EP0603118B1 - Clamping device - Google Patents

Clamping device Download PDF

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Publication number
EP0603118B1
EP0603118B1 EP19930810797 EP93810797A EP0603118B1 EP 0603118 B1 EP0603118 B1 EP 0603118B1 EP 19930810797 EP19930810797 EP 19930810797 EP 93810797 A EP93810797 A EP 93810797A EP 0603118 B1 EP0603118 B1 EP 0603118B1
Authority
EP
European Patent Office
Prior art keywords
rod
arm
clamping arm
guiding
clamping
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 - Lifetime
Application number
EP19930810797
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German (de)
French (fr)
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EP0603118A1 (en
Inventor
Bruno Guibelin
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0603118A1 publication Critical patent/EP0603118A1/en
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Expired - Lifetime 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
    • B25B5/00—Clamps
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • 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
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • 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
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • B25B5/102—Arrangements for positively actuating jaws using screws with at least one jaw sliding along a bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/028—Construction of casings, bodies or handles with torque reaction bars for rotary tools to be supported by a fixed object

Definitions

  • the present invention relates to a clamp device comprising a fixed clamping member, a movable clamping member and a threaded rod, rotatable, arranged to move the movable member relative to the fixed member.
  • Such devices are intended to be used in particular by a carpenter, a carpenter, a cabinet maker, a tinsmith, a decorator, a model maker and any other professional or amateur faced with the problem of maintaining or assembling two objects.
  • the invention aims to provide a simple and effective clamp device which can be used without difficulty by a single person to simultaneously carry out the three operations mentioned above.
  • the clamp device is characterized in that it comprises means for connecting said threaded rod to a rotary drive device with an electric motor which can be held and controlled with one hand, and means for preventing rotation of the clamping members relative to said drive device.
  • the device comprises a rigid frame comprising a guide rod, a fixed clamping arm and a guide arm, these arms being oriented essentially perpendicular to the guide rod, a movable clamping arm forming at one of its ends a sliding ring and having a threaded hole, the threaded rod being guided parallel to the guide rod, free to rotate, at a first end thereof in said fixed clamping arm, and in the vicinity of its second end, in said guide arm and being coupled to said movable clamping arm passing through said hole tapped, this threaded rod being provided, at its second end, with a nozzle for its connection to said rotary drive means, the arrangement being such that said movable clamping arm is made to slide along said guide rod of the armature under the effect of a rotary drive of said threaded rod, an anti-rotation rod integral with the armature being arranged to cooperate with a stop member fixed to said rotary drive means.
  • the rotary drive device is preferably an electric screwdriver or drill.
  • the device shown in FIG. 1 comprises a rigid frame, for example made of metal, comprising a guide rod 1, a fixed clamping arm 2 and a guide arm 3, these arms being arranged essentially perpendicular to the guide rod.
  • a movable clamping arm 4 can slide on the guide rod by means of a sliding ring 5 formed at one of its ends and a tapped hole 6 is formed in an intermediate part of this arm.
  • a threaded actuating rod 7 is inserted at one of its ends into a housing 14 of the arm 2 in which it can rotate freely, and it is guided in the vicinity of its other end, being able to also rotate freely in a housing 15 of the arm guide 3.
  • the rod 7 passes through the hole 6 of the movable arm 4 and a nut 16 is fixed on this rod in the vicinity of the housing 15, so as to retain the rod in its axial position.
  • the end 18 of the threaded rod is provided with a nozzle 17, for example with a hexagon.
  • This nozzle is arranged to allow the coupling of the rod 7 with a screwdriver or drill, electric or pneumatic, 10.
  • a hollow socket is preferably used with a hexagon as an intermediate piece between the end piece 17, which is introduced into the socket, and this mandrel. This solution also has the advantage of allowing the use of the drill equipped with the hollow socket for actuating several clamping devices of the present type without readjusting the mandrel.
  • FIG. 1 a rod 8 is fixed to the rigid frame parallel to the guide rod 1, so as to cooperate with a retaining ring 9 fixed on the drill or screwdriver 10.
  • FIG. 2 which represents the ring 9 in top view, shows that the latter comprises a fork-shaped part 11, through which the rod 8 will pass according to FIG. 1, thus preventing rotation of the rigid reinforcement relative to the drive device 10.
  • the rod 7 For a drive device with right rotation, the rod 7 carries a left thread and the hole 6 has a thread also on the left. Under these conditions, when the end piece 17 is fixed in the mandrel 19 and the motor of the device 10 is engaged, the clamping arm 4 is moved upwards by the rod 7, sliding by its part 5 along the guide rod 1, for achieve the desired tightening. It should be noted that the end piece 17 can incidentally be actuated manually, for example by means of a key.
  • the present device preferably comprises removable clamping heads which can be fixed on the clamping arms 2 and 4.
  • Figures 3A, 3B and 3C show an upper clamping head 20 and Figures 4A and 4B a lower clamping head 21 for objects having planar surfaces.
  • Figures 5A, 5B and 5C show an upper clamping head 22 and Figures 6A, 6B and 6C a lower clamping head 23 for objects with cylindrical surfaces, for example for pipes.
  • the upper clamping heads can be fixed to the arm 2 by means of a clamping pad, as shown in the drawing, and the lower clamping heads can be screwed to the end 12 of the movable clamping arm.
  • the clamp device according to the invention makes it easy, by holding the motor drive device in one hand, to put in place and actuate the clamp, the other hand being free to hold the parts to be assembled until tightening is achieved.

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

Description

La présente invention concerne un dispositif serre-joint comportant un organe de serrage fixe, un organe de serrage mobile et une tige filetée, rotative, agencée pour déplacer l'organe mobile par rapport à l'organe fixe.The present invention relates to a clamp device comprising a fixed clamping member, a movable clamping member and a threaded rod, rotatable, arranged to move the movable member relative to the fixed member.

De tels dispositifs sont destinés à être utilisés notamment par un menuisier, un charpentier, un ébéniste, un ferblantier, un décorateur, un maquettiste et tout autre professionnel ou amateur placé devant le problème de maintenir ou d'assembler deux objets.Such devices are intended to be used in particular by a carpenter, a carpenter, a cabinet maker, a tinsmith, a decorator, a model maker and any other professional or amateur faced with the problem of maintaining or assembling two objects.

Le problème que présentent les serre-joints connus réside dans le fait qu'une personne seule ne peut que très difficilement à la fois maintenir les objets à assembler, après les avoir positionnés l'un par rapport à l'autre, actionner le serre-joint et empêcher ce dernier de bouger lors du serrage. Ces trois opérations simultanées nécessitent ainsi souvent l'intervention d'une tierce personne.The problem with known clamps is that a single person can only very difficult both maintain the objects to be assembled, after positioning them relative to each other, operate the clamp seal and prevent it from moving during tightening. These three simultaneous operations thus often require the intervention of a third person.

L'invention vise à fournir un dispositif serre-joint simple et efficace qui puisse être utilisé sans difficulté par une personne seule pour réaliser simultanément les trois opérations susmentionnées.The invention aims to provide a simple and effective clamp device which can be used without difficulty by a single person to simultaneously carry out the three operations mentioned above.

A cet effet, le dispositif serre-joint selon l'invention est caractérisé en ce qu'il comporte des moyens pour connecter ladite tige filetée à un dispositif d'entraînement rotatif à moteur électrique pouvant être tenu et commandé d'une main, et des moyens pour empêcher la rotation des organes de serrage par rapport audit dispositif d'entraînement.To this end, the clamp device according to the invention is characterized in that it comprises means for connecting said threaded rod to a rotary drive device with an electric motor which can be held and controlled with one hand, and means for preventing rotation of the clamping members relative to said drive device.

Selon une forme d'exécution particulière, le dispositif comporte une armature rigide comprenant une tige de guidage, un bras de serrage fixe et un bras de guidage, ces bras étant orientés essentiellement perpendiculairement à la tige de guidage, un bras de serrage mobile formant à une des ses extrémités une bague coulissante et présentant un trou taraudé, la tige filetée étant guidée parallèlement à la tige de guidage, libre en rotation, à une première de ses extrémités dans ledit bras de serrage fixe, et au voisinage de sa seconde extrémité, dans ledit bras de guidage et étant couplée audit bras de serrage mobile en traversant ledit trou taraudé, cette tige filetée étant munie, à sa seconde extrémité, d'un embout pour sa connexion audit moyen d'entraînement rotatif, l'agencement étant tel que ledit bras mobile de serrage est amené à coulisser le long de ladite tige de guidage de l'armature sous l'effet d'un entraînement en rotation de ladite tige filetée, une tige anti-rotation solidaire de l'armature étant disposée pour coopérer avec un organe d'arrêt fixé sur ledit moyen d'entraînement rotatif.According to a particular embodiment, the device comprises a rigid frame comprising a guide rod, a fixed clamping arm and a guide arm, these arms being oriented essentially perpendicular to the guide rod, a movable clamping arm forming at one of its ends a sliding ring and having a threaded hole, the threaded rod being guided parallel to the guide rod, free to rotate, at a first end thereof in said fixed clamping arm, and in the vicinity of its second end, in said guide arm and being coupled to said movable clamping arm passing through said hole tapped, this threaded rod being provided, at its second end, with a nozzle for its connection to said rotary drive means, the arrangement being such that said movable clamping arm is made to slide along said guide rod of the armature under the effect of a rotary drive of said threaded rod, an anti-rotation rod integral with the armature being arranged to cooperate with a stop member fixed to said rotary drive means.

Le dispositif d'entraînement rotatif est, de préférence, une visseuse ou perceuse électrique.The rotary drive device is preferably an electric screwdriver or drill.

D'autres particularités, avantages et buts de l'invention apparaîtront à la lumière de la description donnée ci-après, à titre d'exemple, d'une forme de réalisation de l'invention illustrée dans les dessins annexés, dans lesquels :

  • La Fig. 1 est une vue latérale d'un dispositif serre-joint selon l'invention;
  • La Fig. 2 est une vue de dessus d'un dispositif d'arrêt faisant partie du dispositif de la Fig. 1;
  • Les Figures 3A, 3B et 3C sont, respectivement, des vues latérale, frontale et de dessus d'une tête de serrage supérieure pour surfaces planes;
  • Les Figures 4A et 4B sont, respectivement, des vues latérale et de dessus d'une tête de serrage inférieure pour surfaces planes;
  • Les Figures 5A, 5B et 5C sont, respectivement, des vues latérale, frontale et de dessus d'une tête de serrage supérieure pour tuyaux; et
  • Les Figures 6A, 6B et 6C sont, respectivement, des vues latérale, frontale et de dessus d'une tête de serrage inférieure pour tuyaux.
Other particularities, advantages and aims of the invention will become apparent in the light of the description given below, by way of example, of an embodiment of the invention illustrated in the appended drawings, in which:
  • Fig. 1 is a side view of a clamp device according to the invention;
  • Fig. 2 is a top view of a stop device forming part of the device of FIG. 1;
  • Figures 3A, 3B and 3C are, respectively, side, front and top views of an upper clamping head for flat surfaces;
  • Figures 4A and 4B are, respectively, side and top views of a lower clamping head for flat surfaces;
  • Figures 5A, 5B and 5C are, respectively, side, front and top views of an upper clamping head for pipes; and
  • Figures 6A, 6B and 6C are, respectively, side, front and top views of a lower clamping head for pipes.

Le dispositif représenté à la Fig. 1 comprend une armature rigide, par exemple en métal, comportant une tige de guidage 1, un bras de serrage fixe 2 et un bras de guidage 3, ces bras étant disposés essentiellement perpendiculairement à la tige de guidage. Un bras de serrage mobile 4 peut coulisser sur la tige de guidage par l'intermédiaire d'une bague coulissante 5 formée à une de ses extrémités et un trou taraudé 6 est ménagé dans une partie intermédiaire de ce bras. Une tige d'actionnement filetée 7 s'insère par une de ses extrémités dans un logement 14 du bras 2 dans lequel elle peut tourner librement, et elle est guidée au voisinage de son autre extrémité en pouvant tourner également librement dans un logement 15 du bras de guidage 3. Entre ces deux logements, la tige 7 passe dans le trou 6 du bras mobile 4 et un écrou 16 est fixé sur cette tige au voisinage du logement 15, de manière à retenir la tige dans sa position axiale. L'extrémité 18 de la tige filetée est munie d'un embout 17, par exemple à six pans. Cet embout est agencé pour permettre le couplage de la tige 7 avec une visseuse ou perceuse, électrique ou pneumatique, 10. Dans le cas d'une perceuse munie d'un mandrin 19 à mâchoires usuelles, on utilise, de préférence, une douille creuse à six pans comme pièce intermédiaire entre l'embout 17, qui est introduit dans la douille, et ce mandrin. Cette solution présente en outre l'avantage de permettre l'utilisation de la perceuse équipée de la douille creuse pour l'actionnement de plusieurs dispositifs serre-joints du présent type sans réajustement du mandrin.The device shown in FIG. 1 comprises a rigid frame, for example made of metal, comprising a guide rod 1, a fixed clamping arm 2 and a guide arm 3, these arms being arranged essentially perpendicular to the guide rod. A movable clamping arm 4 can slide on the guide rod by means of a sliding ring 5 formed at one of its ends and a tapped hole 6 is formed in an intermediate part of this arm. A threaded actuating rod 7 is inserted at one of its ends into a housing 14 of the arm 2 in which it can rotate freely, and it is guided in the vicinity of its other end, being able to also rotate freely in a housing 15 of the arm guide 3. Between these two housings, the rod 7 passes through the hole 6 of the movable arm 4 and a nut 16 is fixed on this rod in the vicinity of the housing 15, so as to retain the rod in its axial position. The end 18 of the threaded rod is provided with a nozzle 17, for example with a hexagon. This nozzle is arranged to allow the coupling of the rod 7 with a screwdriver or drill, electric or pneumatic, 10. In the case of a drill provided with a mandrel 19 with usual jaws, a hollow socket is preferably used with a hexagon as an intermediate piece between the end piece 17, which is introduced into the socket, and this mandrel. This solution also has the advantage of allowing the use of the drill equipped with the hollow socket for actuating several clamping devices of the present type without readjusting the mandrel.

Selon la Fig. 1, une tige 8 est fixée à l'armature rigide parallèlement à la tige de guidage 1, de façon à coopérer avec une bague de retenue 9 fixée sur la perceuse ou visseuse 10. La Fig. 2, qui représente la bague 9 en vue de dessus, montre que celle-ci comporte une partie en forme de fourche 11, dans laquelle passera la tige 8 selon la Fig. 1, pour empêcher ainsi la rotation de l'armature rigide par rapport au dispositif d'entraînement 10.According to FIG. 1, a rod 8 is fixed to the rigid frame parallel to the guide rod 1, so as to cooperate with a retaining ring 9 fixed on the drill or screwdriver 10. FIG. 2, which represents the ring 9 in top view, shows that the latter comprises a fork-shaped part 11, through which the rod 8 will pass according to FIG. 1, thus preventing rotation of the rigid reinforcement relative to the drive device 10.

Pour un dispositif d'entraînement à rotation droite, la tige 7 porte un filetage gauche et le trou 6 présente un taraudage également gauche. Dans ces conditions, lorsque l'embout 17 est fixé dans le mandrin 19 et que le moteur du dispositif 10 est enclenché, le bras de serrage 4 est déplacé vers le haut par la tige 7, en coulissant par sa partie 5 le long de la tige de guidage 1, pour réaliser le serrage voulu. Il est à noter que l'embout 17 peut accessoirement être actionné manuellement, par exemple au moyen d'une clé.For a drive device with right rotation, the rod 7 carries a left thread and the hole 6 has a thread also on the left. Under these conditions, when the end piece 17 is fixed in the mandrel 19 and the motor of the device 10 is engaged, the clamping arm 4 is moved upwards by the rod 7, sliding by its part 5 along the guide rod 1, for achieve the desired tightening. It should be noted that the end piece 17 can incidentally be actuated manually, for example by means of a key.

Le présent dispositif comporte, de préférence, des têtes de serrage amovibles pouvant être fixées sur les bras de serrage 2 et 4.The present device preferably comprises removable clamping heads which can be fixed on the clamping arms 2 and 4.

Les Figures 3A, 3B et 3C montrent une tête de serrage supérieure 20 et les Figures 4A et 4B une tête de serrage inférieure 21 pour des objets ayant des surfaces planes. D'autre part, les Figures 5A, 5B et 5C montrent une tête de serrage supérieure 22 et les Figures 6A, 6B et 6C une tête de serrage inférieure 23 pour des objets à surfaces cylindriques, par exemple pour des tuyaux. Les têtes de serrage supérieures peuvent être fixées sur le bras 2 au moyen d'un tampon de serrage, comme le montre le dessin, et les têtes de serrage inférieures peuvent être vissées à l'extrémité 12 du bras de serrage mobile.Figures 3A, 3B and 3C show an upper clamping head 20 and Figures 4A and 4B a lower clamping head 21 for objects having planar surfaces. On the other hand, Figures 5A, 5B and 5C show an upper clamping head 22 and Figures 6A, 6B and 6C a lower clamping head 23 for objects with cylindrical surfaces, for example for pipes. The upper clamping heads can be fixed to the arm 2 by means of a clamping pad, as shown in the drawing, and the lower clamping heads can be screwed to the end 12 of the movable clamping arm.

Il ressort de ce qui précède que le dispositif serre-joint selon l'invention permet aisément, en tenant à une main le dispositif d'entraînement à moteur, de mettre en place et d'actionner le serre-joint, l'autre main étant libre pour tenir les pièces à assembler jusqu'à ce que le serrage soit réalisé.It emerges from the above that the clamp device according to the invention makes it easy, by holding the motor drive device in one hand, to put in place and actuate the clamp, the other hand being free to hold the parts to be assembled until tightening is achieved.

Claims (5)

  1. Clamping device comprising a stationary clamping member (2), a movable clamping member (4) and a threaded rotatory rod (7) arranged for moving the movable member with respect to the stationary member, characterized in that it comprises means for linking the threaded rod (7) to a rotatory driving device (10, 19) comprising a motor which can be held and operated with one hand, and means (8, 9) for preventing the rotation of the clamping members with respect to said driving device.
  2. Device according to claim 1, characterized in that it comprises a rigid frame including a guiding rod (1), a stationary clamping arm (2) and a guiding arm (3), these arms extending essentially perpendicularly to the guiding rod, a movable clamping arm (4) forming at one of its ends a sliding ring (5) and having a threaded hole (6), the threaded rod (7) being guided parallelly to the guiding rod, free to rotate, at the first (14) of its ends in said stationary clamping arm (2), and in the vicinity of its second end (18) in said guiding arm (3), and being coupled with said movable clamping arm (4) passing through said threaded hole (6), this threaded rod being provided at its second end (18) with an end portion (17) for its linking with said rotatory driving means, the arrangement being such that said movable clamping arm is brought to slide along said guiding rod of the frame by a rotatory driving action of said threaded rod, a rotation preventing rod (8) integral with the frame being arranged to cooperate with a stop member (9) fixed on said rotatory driving means.
  3. Device according to claim 1 or claim 2, characterized in that said rotatory driving means is an electric or pneumatic screwing machine or drilling machine.
  4. Device according to claim 2, characterized in that the rotation preventing rod (8) is fixed to the guiding rod (1) and in that the stop member (9) comprises a fork (11) arranged to cooperate with this rotation preventing rod.
  5. Device according to one of the preceding claims, characterized in that it comprises removable clamping heads (20, 21, 22, 23) which can be arranged, on the one hand, on the stationary clamping arm and, on the other hand, on the movable clamping arm.
EP19930810797 1992-12-16 1993-11-17 Clamping device Expired - Lifetime EP0603118B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3842/92 1992-12-16
CH384292A CH687600A5 (en) 1992-12-16 1992-12-16 Device clamp.

Publications (2)

Publication Number Publication Date
EP0603118A1 EP0603118A1 (en) 1994-06-22
EP0603118B1 true EP0603118B1 (en) 1995-11-02

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EP19930810797 Expired - Lifetime EP0603118B1 (en) 1992-12-16 1993-11-17 Clamping device

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EP (1) EP0603118B1 (en)
CH (1) CH687600A5 (en)
DE (1) DE69300737T2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425982B (en) * 2005-05-11 2010-11-24 Robert Harland Games Sash Clamp
DE102009037024A1 (en) * 2009-08-13 2011-03-03 Jan Tegelmann Manually handled clamp
CN102528685B (en) * 2010-12-16 2014-07-02 苏州宝时得电动工具有限公司 Clamping device
CN102189513A (en) * 2011-03-23 2011-09-21 昆山若宇检具工业有限公司 Positive/negative thread positioning mechanism
FR3073238B1 (en) * 2017-11-06 2020-11-06 Soletanche Freyssinet ACCESSORY TO FACILITATE THE APPROXIMATION OF TWO FRAMES

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1411013A (en) * 1921-05-23 1922-03-28 Samuel R Gilmore Clamp
DE7315615U (en) * 1973-04-25 1973-09-20 Bessey U Sohn Screw clamp
DE2722256C3 (en) * 1977-05-17 1980-07-31 Franz 8940 Memmingen Amschler Screw clamp, which is designed to receive various accessories
US4758159A (en) * 1986-10-06 1988-07-19 Ipco Corporation Adjustable mandrel
FR2651164B1 (en) * 1989-08-31 1995-03-24 Joseph Brunner MULTIFUNCTIONAL CLAMPING HEAD.
DE9200970U1 (en) * 1992-01-28 1992-03-26 Sánchez Giraldez, José Humberto, 2112 Jesteburg Clamping device

Also Published As

Publication number Publication date
EP0603118A1 (en) 1994-06-22
CH687600A5 (en) 1997-01-15
DE69300737D1 (en) 1995-12-07
DE69300737T2 (en) 1996-06-05

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