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WO2018003368A1 - Tronçonneuse - Google Patents

Tronçonneuse Download PDF

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Publication number
WO2018003368A1
WO2018003368A1 PCT/JP2017/019710 JP2017019710W WO2018003368A1 WO 2018003368 A1 WO2018003368 A1 WO 2018003368A1 JP 2017019710 W JP2017019710 W JP 2017019710W WO 2018003368 A1 WO2018003368 A1 WO 2018003368A1
Authority
WO
WIPO (PCT)
Prior art keywords
side cover
main body
body housing
chain
saw
Prior art date
Application number
PCT/JP2017/019710
Other languages
English (en)
Japanese (ja)
Inventor
翔平 佐々木
Original Assignee
日立工機株式会社
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 日立工機株式会社 filed Critical 日立工機株式会社
Priority to JP2018524964A priority Critical patent/JP6648829B2/ja
Publication of WO2018003368A1 publication Critical patent/WO2018003368A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/02—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/02—Chain saws equipped with guide bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/14—Arrangements for stretching the chain saw

Definitions

  • the present invention relates to a chain saw that cuts wood or the like by rotationally driving an endless chain saw using a motor or an engine as a drive source, and more particularly to an improvement in a side cover mounting structure for fixing a guide bar.
  • the chain saw uses an engine or an electric motor as a driving source to drive a loop-shaped saw chain having a sharp blade on the outer teeth.
  • the saw chain is spanned between the guide bar and the sprocket, and the rotational driving force of the drive source is transmitted through the sprocket to rotate along the outer peripheral edge of the guide bar.
  • a tension adjusting mechanism for adjusting the tension of the saw chain spanned between the guide bar and the sprocket is provided.
  • Patent Document 1 is known as such a chain saw.
  • FIG. 9 is a right side view showing the external shape of a conventional chain saw 201.
  • the chain saw 201 is driven by the engine 10 housed in the main body housing 203, and is fixed so that the guide bar 12 protrudes forward from the right side surface of the main body housing 203.
  • a saw chain (not shown) having a loop shape in which a plurality of sharp blades protrude outward at a predetermined interval is wound around the periphery of the guide bar 12, and cutting a tree or a branch by rotating the saw chain at a high speed Is possible.
  • the main body housing 203 is manufactured by integral molding of synthetic resin such as plastic, and the upper side is covered with the top cover 6.
  • a rear handle 4 is provided behind the main body housing 203 for the operator to hold.
  • a front handle 5 is provided on the upper side of the main body housing 203 for the operator to hold.
  • a trigger lever 8 for adjusting the throttle of the engine 10 is provided below the rear handle 4, and the operator can operate the trigger lever 8 by grasping the lock lever 9.
  • a spike 13 is provided on the front side of the main body housing 3 for guiding when cutting a log or the like.
  • a brake lever 7 is disposed on the front side of the left and right portions of the front handle 5 with a predetermined distance therebetween. The brake lever 7 serves as a hand guard that protects the operator's hand from being exposed to branches or cuts, and also serves as an operation lever for a brake mechanism (not shown) that immediately stops the rotation of the saw chain. .
  • a side cover 240 is provided on the right side of the main body housing 203 so as to cover a drive mechanism (described later) that rotates the saw chain.
  • the side cover 240 is fixed to the two bolts 231 and 232 extending to the right side from the main body housing 203 using nuts 33 and 34.
  • the side cover 240 is formed with two bolt holes (not visible in the figure) for allowing the bolts 231 and 232 to pass therethrough.
  • FIG. 10 (1) to 10 (3) are cross-sectional views taken along the line DD in FIG.
  • the crankshaft 11 of the engine 10 extends from the opening of the main body housing 203, and a known centrifugal clutch mechanism 20 is provided there.
  • a sprocket 24 is provided outside the clutch drum 23 of the centrifugal clutch mechanism 20, and a guide bar 12 is attached to the front side of the sprocket 24.
  • the guide bar 12 is positioned so as to be in contact with the attachment surface 203b of the main body housing 203, and is sandwiched between the holding surface 241a of the side cover 240.
  • Two bolts 231 and 232 are fixed to the right side from the main body housing 203, and the side cover 240 and the guide bar 12 are fastened together by tightening the nuts 233 and 234 from the tips of the bolts 231 and 232.
  • the head sides of the bolts 231 and 232 are cast on the synthetic resin main body housing 203 side or fixed by a known fixing method.
  • FIG. 10 (2) is a view showing a state in which the nuts 233 and 234 are completely removed from the state of (1).
  • the side cover 240 becomes removable, and the side cover 240 is removed by moving it in the direction of the arrow 250 in FIG. Can do.
  • a recessed portion 241 is formed in a portion of the side cover 240 where the nuts 233 and 234 are fixed, and bolt holes 242 and 243 for penetrating the bolts 231 and 232 are formed therein.
  • the guide bar 12 can also be detached from the main body housing 203 by moving the guide bar 12 in the direction of the arrow 250 from the state of FIG.
  • the present invention has been made in view of the above background, and an object thereof is to provide a chain saw in which a nut for fixing a side cover and a guide bar is prevented from falling off from the main body housing side. Another object of the present invention is to provide a chain saw having a side cover fixed with bolts and nuts, in which the side cover can be removed without completely removing the nuts from the bolts.
  • a saw chain a guide bar attached to the main body housing and over which the saw chain is spanned, a drive source that drives the saw chain, a sprocket that transmits rotational force from the drive source to the saw chain, and a guide
  • a chain saw that includes a part of the bar and a side cover for covering the sprocket and fixing the guide bar to the main body housing
  • the main body housing is provided with fixing means for fixing the side cover with screws
  • a through hole through which the fixing means can pass is formed.
  • a locking hole is formed to be connected to the through hole and engage with the fixing means.
  • the fixing means is passed through the through hole, and the side cover is moved in the surface direction of the guide bar to fix the fixing means. It was comprised so that it might fix in the position of a locking hole.
  • the fixing means is a bolt extending perpendicular to the side surface of the main body housing and a nut attached to the bolt, and the locking hole is directed from the through hole toward one of the radial directions. It is an oval cutout that extends and has a minor axis smaller than the two-surface width of the nut, and fixing by the fixing means is performed by tightening the nut to the bolt and sandwiching the outer periphery of the locking hole.
  • the bolt has an attachment shaft extending from the main body housing through the attachment hole of the guide bar and through the locking hole of the side cover, and after the nut is attached to the attachment shaft, the nut comes off from the attachment shaft.
  • a restricting means is provided so that the side cover can be removed from the main body housing while the nut is engaged with the bolt. Furthermore, a male screw is formed on the outer periphery of the bolt mounting shaft, a continuous groove (part having a small diameter) is formed in the vicinity of the tip, and the restricting means is fitted in the continuous groove. It consists of a retaining ring.
  • the locking hole is disposed so that the longitudinal direction is parallel to the longitudinal direction of the guide bar, and the mounting shaft is moved from the inside of the through hole to the inside of the locking hole.
  • the side cover can be moved in the longitudinal direction of the guide bar.
  • the side cover is provided with tension adjusting means for adjusting the tension of the saw chain by moving the guide bar in the front-rear direction with respect to the main body housing, and by disposing the locking hole on the rear side of the through hole. The tension on the saw chain is loosened when the side cover is removed.
  • the concave portion or the convex portion is provided in the main body housing and the side cover, and the concave portion and the convex portion are fitted when the side cover is fixed, thereby suppressing the relative movement in the front-rear direction. It was to so. Further, a brake for suppressing the rotation of the sprocket and a tension adjusting means for adjusting the tension of the saw chain are provided on the main body housing side, and the locking hole is arranged to extend forward from the through hole.
  • the present invention it is possible to easily attach and remove the side cover, and it is possible to provide a highly convenient chain saw because there is no risk of the nut falling from the bolt when the side cover is removed.
  • the nut since the nut is configured not to be detached from the bolt, the risk of licking the corner of the nut or damaging the thread of the bolt when attaching the side cover or adjusting the tension of the saw chain can be significantly reduced. Product life can be greatly improved.
  • FIG. 2 is a view for illustrating a procedure for removing a side cover from the state of FIG. 1, wherein (1) to (4) are cross-sectional views taken along a line AA in FIG. It is a side view (partial perspective view) which shows the structure of the chain saw which concerns on 2nd Example of this invention.
  • FIG. 6 is a cross-sectional view taken along a line BB in FIG.
  • FIG. 10 is a view for explaining a procedure for removing a side cover in a conventional chain saw, wherein (1) to (3) are cross-sectional views taken along a line DD in FIG. 9;
  • FIG. 1 is a right side view of a chain saw 1 according to an embodiment.
  • the side cover 40 is fixed to two bolts 31 and 32 as two attachment shafts extending from the main body housing 3 by two nuts 33 and 34.
  • it is configured so that the two nuts 33 and 34 as the second fixing member cannot be removed from the bolts 31 and 32 as the first fixing member by using a retaining ring described later in FIG.
  • bolts 31 and 32 of the side cover 40 so that the side cover 40 can be removed from the main body housing 3 with the two nuts 33 and 34 attached to the bolts 31 and 32. Changed.
  • FIG. 2 is a partially enlarged view showing the shapes of the holes 42 and 43 of the side cover 40.
  • the holes 42 and 43 are formed by large circular through holes 42a and 43a and elongated locking holes 42b and 43b extending to the rear side thereof.
  • Through holes 42a, the diameter R 1 of 43a is set to a larger circular degree with a predetermined gap than the maximum outer edge position of the nut 33, 34 (diagonal distances), the nut 33 and the through holes 42a, 43a Enabled to penetrate.
  • the locking holes 42b and 43b have a width W1 corresponding to the diameters of the bolt holes 242 and 243 in the conventional chain saw 201.
  • the locking holes 42b and 43b extend from the through holes 42a and 43a toward the rear in one radial direction, and have an oval cutout whose short diameter (width W1) is smaller than the two-surface width of the nuts 33 and 34. did.
  • the width W1 is slightly larger than the shaft diameter of the bolts 31 and 32, and is formed to be sufficiently smaller than the minimum outer edge position (two-surface width) of the nuts 33 and 34.
  • a tension adjusting mechanism 45 for adjusting the tension of the saw chain (not shown) by adjusting the position of the guide bar 12 in the front-rear direction is provided inside the side cover 40.
  • the tension adjusting mechanism 45 is a known mechanism that is also used in conventional chain saws, and a method of providing the tension adjusting mechanism 45 on the side cover 40 side and a method of providing the tension adjusting mechanism 45 on the main body housing 3 side are known.
  • the tension adjusting mechanism 45 is provided on the side cover 40 side.
  • the tension adjusting mechanism 45 includes a long screw 46 that is rotatably fixed to the side cover 40, a nut portion 47 that is fixed so that relative rotation with the side cover 40 is impossible at the end of the long screw 46, and a screw to the long screw 46.
  • the chain pulling boss 48 extends in a direction perpendicular to the longitudinal direction of the long screw 46 and perpendicular to the surface of the guide bar 12.
  • the chain pulling boss 48 is formed with a female thread portion through which the long screw 46 passes, and the head of the long screw 46 is configured to be accessible from the outside of the side cover 40.
  • the guide bar 12 is formed with a through hole for allowing the chain pulling boss 48 to pass therethrough.
  • FIG. 3 is a side view showing a state when the side cover 40 is removed from the state of FIG.
  • the side cover 40 can be moved rearward as indicated by an arrow 52.
  • the chain pulling boss 48 is also moved with respect to the main body housing 3, so that the guide bar 12 is also moved to the rear side accordingly. Since the movement of the guide bar 12 to the rear side is a movement in the direction of loosening the tension of the saw chain, this movement is easy. Therefore, the side cover 40 can be easily moved rearward without changing the adjustment state of the tension adjusting mechanism 45.
  • the side cover 40 is moved rearward as shown in FIG.
  • the rear end surface 40 b of the side cover 40 comes into contact with the front handle 5.
  • the side cover 40 is moved to the right from that state (the state of FIG. 3).
  • the side cover 40 can be removed from the main body housing 3.
  • FIG. 4 is a partial bottom view for illustrating a procedure for removing the side cover from the state of FIG. (1) is a state in which the nuts 33 and 34 are tightened at the elongated holes 42b and 43b, and the guide bar 12 is fixed, that is, a state in which work is performed with a chain saw.
  • a chain pulling boss 48 provided on the side cover 40 side is fitted in a fitting hole 12 b formed in the guide bar 12.
  • a convex protrusion 44 extending from the side cover 40 is positioned inside a concave fixing hole 3 b formed in the main body housing 3. When the convex portions are fitted, relative movement in the front-rear direction is suppressed.
  • the convex portion is formed on the side cover 40 side, and the concave portion is formed on the main body housing 3 side.
  • these are reversed to form the convex portion on the main body housing 3 side and the concave portion on the side cover 40 side.
  • You may comprise so that it may form.
  • it is not restricted only to an uneven
  • FIG. 4 (3) shows a state after the side cover 40 is moved in the direction of the arrow 52 with respect to the main body housing 3.
  • the protruding portion 44 of the side cover 40 is separated from the fixing hole 3b formed in the main body housing 3 to the rear side, that is, the state shown in FIG.
  • the nuts 33 and 34 are located in the approximate center of the through holes 42a and 43a, the side cover 40 can be removed.
  • FIG. 4 (4) shows a state where the side cover 40 is moved in the direction of the arrow 53 from this state.
  • the side cover 40 is formed with through holes (circular holes 42a and 43a) large enough to allow the bolts 31 and 32 and the nuts 33 and 34 as fixing means to pass therethrough, so that the bolts 31 and 32 remain in the nuts 33 and 34.
  • the side cover 40 can be removed from the main body housing 3 in the state (engaged state) as it is. Since the chain pulling boss 48 is provided on the side cover 40 side, the movement restriction of the guide bar 12 in the direction of the arrow 53 is released.
  • the shape of the portion of the guide bar 12 through which the nuts 33 and 34 pass is not a hole shape, but is an elongated notch-shaped bolt fixing hole formed from the rear end side to the front side in the axial direction, or the side cover 40. If the shape is equivalent to the holes 42 and 43, the guide bar 12 can be removed while the bolts 31 and 32 are engaged with the nuts 33 and 34.
  • the tension adjusting mechanism 145 by disposing the tension adjusting mechanism 145 on the main body housing 103 side, the shapes of the holes 142 and 143 of the side cover 140, particularly the arrangement of the through holes and the locking holes having a large diameter are different. Made possible.
  • the direction of movement of the side cover is reversed, and when the side cover 140 is removed, the side cover 140 is moved forward and then moved to the right. did.
  • it is important that the brake mechanism 25 that operates in conjunction with the brake lever 7 and the tension adjustment mechanism 145 are provided on the main body housing 103 side.
  • FIG. 5 is a side view showing the structure of the chain saw 101 according to the second embodiment of the present invention, and a part thereof is shown in a perspective view.
  • a centrifugal clutch mechanism 20 is provided on the right side of the main body housing 103, and a sprocket 24 is provided on the clutch drum 23.
  • a mechanical brake mechanism 25 is provided on the outer peripheral surface of the centrifugal clutch mechanism 20.
  • the brake mechanism 25 includes a brake band 26 positioned on the outer peripheral side of the clutch drum 23 and a link mechanism 27 that pulls the brake band 26. When the brake lever 7 is tilted forward, the link mechanism 27 operates to spring. The end of the brake band 26 is pulled by the force 28 and the clutch drum 23 is tightened, so that the rotation of the saw chain can be stopped.
  • the tension adjustment mechanism 145 is provided on the lower side portion of the bolts 31 and 32 on the main body housing 103 side.
  • the centrifugal clutch mechanism 20 is fixed to the outer peripheral side of the crankshaft 11 and includes a clutch drum 23 and a clutch pawl 22 that rotates together with the crankshaft 11.
  • a sprocket 24 is fixed to the clutch drum 23.
  • the clutch drum 23 and the crankshaft 11 are in a disconnected state.
  • the crankshaft 11 rotates and reaches a predetermined rotational speed or more, the outer peripheral portion of the clutch pawl 22 that swings around the swinging shaft by centrifugal force comes into contact with the inner peripheral side of the cylindrical clutch drum 23.
  • the rotational force of the crankshaft 11 is transmitted to the clutch drum 23, and the sprocket 24 fixed to the clutch drum 23 rotates.
  • the tension adjusting mechanism 145 includes a long screw 146, a chain pulling boss 148 that is screwed into the thread of the long screw 146, and a bearing 147 that pivotally supports the end of the long screw 146.
  • the chain pulling boss 148 is movable in the front-rear direction along the wall surface of the main body housing 103 by partly contacting the wall surface of the main body housing 103.
  • the long screw 146 has a thread formed on the head 146a, and is disposed so as to penetrate the holding portions 106a and 106b so as to penetrate the recessed portion 106 formed in the main body housing 3.
  • the long screw 146 can be rotated with a screwdriver from the direction of the arrow 146a, and the rotation enables the chain pulling boss 148 to move in the front-rear direction.
  • the chain pulling boss 148 engages with a round hole (not shown) formed in the guide bar 12, so that the guide bar 12 can be moved by moving the chain pulling boss 148.
  • FIG. 7 (1) is a side view of the chain saw 101 of the second embodiment, showing a state when the side cover 140 is moved and fixed to the rear side, and (1) is a side view.
  • (2) is a partial cross-sectional view of the CC section.
  • the state in which the side cover 140 is located on the rear side is a state during the operation of the chain saw.
  • some external force may be applied, such as a tree branch hitting the side cover 140, but in that case, an impact is often applied to the side cover 140 from the front side or the oblique side. Is a force to move the rearward side as indicated by an arrow 152.
  • the chain saw when the side cover 140 is moved to the rear side, the chain saw is in operation, so that there is a possibility that the side cover 140 may move even when an external force is applied to the side cover 140. Decrease significantly.
  • the shapes of the holes 142 and 143 are shapes in which the holes 42 and 43 shown in FIG. That is, the rear sides of the holes 142 and 143 are circular holes 142a and 143a having a large diameter and allowing the nuts 33 and 34 to pass therethrough.
  • FIG. 8 is a view showing a state in which the side cover 140 is moved to the front side in order to remove the side cover 140 from the state of FIG. 7, (1) is a side view, and (2) is a partial cross-sectional view of the CC section. It is. Here, the side cover 140 moves forward as indicated by an arrow 153, and the circular holes 142a and 143a of the holes 142 and 143 and the nuts 33 and 34 are in alignment. As can be seen, elongated holes 142b and 143b are formed in front of the circular holes 142a and 143a. (2) shows a state in which the nuts 33 and 34 are loosened to the maximum until they come into contact with the retaining rings (C rings) 35 and 36. In this state, since the distance between the seating surfaces of the nuts 33 and 34 and the recessed portion 141 of the side cover 140 is greatly separated, the tightening force of the side cover 140 on the guide bar 12 is eliminated. Can do.
  • C rings retaining rings
  • the moving direction when the side cover 140 is removed should be forward of the fixed position. Can do.
  • the moving direction when the side cover 140 is removed can be forward of the fixed position, or the other direction, for example, the removal of the side cover 140 can be performed.
  • the moving direction at the time may be above or below the fixed position.
  • the fixing means for fixing the side cover so as to penetrate through the through hole is not constituted by a bolt and a nut extending from the main body housing side, but a shaft portion having a male screw extending from the main body side and a resin screwed to the shaft portion You may comprise by the fastener member formed by etc.
  • a hole having a female screw may be provided on the main body side, and a bolt or the like may be inserted into the side cover 40 and the guide bar 12 and then screwed into the female screw on the main body side to be fixed.
  • a bottom plate that is formed separately from the side cover 40 and is movable in the surface direction with respect to the side cover 40 is provided on the bottom surface (the surface sandwiched by the nuts) of the hollow portion 41. It is good also as a structure.
  • a through hole having a size that allows the nuts 33 and 34 to pass therethrough is provided on the bottom surface of the recessed portion 41, and a locking hole and a through hole are provided on the bottom plate. In this case, the bottom plate is moved, and the bolts 31 and 32 are passed through both the through holes on the bottom surface and the locking holes on the bottom plate and fixed.
  • the nuts 33 and 34 are moved by moving only the bottom plate so that the through holes of the bottom plate are located at the positions of the nuts 33 and 34 without moving the entire side cover 40. It is possible to pass through both the through hole on the bottom plate and the through hole on the bottom surface, and the side cover 40 can be removed while the nuts 33 and 34 are attached to the bolts 31 and 32.
  • the locking hole may be configured to extend to the side surface of the recessed portion 41, and the through hole connected to the locking hole may be provided on the side surface of the recessed portion 41.
  • the nuts 33 and 34 can be passed through the through hole only by moving the side cover 40 up and down or front and rear, and the side cover can be removed from the main body housing.
  • the side cover can be removed from the main body housing simply by moving the side cover up and down or in the front-rear direction so that the bolt can be extracted from the edge through the locking hole.
  • tension adjusting mechanism 146 ... long screws, 146a ... head, 147 ... bearings, 148 ... chain pulling boss, 201 ... Chain saw, 203 ... Body housing, 203b ... Mounting surface, 231,232 ... Bolt, 233,234 ... Nut, 240 ... Side cover, 241 ... Dimple, 241a ... Holding surface, 242,243 ... Bolt hole

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Abstract

La présente invention concerne une tronçonneuse configurée de telle sorte que des écrous pour fixer un couvercle latéral et une barre de guidage ne soient pas délogés du côté du boîtier de corps. Une tronçonneuse 1 est pourvue d'un couvercle latéral 40, dans lequel des bagues de retenue pour retenir des écrous 33, 34 ne sont pas délogées dans la direction axiale des boulons 31, 32 sont disposés à proximité des extrémités des arbres des boulons 31, 32 s'étendant perpendiculairement à une surface latérale d'un boîtier de corps 3. Le couvercle latéral 40 est pourvu de trous traversants 42, 43 à travers lesquels l'écrou 33, 34 peut passer. Les trous traversants 42, 43 sont composés de trous ronds formés sur le côté avant et plus grands que les écrous 33, 34, et de découpes ovales s'étendant vers l'arrière depuis les trous ronds. Les écrous 33, 34 sont fixés au niveau des découpes ovales. Le couvercle latéral 40 est retiré par desserrage des écrous 33, 34 et déplacement du couvercle latéral 40 vers l'arrière et ensuite latéralement.
PCT/JP2017/019710 2016-06-27 2017-05-26 Tronçonneuse WO2018003368A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018524964A JP6648829B2 (ja) 2016-06-27 2017-05-26 チェンソー

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016126531 2016-06-27
JP2016-126531 2016-06-27

Publications (1)

Publication Number Publication Date
WO2018003368A1 true WO2018003368A1 (fr) 2018-01-04

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PCT/JP2017/019710 WO2018003368A1 (fr) 2016-06-27 2017-05-26 Tronçonneuse

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WO (1) WO2018003368A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112602483A (zh) * 2020-12-23 2021-04-06 苏州甘泰精密机械有限公司 一种锯枝机
JP2022506221A (ja) * 2018-11-06 2022-01-17 フスクバルナ アクティエボラーグ チェーンソー

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01501379A (ja) * 1986-11-25 1989-05-18 レープハン，フランツ 発動機付きチエーンソー用ハウジング
US5249362A (en) * 1990-11-13 1993-10-05 Harding Alfred F Quick release device for chain saws
JP2014042985A (ja) * 2013-12-11 2014-03-13 Husqvarna Ab 手持ち式電動工具のための取付装置
JP2015055288A (ja) * 2013-09-11 2015-03-23 株式会社やまびこ 携帯型動力作業機における締付用ナットの落ち止め構造及び締付用ナット係留部材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01501379A (ja) * 1986-11-25 1989-05-18 レープハン，フランツ 発動機付きチエーンソー用ハウジング
US5249362A (en) * 1990-11-13 1993-10-05 Harding Alfred F Quick release device for chain saws
JP2015055288A (ja) * 2013-09-11 2015-03-23 株式会社やまびこ 携帯型動力作業機における締付用ナットの落ち止め構造及び締付用ナット係留部材
JP2014042985A (ja) * 2013-12-11 2014-03-13 Husqvarna Ab 手持ち式電動工具のための取付装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022506221A (ja) * 2018-11-06 2022-01-17 フスクバルナ アクティエボラーグ チェーンソー
JP7382402B2 (ja) 2018-11-06 2023-11-16 フスクバルナ アクティエボラーグ チェーンソー
US11980956B2 (en) 2018-11-06 2024-05-14 Husqvarna Ab Chainsaw
CN112602483A (zh) * 2020-12-23 2021-04-06 苏州甘泰精密机械有限公司 一种锯枝机

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JPWO2018003368A1 (ja) 2018-12-27

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