EP0058349B1 - Outil pour déformer, presser ou pour exécuter d'autres opérations sous l'application de pression - Google Patents

Outil pour déformer, presser ou pour exécuter d'autres opérations sous l'application de pression Download PDF

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Publication number
EP0058349B1
EP0058349B1 EP82100789A EP82100789A EP0058349B1 EP 0058349 B1 EP0058349 B1 EP 0058349B1 EP 82100789 A EP82100789 A EP 82100789A EP 82100789 A EP82100789 A EP 82100789A EP 0058349 B1 EP0058349 B1 EP 0058349B1
Authority
EP
European Patent Office
Prior art keywords
tool
jaw
support rail
tool jaw
jaws
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
EP82100789A
Other languages
German (de)
English (en)
Other versions
EP0058349A2 (fr
EP0058349A3 (en
Inventor
Horst Ing. Grad. Klimach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bessey and Sohn GmbH and Co KG
Original Assignee
Bessey and Sohn GmbH and Co KG
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 Bessey and Sohn GmbH and Co KG filed Critical Bessey and Sohn GmbH and Co KG
Priority to AT82100789T priority Critical patent/ATE14852T1/de
Publication of EP0058349A2 publication Critical patent/EP0058349A2/fr
Publication of EP0058349A3 publication Critical patent/EP0058349A3/de
Application granted granted Critical
Publication of EP0058349B1 publication Critical patent/EP0058349B1/fr
Expired legal-status Critical Current

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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
    • B25B7/22—Pliers provided with auxiliary tool elements, e.g. cutting edges, nail extractors
    • 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
    • B25B7/04—Jaws adjustable

Definitions

  • the invention relates to a tool with a mounting rail and two tool jaws provided for gripping a workpiece, which lie together with the mounting rail in a common plane and of which a first tool jaw can be displaced along the mounting rail by means of a guide opening and can be fixed to the latter by tilting, while the second tool jaw can be moved back and forth to the first tool jaw by means of an actuating device.
  • Known tools of this type are all designed as clamping devices and are used exclusively to hold a workpiece - by moving the second tool jaw back and forth, the workpiece is clamped between the two tool jaws or released by them.
  • the invention has for its object to provide a tool that can be used for a variety of different operations, such as deforming, pressing, cutting or shearing or punching.
  • this object is achieved according to the invention in that, for successive machining of workpieces in successive work steps, at least one of the tool jaws is provided with a processing element and automatic adjustment means acting on the first tool jaw for displacing the first tool jaw in the direction of the second tool jaw are provided on the return stroke of the latter.
  • workpiece machining can be carried out successively by moving the adjusted tool jaw back by the same amount after each presentation of the tool jaw that can be displaced or pivoted by the actuating device, so that the tool jaw can be displaced and tilted on the mounting rail
  • Tool jaw can be adjusted by the amount of the return path of the other tool jaw along the mounting rail.
  • the workpiece held between the tool jaws is thus moved after each working movement of the one tool jaw in the direction of this tool jaw by an amount corresponding to the working movement, so that when the actuating device is actuated again, the tool jaw actuated by it during its movement in the direction of the movement is thus anew Tool rail canting the mounting rail on the workpiece is once again able to do work.
  • a position-independent infeed can advantageously be brought about by a force accumulator which constantly tries to move the tool jaw that can be moved along the mounting rail in the direction of the other tool jaw.
  • At least one of the two tool jaws expediently has a flat workpiece contact surface, which lies in a plane perpendicular to the direction of displacement of the tool jaw displaceable along the mounting rail.
  • the actuating device can be designed in various ways. It can be actuated by force, for example by a pressure medium or can be actuated electromechanically. In its simplest design, the actuating device is designed for manual operation, it being advantageous if a handle extending in the transverse direction is arranged on the mounting rail and the tool jaw, which can be actuated by the actuating device, is arranged pivotably about a pivot axis which is perpendicular to the Pivot axis and support rail extending parallel to the pivot plane of the tool jaw is provided.
  • the pivotable tool jaw can advantageously be mounted with two lateral bearing legs on the end pieces of the pivot axis protruding laterally from the mounting rail and be part of a lever handle which forms a toggle lever, in which case a second lever handle can then be firmly arranged on the mounting rail.
  • Long-lasting storage of the pivotable tool jaw on the mounting rail can be achieved in a simple manner in that the pivot axis forms a bearing shaft which is connected in a rotationally fixed manner to the mounting legs and is rotatably mounted in the mounting rail.
  • the adjustment force to be generated by the toggle lever can be changed continuously by varying the adjustment path of the pivotable tool jaw if the toggle lever is supported with its one lever end on an adjustable and lockable abutment.
  • one of the two tool jaws can have a workpiece contact surface, which can optionally be equipped with corresponding edges or steps.
  • the tool is advantageously designed in such a way that a punch, in particular in the form of a sleeve with a circular cylindrical cross section, is arranged on the tool jaw opposite the flat workpiece contact surface, wherein the tool jaw carrying the punch can be designed such that the punch is removed from it is removable, so with the same work Workpieces can optionally be deformed, pressed or punched out.
  • the two tool jaws can each have a cylindrical recess on mutually facing flat sides, which are aligned with one another, wherein the recess can form an insertion hole for inserting a pin to be driven into a workpiece.
  • These cylindrical recesses can be provided in interchangeable jaw inserts in order to expand the application area of the tool.
  • a further improved design of the tool provides for the design of a tool jaw in such a way that additional tool parts such as punch punches, pin inserts or cutting blades can optionally be attached to it. If the tool jaw is equipped with a cutting blade, it is possible to use the tool, for example, to cut or notch wooden strips, such as base strips, with a miter. It is possible to cut such strips flat or upright. The tool is therefore also a useful tool for painters and decorators.
  • the flat workpiece contact surface of the one tool jaw contains bores in which a workpiece stop bar, preferably at several angles to the cutting plane, can be fixed.
  • the tool can also be used as pruning shears, whereby it also allows tree branches of relatively large diameter to be cut successively and with relatively little effort.
  • the tool can also be used as cable scissors for multi-core insulated cables, as hose scissors for plastic and rubber hoses and as scissors for elastic profiles and plates made of rubber and foam, whereby it is easily possible, for example, profiles or rubber plates, if the carrier rail is of a suitable length Cut 80 to 100 mm thick.
  • the tool for shaping and pressing When using the tool for shaping and pressing, it practically forms a small press, with the help of which, for example, flanged, bent, can be folded. It is also possible to use the rivets with their help, to press in pins as already mentioned and to unpin pinned parts.
  • the scissors-forming tool shown in FIG. 1 has two tool bodies 10, 12, which are arranged in a common plane and form support legs, which have been referred to above as tool jaws and of which the upper one is displaceable on a support rail 14 and can be fixed by tilting.
  • the same has a guide piece 16 which is penetrated by a guide opening 18 for receiving the guide rail 14.
  • This guide opening has mutually parallel narrow guide surfaces 20, 22 which abut the mutually opposite longitudinal edges 24, 26 of the mounting rail.
  • the two guide surfaces 20, 22 are each delimited by two transverse edges 28, 30 and 32, 34, the transverse edge 30 of the guide surface 20 and the transverse edge 32 of the guide surface 22 tilting to fix the support leg 10 on the support rail as soon as through the support leg 12 A pressure is exerted on the support leg 10 via a workpiece which is present between the two support legs and which is to be severed.
  • the distance a of the opposite transverse edges 30, 32 causing the canting of the mounting leg 10 is smaller than the distance b of the other, the guide surfaces 20, 22 of the guide opening 18 delimiting transverse edges 28, 34.
  • the tiltable transverse edge 30 on the side of the tool mouth formed by the support legs is at a greater distance from the adjacent support leg 12. The smaller distance a between the transverse edges 30, 32 ensures the secure tilting of the tool body 10.
  • the tool body 12 which also forms a support leg, is articulated to the lower end of the support rail 14 according to FIG.
  • the tool body is formed by a sheet metal part which has two lateral bearing legs 38, 40, in which a bearing shaft 42 is held in a rotationally fixed manner.
  • the bearing shaft 42 accordingly rotates in a bearing bore of the mounting rail 14, whereby a robust bearing is achieved by avoiding the generally relatively thin-walled bearing legs 38, 40 of the tool body 12 when the scissors are actuated a fixed pivot axis can be pivoted and, due to the small wall thickness of the bearing legs and the inevitable high surface pressure at high working pressures, the bearing holes can be expanded.
  • a handle 44 is also rigidly arranged, which extends perpendicularly from the mounting rail in the plane of the tool bodies 10, 12 away from the latter.
  • This handle is also formed by a sheet metal part which is U-shaped in cross section, the U legs 46, 48 of which are penetrated by the bearing shaft 42. The U-legs are positively pressed with the mounting rail. You can also be welded with this in some areas.
  • a manually operable lever gear which has a lever handle 52 which is part of a toggle lever, the lever of which is labeled 54 and 56 and the knee joint of 58.
  • the toggle lever can be handled with the lever handle 52.
  • 60 denotes a trigger lever known per se, which is articulated at 62 on the lever handle and has a trigger cam 64 in order to be able to push the knee joint 58 out of a dead center position for releasing the tool.
  • the lever handle 52 is articulated at 66 on the tool body 12.
  • 68 denotes a tension spring which is anchored between the articulation points 42, 66 of the tool body 12 and on the handle 44 at 70. This tension spring tries to keep the tool body 12 relative to the handle 44 in a position that is necessary to release a workpiece inserted between the tool bodies 10, 12.
  • the tool body 12 forming a support leg carries on its side facing the tool body 10 a flat workpiece support plate 72, the workpiece support surface of which is located in a plane perpendicular to the support rail 14.
  • This plate widens towards the rear and on this widened part two pairs of insertion holes 74, 76 are provided in its workpiece support surface, which lie in mutually perpendicular planes cc and dd, which in turn are arranged at 45 ° to the plane in which the tool body and the handle.
  • a cuboid stop bar 78 shown in FIG. 4 with corresponding insertion pins 80, 82 can be inserted into the insertion holes provided in pairs.
  • Workpieces to be machined can thus be defined in the tool body 12, for example for miter cutting at 45 ° to the cutting plane e-e.
  • the tool body 10 has on its free end piece a cutting edge 84 facing the tool body 12, which is formed on a cutting blade 86, which in turn, as can be seen from FIG. 3, can be exchanged between two clamping jaws 88, 90 provided on the guide piece 16 by means of a clamping screw 92 is held.
  • the cutting edge is located in the parting plane e-e, a slot-shaped recess 93 extending over its length being assigned to it in the workpiece support plate 72 in order to avoid contact of the cutting edge 84 with the plate 72.
  • the tool body 10 is under the influence of a force accumulator, which tries to move it constantly on the mounting rail 14 in the direction of the tool body 12.
  • this energy store is formed by a tension spring, preferably in the form of a rubber strand 94, which is anchored to a pin 96 provided on the front of the guide piece 16 and approximately parallel to the mounting rail according to FIG. 1 down to one in the bearing legs 38 , 40 of the tool body 12 held deflection pin 98 and from there, through the bearing legs, according to FIG. 1, diagonally upwards and backwards to an anchoring pin 100 held in the U-legs 46, 48 of the handle.
  • the tool body 12 is pivoted back into its starting position in the opposite direction, the tool body 10 now being readjusted in the direction of the tool body 12 by the amount of rubber by the amount by which the workpiece support plate 72 is reset. This means that the two Tool body maintain their relative position to the cable unchanged when pivoting the tool body 12 into its starting position.
  • the attachment 36 of the tool body 10 can be slightly raised with the thumb and this can be released on the mounting rail.
  • Figures 5 and 6 show a tool used as a punch for punching elastic materials, such as rubber or foam, even with extreme thicknesses.
  • the tool body 10 is equipped at its free end with a preferably preferably interchangeably arranged cylindrical punch 108 which is able to dip into a cylindrical sleeve 107 provided on the tool body 12.
  • the latter is arranged in a receiving bore 112 in the tool body.
  • FIG. 6 shows the arrangement of the punch 108 on an insert 114 which is arranged interchangeably in the tool body 10.
  • only a hollow punch 107 could be provided on the tool body 12.
  • FIGS. 7 and 8 show an exemplary embodiment of a tool which is converted or designed for driving cylindrical pins 116 into bores of workpieces 118.
  • a pin insertion bore 120 in the tool body 12 the depth of which is shallow
  • a pin receiving bore 122 is provided in the tool body 10 in alignment with this bore and is correspondingly deep.
  • a cutting blade 130 or 132 is preferably interchangeably fastened to both tool bodies such that their cutting edges 134 and 136 move past one another directly when the scissors are closed.
  • the cutting blade 132 or the support arm of the tool body 12 according to FIG. 1 can also be pulled down relatively far, so that the cutting edge 136 or the lower workpiece support surface comes so far under the bearing of the tool body in question that, for example, continuous separating cuts into a dash-dotted line indicated sheet metal plate 106 can be introduced.
  • the tool body can be designed in such a way that the described work can optionally be carried out using the tool.
  • the arrangement of a processing tool on the tool body 10 offers the possibility of a tool change that can be carried out at short notice, in which the tool body can be exchanged for a tool body equipped with another processing tool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Massaging Devices (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Claims (20)

1. Outil comportant un rail de support (14) et deux mâchoires (10, 12) pour la préhension de pièces à usiner, qui sont situées dans un plan commun avec le rail de support (14) et dont une première mâchoires (10) est mobile le long du rail de support (14) grâce à une ouverture de guidage (18) et peut être immobilisée sur ce dernier par blocage, cependant que la deuxième mâchoire (12) est alternativement mobile vers l'avant ou l'arrière sur la première mâchoire (10) au moyen d'un dispositif de manoeuvre (50), caractérisé en ce que pour l'usinage successif de pièces à usiner par différentes opérations d'usinage consécutives l'une au moins des mâchoires d'outillage (10,12) est munie d'un élément d'usinage (84, 86) et des moyens de réglage (94) automatiques partant de la première mâchoire sont prévus pour le déplacement de la première mâchoire (10) vers la deuxième mâchoire (12) lors du recul de cette dernière.
2. Outil selon la revendication 1, caractérisé en ce qu'une poignée (44) est fixée sur le rail de support (14) et s'en éloigne perpendiculairement.
3. Outil selon la revendication 2, caractérisé en ce que la poignée (44) est montée dans le plan des mâchoires (10, 12).
4. Outil selon les revendications 1 à 3, caractérisé en ce que l'une au moins des deux mâchoires (10, 12) comporte une surface plane de support de pièces à usiner, qui est située dans un plan perpendiculaire à la direction de déplacement de la mâchoire (10) mobile le long du rail de support (14).
5. Outil selon l'une des revendications précédentes, caractérisé par un accumulateur d'énergie (94) qui tend constamment à repousser la mâchoire (10) mobile le long du rail de support (14) en direction de l'autre mâchoire (12).
6. Outil selon la revendication 5, caractérisé en ce que l'accumulateur d'énergie est formé par un ressort de traction conçu en particulier comme une corde en caoutchouc (94).
7. Outil selon la revendication 6, caractérisé en ce que, le ressort de traction (94) s'étend sur une partie dans l'ensemble parallèlement à la direction longitudinale du rail de support (14) et est fixé à une certaine distance en arrière d'un point de renvoi (98) en particulier sur la poignée (44), le point de renvoi (98) étant prévu à un endroit qui, lorsque les deux mâchoires (10, 12) reposent l'une sur l'autre, se trouve à une certaine distance de la mâchoire (10) mobile sur le rail de support (14).
8. Outil selon l'une des revendications précédentes, caractérisé en ce que le dispositif de manoeuvre (50) est commandé par agent de pression.
9. Outil selon l'une des revendications précédentes, caractérisé en ce que la mâchoire manœu- vrable par le dispositif de manoeuvre est monté mobile en va-et-vient sur le rail de support.
10. Outil selon l'une des revendications précédentes 1 à 8, caractérisé en ce que la mâchoire (12) manoeuvrable par le dispositif de manoeuvre (50) est montée pivotante autour d'un axe de pivotement (42) fixé sur le rail de support (14) qui est perpendiculaire à l'axe de pivotement et parallèle au plan de pivotement de la mâchoire.
11. Outil selon la revendication 10, caractérisé en ce que la mâchoire pivotante (12) comportant deux ailes d'appui latérales (38, 40) est supportée sur les extrémités de l'axe de rotation (42) qui sortent latéralement du rail de support (14) et fait partie d'une poignée levier (52) qui forme une genouillère et en ce qu'une deuxième poignée (44) est fixée de manière fixe sur le rail de support (14).
12. Outil selon la revendication 11, caractérisé en ce que le ressort de traction (94) s'étend par sa partie pratiquement paralléle au rail de support (14) entre les ailes d'appui (38,40) de la mâchoire rotative (12) et change de direction entre celle-ci.
13. Outil selon l'une des revendications précédentes, caractérisé en ce que la mâchoire (10) mobile le long du rail de support (14) comporte pour sa manoeuvre, une saillie (36) qui s'étend par rapport au rail de support (14) dans la direction opposée à la partie de cette mâchoire de serrage qui sert au maintien d'une pièce à usiner.
14. Outil selon l'une des revendications précédente, caractérisé en ce que, dans la direction du guidage de la mâchoire mobile (10), l'écartement entre les arêtes transversales (30, 32) blocable sur les bords (24, 26) opposés du rail de support (14) d'une ouverture de guidage (18) de la mâchoire (10) blocage sur le rail de support (14) est inférieur à celui des autres arêtes transversales (28, 34) limitant l'ouverture de guidage, l'arête de blocable (30) présente du côté du bec d'outil formé par les mâchoires (10, 12) étant la plus éloignée de la mâchoire (12) voisine.
15. Outil selon l'une des revendications précédentes 4 à 14, caractérisé en ce qu'un poinçon (108) présentant en particulier la forme d'une douille à section cylindrique est monté sur la mâchoire (10) opposée à la mâchoire (12) présentant une surface de support de pièces à usiner.
16. Outil selon l'une des revendications précédentes 1 à 14, caractérisé en ce que les deux mâchoires (10, 12) comportent sur des côtés plats se faisant face chacune un évidement cylindrique (120, 122) qui est aligné avec l'autre évidement, l'un des évidements (120) formant un trou d'introduction pour une goupille (116) à introduire dans une pièce à usiner (118).
17. Outil selon l'une des revendications précédentes 1 à 14, caractérisé en ce que l'une au moins des mâchoires plus particuliérement celle (10) qui est guidée de manière mobile sur le rail de support (14), forme un bord coupant (84).
18. Outil selon la revendication 17, caractérisé en ce qu'une garniture en matériau relativement souple ou un évidement (93) de la surface de support de pièce à usiner est ajouté au bord coupant (84) sur la mâchoire d'outillage (12) comportant une surface plane de support de pièces à usiner.
19. Outil selon la revendication 18, caractérisé en ce que la surface porte pièces à usiner, plane, comporte des alésages (74, 76) dans lesquels une butée de pièces à usiner (78) peut être fixée de préférence sous plusieurs angles par rapport au plan de coupe (e-e).
20. Outil selon l'une des revendications précédentes 16, à 18, caractérisé en ce que le bord cou- pant (84) fait partie d'une lame de coupe (86) qui est monté sur la mâchoire (10) de manière interchangeable.
EP82100789A 1981-02-13 1982-02-04 Outil pour déformer, presser ou pour exécuter d'autres opérations sous l'application de pression Expired EP0058349B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82100789T ATE14852T1 (de) 1981-02-13 1982-02-04 Werkzeug zum verformen, druecken oder zur durchfuehrung anderer arbeitsgaenge unter anwendung von druck.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813105262 DE3105262A1 (de) 1981-02-13 1981-02-13 Werkzeug zum verformen, druecken oder zur durchfuehrung anderer arbeitsgaenge unter anwendung von druck
DE3105262 1981-02-13

Publications (3)

Publication Number Publication Date
EP0058349A2 EP0058349A2 (fr) 1982-08-25
EP0058349A3 EP0058349A3 (en) 1983-02-16
EP0058349B1 true EP0058349B1 (fr) 1985-08-14

Family

ID=6124803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82100789A Expired EP0058349B1 (fr) 1981-02-13 1982-02-04 Outil pour déformer, presser ou pour exécuter d'autres opérations sous l'application de pression

Country Status (3)

Country Link
EP (1) EP0058349B1 (fr)
AT (1) ATE14852T1 (fr)
DE (2) DE3105262A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535238B1 (fr) * 1982-10-29 1985-11-08 Roux Outillage E Pince-etau a grande capacite d'ecartement
DE3244136A1 (de) * 1982-11-29 1984-05-30 Reiner 3570 Stadtallendorf Rommel Spannzange mit veraenderbarer spannweite ihres zangenmaules
DE3401472A1 (de) * 1984-01-18 1985-07-18 Bessey & Sohn GmbH & Co, 7120 Bietigheim-Bissingen Feststellschieber zum einstellen des spannbackenabstands eines spannwerkzeugs, insbesondere einer gripzange
SE9300822D0 (sv) * 1993-03-12 1993-03-12 Fast Industriprodukter Handels Handverktyg
DE19646785C1 (de) * 1996-11-13 1998-03-05 Gerd Stuckenbrok Handsickenzange mit auswechselbarem Gesenk
CN114161484A (zh) * 2021-10-21 2022-03-11 何章义 一种具有夹持功能的剪刀

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7900077U1 (de) * 1979-01-03 1980-03-20 Bessey & Sohn Gmbh & Co, 7000 Stuttgart Spannzange

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US1349225A (en) * 1919-03-27 1920-08-10 Henry I Rosenblum Clamp device
US2555133A (en) * 1948-04-01 1951-05-29 Bevan G Horstmann Hand perforating or like tool primarily for puncturing cattle ears
US2947275A (en) * 1957-07-15 1960-08-02 Kinzy M Edmonds Clamp
US2923334A (en) * 1958-06-17 1960-02-02 Jr Charles M Brennan Straight beam clamp with an adjustable self-locking jaw
US2973792A (en) * 1958-07-21 1961-03-07 William A Fonken General utility clamp means
US3517874A (en) * 1968-01-18 1970-06-30 Clifford E Cressy Fastener attachment
US3825990A (en) * 1972-07-26 1974-07-30 D Shields Scalpel implement
DE2413816A1 (de) * 1974-03-22 1975-10-02 Wolfgang Baumann Schraubzwinge
GB1551033A (en) * 1976-07-09 1979-08-22 Wilkinson Sword Ltd Hand tools
DE2806555A1 (de) * 1978-02-16 1979-08-30 Bessey & Sohn Spannzange
CA1106655A (fr) * 1978-05-24 1981-08-11 Werner W. Martinmaas Cle a rochet a reglage rapide

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7900077U1 (de) * 1979-01-03 1980-03-20 Bessey & Sohn Gmbh & Co, 7000 Stuttgart Spannzange

Also Published As

Publication number Publication date
EP0058349A2 (fr) 1982-08-25
DE3265322D1 (en) 1985-09-19
EP0058349A3 (en) 1983-02-16
ATE14852T1 (de) 1985-08-15
DE3105262A1 (de) 1982-09-02

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