handle portion 1012 and the second handle portion 1022 so that the workability is deteriorated. Deterioration of safety can be prevented.
  • first fitting portion 1014 and the second fitting portion 1024 are shaped to fit into the C-shaped interior 1075 of the cover member 107
  • first arm portion 1014 and the second fitting portion 1024 are fitted to the cross section of the C-shaped interior 1075 of the cover member 107 shown in FIG.
  • An example will be described in which a rail-like shape extending in the extending direction of 101 and the second arm 102 is provided.
  • the width of the first fitting portion 1014 and the second fitting portion 1024 on the connecting shaft 103 side decreases as the connecting shaft 103 is approached so as to fit the cover member 107. Inclined.
  • the cover member 107 On the second end 101b side of the first arm 101 to which the cover member 107 is attached, the cover member 107 is engaged with an engaging surface 1071 of the cover member 107 attached to the first handle portion 1012, and A first cover locking portion 1015 is provided to prevent movement toward the second end portion 101b. Similarly, on the second end portion 102b side of the second arm 102 to which the cover member 107 is attached, the cover member 107 is engaged with the engagement surface 1071 of the cover member 107 attached to the second handle portion 1022 to cover the cover. A second cover locking portion 1025 that prevents the movement of the member 107 toward the second end portion 102b is provided.
  • the cover member 107 is attached to the first handle portion 1012 or the second handle portion 1022 so that the locking surface 1071 is locked to the first cover locking portion 1015 or the second cover locking portion 1025.
  • the heights of the first cover locking portion 1015 and the second cover locking portion 1025 are preferably 2 mm or more in order to prevent the cover member 107 from shifting or falling off during operation.
  • the first cover latching portion 1015 and the second cover latching portion 1025 may be anything that can abut against at least a part of the latching surface 1071 and prevent the movement of the cover member 107.
  • the first cover locking portion 1015 and the second cover locking portion 1025 are provided on the second end 101b side of the first fitting portion 1014 and the second end portion of the second fitting portion 1024.
  • This step is a step having a raised portion on the locking surface 1071 side.
  • the first handle portion 1012 and the second handle portion 1022 are also connected to the connecting shaft 1032 side of the band-like opening 1072 at the end of the cover member 107 on the connecting shaft 1032 side. It has a first connecting shaft side cover locking portion 1016 and a second connecting shaft side cover locking portion 1026 that are in contact with adjacent surfaces. The surface adjacent to the band-shaped opening 1072 at the end of the cover member 107 on the connecting shaft 1032 side is engaged with the first connecting shaft side cover locking portion 1016 and the second connecting shaft side cover locking portion 1016, respectively. As a result, the cover member 107 is not easily moved to the connecting shaft 103 side, and the cover member 107 is prevented from shifting to the connecting shaft 103 side.
  • first handle portion 1012 and the second handle portion 1022 are recessed so that the portions on both sides of the band-shaped opening 1072 of the cover member 107 engage with both sides of the band-shaped opening 1072.
  • first cover locking portion 1015, the second cover locking portion 1025, the first connecting shaft side cover locking portion 1016, and the second connecting shaft side cover locking portion 1026 as described above are provided. Is provided. It should be noted that the height of the first connecting shaft side cover locking portion 1016 and the second connecting shaft side cover locking portion 1026 is 2 mm or more, so that the cover member 107 does not shift or fall off during operation. It is preferable in doing so.
  • the cover member 107 attached to the first arm 101 covers from the portion where the first fitting portion 1014 of the first arm 101 to which the cover member 107 is attached is opened on the locking surface 1071 side of the cover member 107.
  • the cover member 107 is attached to the first arm 101 by sliding the cover member 107 from the first end 101a side to the second end 101b side of the first arm 101 so as to be inserted into the member 107.
  • the locking surface 1071 side of the cover member 107 may be considered to be the second end 101 b side of the first arm 101 of the cover member 107.
  • the second fitting portion 1024 of the second arm 102 to which the cover member 107 is attached is opened on the locking surface 1071 side of the cover member 107.
  • the second arm 102 is moved.
  • the locking surface 1071 side of the cover member 107 may be considered to be the second end portion 102 b side of the second arm 102 of the cover member 107.
  • FIG. 6 is a perspective view (FIGS. 6A to 6C) and a side view (FIG. 6D) showing how to attach the cover member 107 to the first handle portion 1012 of the first arm 101. -FIG. 6 (f)).
  • a method of attaching the cover member 107 to the first arm 101 will be described with reference to FIG.
  • the cover member 107 is arranged so that the opening 1072 faces the first arm 101 side, and the cover member 107 has a locking surface 1071 side.
  • the cover member 107 is moved so that the connecting shaft 103 side of the first fitting portion 1014 is fitted.
  • the width of the first fitting portion 1014 on the side of the connecting shaft 103 is continuously widened toward the second end portion 101b side as described above, the fitting is easy.
  • the cover member 107 is slid from the connecting shaft 103 side toward the second end portion 101b side to cover the first fitting portion 1014.
  • the locking surface 1071 of the cover member 107 is inserted into the C-shaped interior 1075 of the member 107 sequentially.
  • the cover member 107 is slid until it is locked with one cover locking portion 1015, and the locking surface 1071 of the cover member 107 is locked to the first cover locking portion 1015 of the first arm 101.
  • the cover member 107 is attached to the first handle portion 1012 of the first arm 101. The removal can be performed by reversing this operation.
  • cover member 107 By attaching the cover member 107 as shown in the present embodiment, it is possible to improve the gripping feeling of the water pump pliers 1 and improve workability. For example, workability can be improved by attaching the cover member 107 having a thickness suitable for the size of the user's hand.
  • the first cover locking portion 1015 and the second cover locking portion 1025 that are locked with the locking surface 1071 of the cover member 107 and prevent the movement of the cover member 107 are provided.
  • the cover member 107 can be prevented from falling off from the second end side of the first arm 101 and the second arm 102.
  • the cover member 107 attached to each of the first handle portion 1012 and the second handle portion 1022 has a second end portion 101b direction and a second end portion 102b direction.
  • the cover member 107 since the cover member 107 is configured to be slid and fitted to the first arm 101 and the second arm 102, the cover member 107 is arranged in the second end 101b direction and the second arm 101b.
  • the first cover locking portion 1015 and the second cover locking portion 1025 that are locked to the locking surface 1071 of the cover member 107 are provided, so that the cover member can be slid in the direction of the end portion 102b. 107 can be prevented from shifting from the first handle portion 1012 and the second handle portion 1022 toward the second end portion 101b and the second end portion 102b.
  • the cover member 107 is configured to be slid and fitted to the first arm 101 and the second arm 102, so that the cover member 107 is separately used with a fixing member such as a screw. And the cover member 107 can be made difficult to come out of the first arm 101 and the second arm 102.
  • the cover member 107 can be attached and detached without using a fixing member such as a screw, the cover member 107 can be easily attached and detached, and the cover member 107 can be replaced or the cover member 107 can be cleaned. Etc. can be easily maintained.
  • the cover member 107 is detachable without using a fixing member such as a screw, so that the user can freely attach the cover member 107 suitable for the user, and the water pump pliers. 1 can be easily customized. Accordingly, as described above, workability can be improved by attaching the cover member 107 having a thickness suitable for the size of the user's hand. Further, when the water pump pliers 1 are shared by a plurality of users, the water pump pliers 1 can be easily customized for use by the user by replacing them with the cover member 107 suitable for the users. .
  • the first handle portion 1012 and the second handle portion 1022 to which the cover member 107 is attached have a non-slip shape in a portion exposed when the cover member 107 is removed.
  • the non-slip shape is, for example, a shape that makes it difficult to slip when the user grasps the first handle portion 1012 and the second handle portion 1022 or holds them individually.
  • the anti-slip shape is a shape provided with unevenness, for example.
  • the unevenness here may be a protrusion having a planar shape such as a circle or a rectangle, a recess, or the like, or a groove of a filament.
  • the anti-slip shape may be a shape provided with anti-slip processing used for a handle portion of a normal tool or the like.
  • FIG. 7 is a front view showing an example of a water pump plier with the first handle portion 1012 and the second handle portion 1022 having a non-slip shape, with the cover member 107 removed (FIG. 7A).
  • FIG. 7 is a rear view (FIG. 7B).
  • the anti-slip shape is a plurality of indentations 40 whose planar shape arranged outside the first handle portion 1012 and the second handle portion 1022 is a trapezoidal shape is shown.
  • this anti-slip shape is an example, and in the present invention, other anti-slip shapes may be provided.
  • the first handle portion 1012 and the second handle portion 1022 can slip.
  • the safety of the work can be improved and the work efficiency can be improved.
  • cover member 107 attached to the first arm 101 and the second arm 102 a cover member 107 having various sizes, surface shapes, and materials can be used. Further, the cover member 107 attached to the first arm 101 and the second arm 102 may be the same cover member 107 or different cover members.
  • cover member 107 may be attached to only one of them in the present invention. .
  • the cover member 107 is open at both ends in the longitudinal direction, and the strip-shaped opening 1072 is provided so as to connect between the both ends in the longitudinal direction, and is perpendicular to any part in the longitudinal direction.
  • the cover member 107 of the present invention has a band-shaped opening 1072 extending in the longitudinal direction of the cover member 107.
  • the band-shaped opening 1072 may reach at least one end of the cover member 107, and the section perpendicular to the longitudinal direction of the opening 1072 may be C-shaped.
  • the cover member 107 is attached to the first fitting portion 1014 or the second fitting portion 1024 of the first arm 101 or the second arm 102 by sliding it from the open end of the cover member 107. You can make it. That is, the band-shaped opening 1072 only needs to reach at least one end in the longitudinal direction of the cover member 107, and does not need to reach both ends.
  • the section perpendicular to the longitudinal direction of the opening 1072 may be considered as a section perpendicular to the longitudinal direction of the portion of the cover member 107 having the opening 1072.
  • the one end portion at which the opening 1072 of the cover member 107 reaches at least is, for example, the second end portion 101b or the second end portion when the cover member 107 is attached to the first arm 101 or the second arm 102. It is an end located on the end 102b side. It is preferable that at least one end where the band-shaped opening 1072 reaches is opened. Further, the open end of the cover member 107 may be the end of the cover member 107 that the band-shaped opening 1072 reaches, and reaches the end of the cover member 107 of the band-shaped opening 1072. It may be a part that is.
  • the end of the cover member 107 to which the band-shaped opening 1072 reaches is usually an end of the cover member 107 located on the second end side of the arm into which the cover member 107 is fitted.
  • the slide here is, for example, a slide performed from the first end portion side of the first arm 101 or the second arm 102 toward the second end portion side.
  • the opening portion of at least one end portion of the cover member 107 is connected to the band-shaped opening portion 1072.
  • the notched portion of the end portion may be considered as a part of the end portion.
  • FIG. 10B is a perspective view of the cover member 107 of the second modified example in which the section on the connecting shaft 1032 side of the cover member 107 has an O-shaped cross section in the longitudinal direction, as viewed from the opening 1072 side.
  • FIG. 10B is a perspective view of the cover member 107 of the second modified example in which the section on the connecting shaft 1032 side of the cover member 107 has an O-shaped cross section in the longitudinal direction, as viewed from the opening 1072 side.
  • the length of the portion 1079 in which the cross-sectional shape of the cover member 107 is not C-shaped, specifically, the portion 1079 in which the band-shaped opening 1032 is not provided is the total length of the cover member 107. It is preferable that it is 1/3 or less.
  • the first handle portion 1012 and the second handle portion 1022 in this case preferably have such a shape that the cover member 107 whose longitudinal section does not have a C shape can be fitted.
  • the first handle portion 1012 and the second handle portion 1022 do not have to have a shape that can be fitted into the entire cover member 107.
  • a band-shaped opening 1072 of the cover member 107 is provided. It suffices to have a shape that can be fitted into the portion.
  • the cover member 107 includes a portion (or a fitting portion 1024 of the second arm 102) on which the fitting portion 1014 (or the fitting portion 1024 of the second arm 102) to which the cover member 107 is attached is opened on the second end portion 101b side (or From the first end portion 101a side to the second end portion 101b side (or from the first end portion 102a side to the second end) so as to be inserted into the cover member 107 from the second end portion 102b side. Is attached to the first arm 101 or the second arm 102 by being slid (toward the end 102b side).
  • the cover member 107 detachably attached to the water pump pliers of the present embodiment may be, for example, the following cover member. That is, it has a strip-shaped opening extending in the longitudinal direction, and this strip-shaped opening reaches at least one end of the cover member, and is a cross section perpendicular to the longitudinal direction of the portion having the strip-shaped opening. Is C-shaped and can be fitted inside the cover member provided on the opposite side of the handle portion of the arm to which the cover member is attached, the first arm and the second arm facing each other. It is a cover member attached to the fitting part which has various shapes by sliding from the edge part which this cover member opened toward the 2nd edge part side from the 1st edge part side.
  • FIG. 8 is a perspective view of the wrench-shaped portion 105 (FIG. 8A), a cross-sectional view of the wrench-shaped portion 105 taken along line VIIIb-VIIIb (FIG. 8B), and a cross-section of the wrench-shaped portion 105 taken along line VIIIc-VIIIc. It is a figure (FIG.8 (c)).
  • the wrench-shaped portion 105 is provided on the second end portion 101b side of the first arm 101.
  • a wrench-shaped portion 105 is provided on a portion of the first arm 101 on the second end portion 101b side excluding the vicinity of the tip end of the second end portion 101b.
  • a wrench-shaped portion 105 may also be provided near the tip. Note that the wrench-shaped portion 105 is not necessarily provided on the entire first arm 101.
  • the wrench-shaped portion 105 has a shape in which the thickness continuously decreases toward the tip of the second end portion 101b.
  • the wrench-shaped portion 105 has a shape in which a cross section perpendicular to the extending direction of the first arm 101 is a regular hexagon.
  • the extending direction of the first arm 101 is a direction extending from the connecting shaft 103 toward the second end portion 101 b, and this direction may be considered as the longitudinal direction of the wrench-shaped portion 105.
  • the wrench-shaped portion 105 has a shape in which the cross sections perpendicular to the longitudinal direction at different positions in the longitudinal direction are regular hexagons.
  • the regular hexagon may be a regular hexagon with rounded corners.
  • FIG. 9 is a side view showing a state in which the wrench-shaped portion 105 is inserted into the first tube 50 whose opening 50a has a hexagonal plan shape (FIG. 9A), and the wrench-shaped portion on the first tube 50.
  • 9A is a cross-sectional view taken along line IXb-IXb in FIG. 9A (FIG. 9B), a cross-sectional view taken along line IXc-IXc in FIG. 9A (FIG. 9C), and an opening.
  • the side view (Drawing 9 (d)) which shows the state where wrench shape part 105 was inserted in the 2nd pipe 51 whose plane shape of part 51a is a hexagon,
  • FIG. 9A is a cross-sectional view taken along line IXe-IXe in FIG. 9A (FIG. 9E), and a cross-sectional view taken along line IXf-IXf in FIG. 9A (FIG. 9F).
  • the size of the opening 50 a of the first tube 50 is larger than the size of the opening 51 a of the second tube 51.
  • the wrench-shaped portion 105 Since the wrench-shaped portion 105 has a regular hexagonal cross-sectional shape in the longitudinal direction, the wrench-shaped portion 105 can be fitted into the opening 50a of the first tube 50 having a hexagonal planar shape. Since the hexagonal size of the cross section of the wrench-shaped portion 105 increases as the distance from the tip of the second end portion 101b increases, as shown in FIGS. 9 (a) to 9 (c), the first tube 50 is locked at a position where the hexagonal size of the cross section of the wrench-shaped portion 105 matches the size of the hexagonal opening 50a of the first tube 50.
  • the first arm 101 is rotated about an axis extending in the longitudinal direction of the wrench-shaped portion 105 and passing through the center of the opening 50a of the first tube 50, whereby the first arm 101 is rotated.
  • the tube 50 can be rotated.
  • the second tube 51 has the hexagonal size of the cross section of the wrench-shaped portion 105 decreases as it approaches the tip of the second end portion 101b.
  • the second pipe 51 having the opening 51a whose size is smaller than the opening 50a of the wrench-shaped portion 105 also has a hexagonal size in cross section.
  • the second pipe 51 is locked at a position that matches the size of the hexagonal opening 51a. Since the size of the opening 51 a of the second tube 51 is smaller than the opening 50 a of the first tube 50, the second tube 51 is more distal than the first tube 50. Lock in the side position.
  • the wrench-shaped portion 105 has a hexagonal cross-sectional shape perpendicular to the longitudinal direction, and the hexagonal size of the cross-section decreases as it approaches the tip of the second end portion 101b.
  • the planar shapes of different sizes can be inserted and fitted into openings or holes having hexagonal shapes, and can be used as hexagonal wrench of different sizes.
  • the wrench of the water pump plier 1 is instantly used.
  • the shape portion 105 can be used in place of a hexagon wrench, so that the work efficiency can be improved without the need for tool replacement or the like.
  • the wrench shape part 105 can be used instead of the hexagon wrench of various sizes, it is highly convenient. For example, it becomes possible to use the wrench-shaped portion 105 for attachment of extension sockets having various diameters.
  • the second arm 102 includes a driver shape portion 106 having a minus driver shape on the second end portion 102b side.
  • the minus driver shape is a shape whose tip is a rectangle having a predetermined thickness and width.
  • the driver shape portion 106 has a minus driver shape whose tip width is equal to or less than a threshold value.
  • the threshold value here is preferably 15 mm or less, and more preferably 12 mm or less, for example.
  • tip of the driver shape part 106 is 7 mm or more, for example.
  • driver-shaped portion 106 By providing such a driver-shaped portion 106, when a minus driver is required during construction of piping or the like using the water pump plier 1, the driver of the water pump plier 1 is immediately used.
  • the shape part 106 can be used as a minus driver, and it is not necessary to change tools, so that work efficiency can be improved.
  • the longitudinal sectional shape of the wrench-shaped portion 105 is a regular hexagon
  • the sectional shape of the wrench-shaped portion 105 is a regular n-gon ( (n is an integer greater than or equal to 3). In such a case, the same effect as described above can be obtained.
  • the case where the first arm 101 includes the wrench-shaped portion 105 and the second arm 102 includes the driver-shaped portion 106 has been described.
  • the arm 101 may be provided with a driver-shaped portion 106
  • the second arm 102 may be provided with a wrench-shaped portion 105. In such a case, the same effect as in the above embodiment is achieved.
  • both the first arm 101 and the second arm 102 may be provided with the wrench-shaped portion 105, and both the first arm 101 and the second arm 102 are wrench.
  • a shape portion 105 may be provided.
  • only one of the first arm 101 and the second arm 102 may include only one of the wrench-shaped portion 105 and the driver-shaped portion 106.
  • the first arm portion and the second arm portion of the second arm have the first jaw portion and the second jaw portion, respectively, in the extending direction of the first arm and the second arm, respectively.
  • the tip of the concave portion of the first opposing surface and the concave portion of the second opposing surface are provided. It is possible to securely clamp the object such as the head of the screw with the tip and remove the screw, and the use of the water pump pliers that can be appropriately used can be expanded.
  • the center of rotation of the connecting shaft is the first facing surface in a state where the connecting shaft is locked and the jaw is opened at the position where the opening width of the jaw portion is the narrowest by the locking structure.
  • the connection shaft is usually extended on the extension of the shaft of the screw or the like to be sandwiched. Since the center of rotation is located, refer to the position of the connecting shaft for positioning when grasping a screw or the like without looking at the tip of the first jaw portion 1011 and the tip of the second jaw portion 1021. This makes it possible to perform intuitively and improve operability. Thereby, the use which can be utilized appropriately of a water pump plier can be expanded.
  • the distance from the rotation center of the connecting shaft to the tip of the concave portion of the first opposing surface and the distance from the rotation center of the connection shaft to the tip of the concave portion of the second opposing surface can be the same distance,
  • the first facing surface 20 due to the movement of the first jaw portion 1011 and the second jaw portion 1021 around the rotation center of the connecting shaft. Since the moving distance of the tip of the recess 21 and the moving distance of the tip of the recess 31 of the second facing surface 30 can be made the same, it is possible to easily align the position of the screw head or the like. It becomes possible, and operability can be improved. Thereby, the use which can be utilized appropriately of a water pump plier can be expanded.
  • first arm 101 and the second arm 102 are rotatably connected by the connecting shaft 103
  • first arm 101 and the second arm 102 are connected to each other.
  • the first arm 101 and the second arm 102 may be connected by a connecting portion having any structure.
  • the water pump plier 1 moves the connecting shaft 103 in the slide hole 1013 and locks the connecting shaft 103 at two or more different positions of the slide hole 1013 by the locking structure 103.
  • the first arm 101 and the second arm 102 are rotatably connected to each other, and the connecting portion is connected to two holes provided in the first arm.
  • the opening width between the first jaw portion 1011 and the second jaw portion 1021 is obtained by locking at the different positions as described above and having a locking structure for adjusting the opening width between the jaw portions. In which it can be applied to any water pump pliers capable to be adjusted.
  • the water pump pliers 1 of the present invention can be inserted into and removed from the plurality of holes provided in the first arm 101 instead of having the slide hole 1013 and the connecting shaft 103 as described above. It may be a water pump plier having a locking structure constituted by a connecting portion.
  • the 1st opposing surface 20 and the 2nd opposing surface 30 have a recessed part provided with the protruding item
  • a recess may not be provided, and even in such a case, the tip of the first jaw portion 1011 and the second arm 102 as described above.
  • the screw head or the like is grasped at the tip of the second jaw portion 1021, the same effect as described above can be obtained.
  • the water pump pliers and the like according to the present invention are useful as water pump pliers and the like that can clamp screw heads and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

L'objectif de la présente invention consiste à fournir des pinces de pompe à eau grâce auxquelles il est possible d'élargir une plage d'applications d'utilisation appropriées. Ces pinces de pompe à eau sont munies d'une partie de liaison (103) liant de manière rotative un premier bras (101) et un second bras (102), et une structure de verrouillage (104) pour verrouiller la partie de liaison (103) dans au moins deux différentes positions dans un trou pour régler une largeur d'ouverture entre les parties mâchoires. Une première surface opposée (20) et une seconde surface opposée (30) sont disposées respectivement aux extrémités de pointe des parties mâchoires (1011, 1021) disposées aux premières extrémités du premier bras (101) et du second bras (102), et dans un état dans lequel la partie de liaison (103) est verrouillée à l'aide de la structure de verrouillage (104) en une position dans laquelle la largeur d'ouverture entre les parties mâchoires (1011, 1021) est la plus étroite, un centre de rotation (1031) de la partie de liaison (103) étant positionné sur un plan équidistant de la première surface opposée (20) et de la seconde surface opposée (30).
PCT/JP2018/006507 2017-03-07 2018-02-22 Pinces de pompe à eau, et élément formant couvercle WO2018163849A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-043223 2017-03-07
JP2017043223A JP6236179B1 (ja) 2017-03-07 2017-03-07 ウォーターポンププライヤ、およびカバー部材

Publications (1)

Publication Number Publication Date
WO2018163849A1 true WO2018163849A1 (fr) 2018-09-13

Family

ID=60417557

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/006507 WO2018163849A1 (fr) 2017-03-07 2018-02-22 Pinces de pompe à eau, et élément formant couvercle

Country Status (3)

Country Link
JP (1) JP6236179B1 (fr)
TW (1) TWI659810B (fr)
WO (1) WO2018163849A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2607164A (en) * 2018-11-02 2022-11-30 Snap On Incorporated Axial pliers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112238400A (zh) * 2020-11-23 2021-01-19 徐州欧百瑞智能设备有限公司 一种拔除钳

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50111697A (fr) * 1973-10-12 1975-09-02
JP2000052260A (ja) * 1998-08-03 2000-02-22 Top Kogyo Kk 水栓用プライヤ
JP2004057529A (ja) * 2002-07-30 2004-02-26 Kds:Kk カッターナイフ
JP3113220U (ja) * 2005-06-01 2005-09-02 株式会社近正 手動利器・工具の握り柄の滑止めカバーにおける抜け・剥がれ防止構造
JP2010269434A (ja) * 2009-05-25 2010-12-02 Engineer Inc プライヤー
US20120111156A1 (en) * 2010-11-01 2012-05-10 Debaker Joseph M Pliers
US8266990B1 (en) * 2006-06-19 2012-09-18 Janson Paul M Push button multi-position locking pliers
JP2017019093A (ja) * 2015-07-13 2017-01-26 メリディアン インターナショナル カンパニー リミテッド プライヤ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0616645Y2 (ja) * 1987-03-06 1994-05-02 日本理器株式会社 水栓器具用プライヤ
US4811637A (en) * 1988-05-12 1989-03-14 Mccleary Ronald T Protection device for hand wrenches
US5823077A (en) * 1995-07-10 1998-10-20 Proprietary Technologies, Inc. Double-ended wrench
JP2000225585A (ja) * 1999-02-09 2000-08-15 Hasegawa Hamono Kk 手動利器の柄部
JP3486776B2 (ja) * 2002-03-29 2004-01-13 株式会社エンジニア プライヤ
JP2005279801A (ja) * 2004-03-29 2005-10-13 Engineer Inc プライヤー
US8056451B2 (en) * 2008-07-28 2011-11-15 Irwin Industrial Tool Company Locking pliers
JP3150528U (ja) * 2009-03-03 2009-05-21 株式会社ツノダ プライヤー
JP5728655B2 (ja) * 2010-11-05 2015-06-03 パナソニックＩｐマネジメント株式会社 光導波路の製造方法
TWM433936U (en) * 2012-01-20 2012-07-21 Yi-An Chen Pliers structure
DE202013101985U1 (de) * 2013-05-07 2013-05-17 Hazet-Werk Hermann Zerver Gmbh & Co. Kg Greifzange
TWM487810U (zh) * 2014-04-30 2014-10-11 yu-xiu Cao 鉗之改良
JP5726365B1 (ja) * 2014-12-25 2015-05-27 株式会社エンジニア 挟持工具

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50111697A (fr) * 1973-10-12 1975-09-02
JP2000052260A (ja) * 1998-08-03 2000-02-22 Top Kogyo Kk 水栓用プライヤ
JP2004057529A (ja) * 2002-07-30 2004-02-26 Kds:Kk カッターナイフ
JP3113220U (ja) * 2005-06-01 2005-09-02 株式会社近正 手動利器・工具の握り柄の滑止めカバーにおける抜け・剥がれ防止構造
US8266990B1 (en) * 2006-06-19 2012-09-18 Janson Paul M Push button multi-position locking pliers
JP2010269434A (ja) * 2009-05-25 2010-12-02 Engineer Inc プライヤー
US20120111156A1 (en) * 2010-11-01 2012-05-10 Debaker Joseph M Pliers
JP2017019093A (ja) * 2015-07-13 2017-01-26 メリディアン インターナショナル カンパニー リミテッド プライヤ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2607164A (en) * 2018-11-02 2022-11-30 Snap On Incorporated Axial pliers
GB2607164B (en) * 2018-11-02 2023-06-07 Snap On Incorporated Axial pliers
US11938600B2 (en) 2018-11-02 2024-03-26 Snap-On Incorporated Axial pliers

Also Published As

Publication number Publication date
JP6236179B1 (ja) 2017-11-22
JP2018144189A (ja) 2018-09-20
TW201832876A (zh) 2018-09-16
TWI659810B (zh) 2019-05-21

Similar Documents

Publication Publication Date Title
US12179371B2 (en) Folding machete
US7748299B2 (en) Wrench with movable jaw suitable for both Metric and English systems
US7661634B2 (en) Keyed channel strut mounted connector device
US8100036B2 (en) Ratchet wrench
US4989479A (en) Plier jaws
TWI613043B (zh) 管扳鉗
TWI507276B (zh) Hand tools
US10093003B2 (en) Adjustable universal pipe fastening tool
US7610833B2 (en) Thread gripping tool
US8984990B2 (en) Lockable grip wrench
WO2018163849A1 (fr) Pinces de pompe à eau, et élément formant couvercle
US20020133910A1 (en) Device for facilitating manual gripping of pipes and connectors
TWI778227B (zh) 鉗子
EP3374131A1 (fr) Outil destiné à être utilisé avec un dispositif de fixation
US8413554B2 (en) Unidirectional ratchet wrench
US9370857B2 (en) Pipe wrench or water pump wrench
JP6236180B1 (ja) 工具、およびカバー部材
US6213140B1 (en) Hose clamp tool and method for clamping hoses of multiple size
CN116234662A (zh) 可延伸扳手
CN115122248B (zh) 轴向钳
JP4802185B2 (ja) トルク制限工具及びトルク伝達を制限する方法
US5456143A (en) Open end ratchet wrench
US11819985B1 (en) Harmonic damper pulley puller
CN212825045U (zh) 阀门扳手
US20110259073A1 (en) Hand seamer with replaceable blades

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18764390

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18764390

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载