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WO1997015761A1 - Ameliorations relatives a un element de fixation - Google Patents

Ameliorations relatives a un element de fixation Download PDF

Info

Publication number
WO1997015761A1
WO1997015761A1 PCT/SE1996/001351 SE9601351W WO9715761A1 WO 1997015761 A1 WO1997015761 A1 WO 1997015761A1 SE 9601351 W SE9601351 W SE 9601351W WO 9715761 A1 WO9715761 A1 WO 9715761A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastening element
projections
cavities
improvement
outside
Prior art date
Application number
PCT/SE1996/001351
Other languages
English (en)
Inventor
Lars Eriksson
Original Assignee
Lars Eriksson
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 Lars Eriksson filed Critical Lars Eriksson
Publication of WO1997015761A1 publication Critical patent/WO1997015761A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/08—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part
    • F16B21/084—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part with a series of flexible ribs or fins extending laterally from the shank of the stud, pin or spigot, said ribs or fins deforming predominantly in a direction parallel to the direction of insertion of the shank
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00—Fittings for furniture
    • A47B95/04—Keyplates; Ornaments or the like
    • A47B95/043—Protecting rims, buffers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/24—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using separate pins, dowels, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0008—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
    • F16B5/0024—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge the sheets, plates or panels having holes, e.g. for dowel- type connections

Definitions

  • Tne present invention relates co improvements m or relating to a fastening element, said element is sheet formed or has tne form of a pm or piug and is mtended to oe used to ⁇ oin details together, particularly icnin the joinery line of business and said fastening element s provided to cooperate witn at least one cavity at least one of the details intended to be or have been joined together.
  • the details which shall be joined together show or are provided with pre- drilled holes or milled-out slots.
  • a furniture shall be made having two vertical sides and two horisontal sides those holes provided at the top can be made vertical in the vertical sides and also in the horisontal sides in order to coincide with the first ones.
  • pins with adhesive are pushed into the holes in one of the sides.
  • the pins have a length which is longer than the depth of the holes so as to protrude a distance which is nearly the same as the depth of the hole in the other side.
  • center pins are normally made of wood in different lengths and thicknesses and are mostly round formed, viewed in section. Beech, birch or another kind of wood are used. The manufacturing is made in such a way that the wood material is cut into rounded rods. They are ornamented along their mantle surface with deformating influence on the surface fibres so that grooves are formed. Thereafter the pins are dried. The grooves are used for receiving adhesive during joining together the joineries. When the adhesive is sucked into the surface of the pins they expand and especially in the region at the grooves, whereby a better filling up of the holes is achieved at the same time as a rigid and anti-twist joint is obtained as a result. However there must not be a play between the hole and the pin, because in that way the joint will not be perfect.
  • plugs intended for joining details
  • said plugs are provided with protruding pegs, flanges and projections. All these items use the principle that the plug during insertion has protruding elements which do not fail.
  • the protruding portions will grasp the mantle surface of the hole and to give rise to a bursting effect so that the surrounding of the hole can split.
  • this grasping a deformation occurs of the mantle surface of the hole, so that before the protruding parts have hooked-up firmly against the mantle surface a small movement has already taken place and this deformation causes that the details, which are going to be joined together with the plug, will be fixed into each other with a too great play. This is not acceptable.
  • These previously known plugs must be very exact in their dimensions, in that too big grooves will easily destroy the walls of the hole.
  • fastening element which in an excellent way fulfils its purposes at the same time as it is easy and cheep to manufacture.
  • the fastening element according to the invention does not need to have an exact dimension relative to that or those cavities exsisting in at least one of the actual details which shall be joined together, in order to obtain the stability desired in the joints.
  • fastening elements can be cast in plastic, zinc, aluminium or any else suitable material, where the flanges are resilent. They shall be enough thin, since stiffer material requires thinner flanges or pegs.
  • Fig. 1 shows a fastening element in the form of a peg or plug according to a first embodiment of the invention
  • Fig. 2 shows a fastening element according to a second embodiment of the invention
  • Fig. 3 shows a schematic perspective view of how the mounting of the fastening element in the form of center pegs according to the invention looks like
  • Fig. 4 shows a schematic perspective side view in section of a third embodiment of the invention
  • Fig. 5 shows a schematic side view in section of a fourth embodiment of the invention
  • Fig. 6,6' show a side view of a fifth and sixth embodiment of the invention respectively
  • Fig. 7 shows a further embodiment according to the invention, where the fastening element is formed as a sheet element
  • Fig. 8 shows a perspective view of still a further embodiment according to the invention, where a sheet element has an angled portion at one of the parts which shall be joined together and Fig. 9,9' show a side view and an end view respectively, of an embodiment, where there are projections only on the one half.
  • the fastening element in this case in the form of a cener peg or plug l, consists of an elongated cylinder formed portion with a given length 2 and diameter 3.
  • the plug 1 is intended to be inserted into cavities 5 made in those respective details which shall be joined together.
  • the outer surface or mantle surface 4 of the plug is treated, so that different features are given to the plug 1.
  • the mantle surface 4 is provided with projections 7 arranged closely to each other, said projections can have the form of jags, lips or wings. According to the embodiment illustrated in Fig.
  • the projections of the plug 1 have the form of elongated flanges or tongue formations 8,8'. he projections 7, 8, 8' shall be able to bend when the plug l is inserted into the cavities 5. The diameter of the plug 1 must in other regions be so exact that it can be knocked into the cavities 5. A play can be accepted but the fitting must be good. However one can in this case accept some less good play than when using ordinary center taps by wood.
  • the projections 7, 8, 8' protrude a bit outside the mantle surface 4 and describe together a bigger diameter than that one which the other mantle surface delimits.
  • the projections 7, 8, 8', 10 comprise preferable of such a great number and so tightly lying elements that they do not provide such a great pressure against the mantle surface of a cavity 5 that its wall is deformated.
  • the mantle surface 4 can include at least one cavity 6, in which the projections 7, 8, 8' 10 are arranged but these can of course also be arranged directly protruding from the outside or mantle surface 4 of the fastening element 1, as illustrated in Fig. 6' .
  • the projections 7, 8, 8' and 10 are folded, which also is the case with the embodiments according to Fig. 4 and 5, when said projections abut against the walls 9 of the cavities 5. If the projections are situated in a shallow cavity 11 they are folded more than if they are placed in a deeper cavity. The flexibility against the walls of the cavities 5 will also be greater in the shallower cavity. If the projections are placed in a deeper cavity the angle will be smaller and the flexibility against the walls 9 smaller, whereby the locking play will also be greater.
  • the plug could be filled by adhesive 14.
  • An indication of fracture 15 somewhere on the mantle surface of the projections 10 can cause that the mantle surface leaks out adhesive through openings 16 during the assembling of the details 13 (Fig. 3) .
  • This can e.g. be arranged at the base portion 17 of the projections. During folding of these projections 10 ruptures at the indication of fracture 15 can cause the opening 16 so that adhesive leaks out, see Fig. 5.
  • the projections 7, 8, 8' and 10 can be serrated in the top so that they in a better way grasp the walls 9 of the cavity 5 since these often are a bit rough in the surface without that friction will arise. If the surface of the walls 9 are a bit rugged these serrations will be of special use. If stiff material is used in the projections they are made thin and the then will get a certain flexibility so that they will not cause a deformation during insertion into the cavities 5.
  • the projections 7, 8, 8' and 10 are situated in the bottom of the cavities 6 and will therefore have a predetermined length which can be adjusted to its stiffness which depends on the stiffness of the material and the thickness of the material in order to get a wanted loocking effect against the walls 9.
  • Such a plug or center tap 1 described above will be essen ⁇ tially cheeper to make than those now exsisting wood taps on the market. All problems mentioned above namely material loss, treatment, sorting, crack formations should disappear. The problems with gluing would totally disappear if one finds it satisfactory only to use plugs not filled with adhesive. If you should like to use plugs 1 filled with adhesive you would in any cases achieve a correct dose at the right place. All handling with adhesive application disappears and you can work in such a way that adhesive should not be used.
  • a fastening element in the form of a plug 1 comprises in its cavities 6 a great number of projections 8' situated after and closely to each other. Furhter the end portions of the plug 1 can be bevelled in order to inserted easier into the cavities 5 of those details 13 which will be assembled. To contain as many projections as possible in the cavities 6 they are situated in a distance from each other in the longitudinal direction of the fastening element which is smaller than three times of each material thickness of respective projection.
  • a pressure is provided against the mantle surface or the wall 9 of the cavity 5, which causes that it remains nearly undeformed at the same time as an almost play free joint between the details 13 is main ⁇ tained.
  • the embodiment illustrated in Fig. 6' is on the whole similar to that illustrated in Fig. 6 but it lacks the cavities 6.
  • the projections 8' are formed directly protruding from the outside or mantle surface 4 of the plug 1.
  • Fig. 7 an embodiment of the fastening element 1 is illustrated when it is sheet formed, in which the cavities 6 comprise one projection 8' each in the form of elongated flanges having a predetermined length and extension.
  • a T-formed fastening element 1 is illustrated in the form of e.g. an edge lining which is fixable by aid of a suitable profile around a sheet member, e.g. a particle board.
  • the sheet formed portion of the fastening element 1 having a prodruding projection 8' in a cavity 6 insertable into a cavity made in a second detail 13 after assembling of the angle formation to a first detail 13.
  • the projections function and can look like some or any of the other projections in the other figures together with the corresponding cavities 6.
  • Fig. 9 and 9' finally an embodiment of the fastening element is illustrated when it is formed with the projec ⁇ tions 8' on its one half and where the other half 20 lacks projections.
  • a fastening element is needed which is fixed by aid of its projections 8' in a cavity 5 while the other half 20 without projections can be used only to guide in the cavity 5, so that a disassembling can be done for removal.
  • All embodiments according to the invention are made so that the number of projections in the form of taps and flanges are so great and are placed so tightly that no pressure of importance bears against the walls of the mantle surface in the cavity or cavities.
  • the great number of projections also distributes the pressure against respective mantle surface of the cavity, so that only a small and preferable a permanent pressure exsists. During stresses against the center tap or plug therefore no deformation of any note arises of the material of the mantle surface.
  • the invention can be used without having the flanges or taps 7, 8, 8', 10 situated in a cavity 6, 11, 17. Anyhow these flanges or taps protrude beyond the outside or mantle surface 4 of the plug 1 in order to be bent backwards during insertion into the cavities 5. Then the flanges function as the active diameter, which guides the plug.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

L'invention concerne des améliorations relatives à un élément de fixation, qui peut avoir la forme d'une plaque, d'un tenon ou d'une cheville, et qui permet d'assembler des détails (13), notamment dans les menuiseries du commerce. L'élément de fixation est conçu de façon à coopérer avec au moins une cavité (5) dans au moins un des détails qui ont été ou vont être assemblés. La partie externe (4) de l'élément (1) comprend un grand nombre de parties saillantes (7, 8, 8', 10) situées à proximité les unes des autres dans la direction longitudinale des éléments de fixation. Une fois ceux-ci fixés dans les cavités (5), les parties saillantes exercent une pression contre la surface de la paroi de la cavité correspondante (5), ce qui empêche ladite surface de se déformer tout en maintenant entre les détails un assemblage parfaitement dépourvu de jeu.
PCT/SE1996/001351 1995-10-23 1996-10-22 Ameliorations relatives a un element de fixation WO1997015761A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9503714-9 1995-10-23
SE9503714A SE9503714D0 (sv) 1995-10-23 1995-10-23 Anordning vid ett fästelement

Publications (1)

Publication Number Publication Date
WO1997015761A1 true WO1997015761A1 (fr) 1997-05-01

Family

ID=20399921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1996/001351 WO1997015761A1 (fr) 1995-10-23 1996-10-22 Ameliorations relatives a un element de fixation

Country Status (2)

Country Link
SE (1) SE9503714D0 (fr)
WO (1) WO1997015761A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29902493U1 (de) 1999-02-12 1999-04-29 Hachtel, Friedrich, 73431 Aalen Verbindungselement
GB2333819A (en) * 1997-11-13 1999-08-04 Terence Smith A dowel pin for locking components together
FR2832603A1 (fr) * 2001-11-23 2003-05-30 Arnaud Duwicquet Taquet support de rayon ou tablette
US11221035B2 (en) * 2020-04-14 2022-01-11 Azone Co., Ltd. Connecting structure for plate members and assembly using the same
WO2023137533A1 (fr) * 2022-01-21 2023-07-27 Vieira Da Costa Gilberto Système de montage pour meubles, système de composants de meubles et cloisons

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257809A1 (en) * 1974-01-15 1975-08-08 Europatent Sa Pin for joining two parts of door frame - radial fins on the ends deform in holes to prevent pin removal
US3966339A (en) * 1975-02-21 1976-06-29 Borivoj Nemecek Fasteners
US4900210A (en) * 1989-07-19 1990-02-13 Square D Company Push in-screw out fastening system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257809A1 (en) * 1974-01-15 1975-08-08 Europatent Sa Pin for joining two parts of door frame - radial fins on the ends deform in holes to prevent pin removal
US3966339A (en) * 1975-02-21 1976-06-29 Borivoj Nemecek Fasteners
US4900210A (en) * 1989-07-19 1990-02-13 Square D Company Push in-screw out fastening system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2333819A (en) * 1997-11-13 1999-08-04 Terence Smith A dowel pin for locking components together
DE29902493U1 (de) 1999-02-12 1999-04-29 Hachtel, Friedrich, 73431 Aalen Verbindungselement
FR2832603A1 (fr) * 2001-11-23 2003-05-30 Arnaud Duwicquet Taquet support de rayon ou tablette
US11221035B2 (en) * 2020-04-14 2022-01-11 Azone Co., Ltd. Connecting structure for plate members and assembly using the same
WO2023137533A1 (fr) * 2022-01-21 2023-07-27 Vieira Da Costa Gilberto Système de montage pour meubles, système de composants de meubles et cloisons

Also Published As

Publication number Publication date
SE9503714D0 (sv) 1995-10-23

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