EP0803331A1 - Dispositif de serrage à genouillère pour la construction en carrosserie - Google Patents

Dispositif de serrage à genouillère pour la construction en carrosserie Download PDF

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Publication number
EP0803331A1
EP0803331A1 EP97104333A EP97104333A EP0803331A1 EP 0803331 A1 EP0803331 A1 EP 0803331A1 EP 97104333 A EP97104333 A EP 97104333A EP 97104333 A EP97104333 A EP 97104333A EP 0803331 A1 EP0803331 A1 EP 0803331A1
Authority
EP
European Patent Office
Prior art keywords
toggle lever
piston rod
longitudinal axis
switches
slot
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.)
Granted
Application number
EP97104333A
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German (de)
English (en)
Other versions
EP0803331B1 (fr
Inventor
Josef-Gerhard Tünkers
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.)
Tuenkers Maschinenbau GmbH
Original Assignee
Tuenkers Maschinenbau GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7792358&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0803331(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tuenkers Maschinenbau GmbH filed Critical Tuenkers Maschinenbau GmbH
Publication of EP0803331A1 publication Critical patent/EP0803331A1/fr
Application granted granted Critical
Publication of EP0803331B1 publication Critical patent/EP0803331B1/fr
Anticipated expiration legal-status Critical
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
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B25B5/122—Arrangements for positively actuating jaws using toggle links with fluid drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S269/00—Work holders
    • Y10S269/903—Work holder for electrical circuit assemblages or wiring systems

Definitions

  • the invention relates to a toggle lever clamping device for the body shop with a rectangular in a cross-section perpendicular to the longitudinal axis of the piston rod cross-section, which is constructed from two housing parts, and with an axially extending to the cylinder-side end of the clamping head, in which an alternating on both sides by means of pressure medium pressure, in particular by air pressure to be acted upon pistons, which are guided in a longitudinally displaceable and sealing manner and which axially engages through the cylinder and a cavity of the clamping head with its piston rod, with a toggle joint arrangement which is coupled to a clamping arm being attached to the free end of the piston rod, with limit switches or Position sensors in the form of microswitches, inductive switches, pneumatic switches or sensors which are integrated in a space of the clamping head, the switches being adjustable relative to one another and forming the cover for the same on one end bracket as an overall interchangeable query cassette in the form of a circuit board in the area of a slot are arranged and fastened in the
  • Such a toggle lever tensioning device is the subject of DE 93 11 132.0 U1, which goes back to the applicant, and of European patent application 0 636 449 (94 105 296.1-2302) with the same content.
  • no slot is provided, while in the embodiment according to FIG. 8 the cassette is attached from the side.
  • a clamping device for clamping workpieces consisting of a fork-shaped head piece, on which the clamping arm is pivotally mounted, which is connected to the end of a movable actuating rod of the device drive, in the travel range of the end the control rod are arranged next to this limit switch and at the end of the control rod the bearing pin for Guide rollers of the actuating rod is extended and forms the position transmitter, which protrudes into an elongated hole extending parallel to the actuating rod in the arrangement area of the end position sensors, the head piece on an outer flank of one of its fork parts with a flat, open towards the travel range of the end of the actuating rod and outwards Recesses is provided, the at least one end position interrogation switch provided with two end position sensors being arranged in the outwardly open recess and the recess with the end position interrogation switch arranged therein being closed by a cover plate which is detachably arranged on the head piece.
  • From DE-U-90 16 781.3 is a tensioning device with adjustment unit, tension arm, end position interrogation devices and drive actuating rod with which the tensioning arm can be pivoted directly or indirectly between end positions predetermined by the end position query elements, previously known.
  • the end position interrogation elements are arranged in a separate housing, releasably connected to the tensioning device, next to an axially guided and adjustable, with position transmitter sensor rod in this housing, which extends parallel to a housing connection surface and protrudes with its upper end from the housing, between and Position rod is arranged with the upper end and the adjusting rod axially fixed driver crossbar.
  • the end position interrogation elements are arranged adjustable in the housing in relation to the position transmitter.
  • This tensioning device is pivotally mounted with a tensioning arm in a fork-like head piece arranged on the drive unit.
  • the housing is arranged on the clamping arm side or the side of the device remote from the clamping arm with its housing connection surface, the driver cross-bar extending from the guide rod between the fork parts of the head piece to the adjusting rod.
  • a longitudinal slot is arranged laterally and parallel to the adjusting rod, and the housing is arranged on the longitudinal slot side of the device, the driver traverse extending between the upper end of the sensor rod and the adjusting rod extending through extends the longitudinal slot.
  • the control rod and the tension arm can be rotated by the drive unit at the same time and moved in the axial direction.
  • the housing is arranged on one of the two sides of the device which are remote from the pivoting range, the driver crossbar being rotatably connected to the actuating rod and / or the tensioning arm.
  • the connecting rod end of the driver crossbar on the actuating rod side is designed like a fork.
  • a toggle lever clamping device for clamping workpieces, in particular body parts, consisting of a pressure cylinder with a double-acting piston and piston rod, is known, the end of which is provided with a head piece which is guided in a guide piece axially attached to the cylinder and via a hinged intermediate member movably connected to a tension lever mounted on the guide piece on a lateral swivel joint and supported by a flat guide on the guide piece, this flat guide lying in a plane parallel to a plane through the piston rod axis and on the plane facing away from the swivel joint of the tension lever Side is arranged.
  • the flat guide is located on an inner surface of the swivel joint opposite to the maximum distance from the piston rod axis Guide piece arranged.
  • a stroke limiting actuator is arranged in the vicinity of the flat guide.
  • the invention has for its object to provide a toggle lever clamping device of the type required in the generic term in such a way that it can be attached not only from the rear but also from all four sides to device parts, while maintaining the advantages known from cassette technology.
  • the query cassette is inserted from the rear of the tensioner housing through a narrow, slit-shaped recess inserted into the housing.
  • the query cassette is therefore only narrow and contains the sensors, the connectors that are wired together and any fastening nuts or screws.
  • the interrogation cassette is inserted from the rear into a slot-shaped recess in the housing, the mounting option located there can be fully used, ie the toggle lever clamping device can also be attached from this side.
  • the toggle lever clamping device can thus also be attached from the back or consoles, brackets etc. located there can be screwed on.
  • any limit switches, microswitches, inductive switches, sensors or the like are arranged in an adjustable manner in order to set different opening angles, strokes or the like.
  • This cassette technology is very easy to service, because by loosening just one screw, for example, the complete interrogation cassette with switches and plugs, which are completely wired, can be replaced.
  • Completely interchangeable query cassettes can thus be kept in stock, which can be exchanged in a few simple steps. This means that only short downtimes are to be expected should it be necessary to replace the query cassette.
  • the interrogation cassette has an approximately L-shaped shape in a section made orthogonal to the longitudinal axis of the piston rod, on the end of which a shape is orthogonal to the longitudinal axis of the L "running flange connects in one piece, with which the query cassette, covering the slot-shaped recess of the housing, is screwed to the housing.
  • the rail of the query cassette extends in the longitudinal axis direction of the piston rod, that is to say runs parallel to the latter.
  • the limit switches, microswitches, inductive switches or sensors are arranged in a variable position and are damped by a switching flag assigned to the piston rod, that is to say they are swept over when the piston rod is displaced and thereby trigger the various sequential controls.
  • Claim 4 describes a further advantageous embodiment of the invention.
  • a toggle lever clamping device in a device, for example for the body shop of the motor vehicle industry, requires a precise procedure to ensure that the clamping force is also guaranteed after the clamping arm has been set up.
  • a screw is screwed in except for the block in the delivery state of the toggle lever tensioning device.
  • the tab of the toggle lever tensioning device is at an angle of approximately 12 degrees.
  • the pressure piece has been attached to the clamping arm, this screw is unscrewed, up to the end stop.
  • the toggle lever clamping device can then be moved to the dead center position by pressure medium pressure, for example by pneumatic pressure, as a result of which the full clamping force is applied.
  • the toggle lever tensioning device can also be released from this over-dead center position by screwing in, if necessary, in order to enable manual opening or retraction of the toggle lever tensioning device.
  • the screw thus serves to set up the tensioning device and to achieve the tensioning force and also to release the toggle lever tensioning device from the dead center or over dead center position ( claim 5 ).
  • a threaded plug is provided, which is set as a further end stop of the toggle joint.
  • the toggle lever joint moves against a stop, in the present case against a threaded plug, to thereby bring the tensioning arm into a play-free and absolutely fixed position.
  • the threaded plug is adjustable from the outside and is therefore easy to assemble in order to compensate for any tolerances of the joint parts.
  • the reference numeral 1 designates a clamping head, to which a cylinder 2 is axially connected.
  • the cylinder 2 is delimited at the end facing the clamping head 1 by a cover 3 and on its opposite end by a bottom cover 4 in a pressure-tight manner.
  • the piston rod 7 passes through a bore 8 in the cover 3 and is sealed with a seal 9 in a pressure-tight manner.
  • the piston rod 7 extends axially through the clamping head 1 and is connected at its end to a toggle joint arrangement 10, which is assigned a clamping arm (not described in more detail).
  • the clamping arm is arranged in the direction A or B by a certain opening angle about a housing-fixed axis 11 in the clamping head 1.
  • the opening angle can be obtuse.
  • the clamping head 1 has a housing which, in the embodiment shown, consists of two shell-shaped housing parts 12 and 13 (FIG. 2), which lie on top of one another in a sandwich-like and gap-free manner and thus the piston rod 7, the toggle joint arrangement 10 and all others between the housing parts 12 and Encapsulate 13 objects in a dirt and moisture-proof manner.
  • the housing parts 12 and 13 are separated from one another by a rectilinear dividing plane 14 (FIG. 2), so that the housing parts 12 and 13 lie flat on one another through walls 15 and 16 and are detachably connected to one another by screws (not described in more detail). If necessary, sealing elements can also be assigned to the walls (not shown).
  • the housing parts 12 and 13 are closed on all sides and each have an approximately semicircular recess on one side (not shown), which thus complement one another through which the piston rod 7 extends into the space delimited by the housing parts 12 and 13 17 protrudes.
  • the toggle joint arrangement 10 is also arranged in this space 17. The end of the piston rod 7 located within the space 17 and the toggle joint arrangement 10 are thus sealed against dirt, dust and spray liquid outwards.
  • the two shell-shaped housing parts 12 and 13 each have an orthogonally penetrating bore (not shown) through which the axis 11 passes. Instead, however, the axis 11 can also be supported in the form of the relevant housing part 12 or 13, which does not penetrate to the outside. Furthermore, the two shell-shaped housing parts 12 and 13 have guide grooves (not shown).
  • the guide grooves can be of the same design and the housing parts 12 and 13 correspond to one another in the assembled state, in such a way that the toggle joint arrangement 10 is guided with associated components in the longitudinal axis direction.
  • the housing parts 12 and 13 have holes for screws, not shown, by means of which the housing parts 12 and 13 can be screwed together in a joint-tight manner.
  • the bores of one housing part can be designed as through bores, while the associated bores of the other housing part arranged coaxially thereto are then blind bores with threads. By screwing in bolts, not shown, the housing parts 12 and 13 can thereby be detachably but tightly connected to one another.
  • the housing parts 12 and 13 can be made of steel or aluminum or from another suitable workpiece, for example also from an injection molding material, consist.
  • the walls 15, 16 can be of high quality at the parting plane 14, for example ground or cast with an appropriate surface quality, so that they lie snugly and tightly on top of each other.
  • the toggle joint arrangement 10 can be assigned fork arms (not shown), the ends of which are arranged on end sections of the axis 11 which are square or polygonal in cross section.
  • a retaining tab can be provided which engages against the fork-shaped end of the associated fork arm and engages around the end sections of the pivot pin with form-fitting recesses and is connected to the fork arm in question by screws (likewise not shown).
  • a screw-on part can also be assigned to the fork arm, which is arranged centrally or eccentrically with respect to the fork arm.
  • the housing of the clamping head 1 is rectangular in a cross section that is guided orthogonally to the longitudinal axis 18 of the piston rod 7.
  • the housing can be namely on the opposite sides of the rectangle optionally on device parts, for example in the body shop of the automotive industry, attached, for example screwed.
  • This query cassette 20 essentially consists of a cross section L-shaped profile 21, which is guided orthogonally to the longitudinal axis 18 of the piston rod 7, which is designed as a mounting rail and has two switches 22 and 23 arranged at a distance from one another, which are used as microswitches, inductive switches, Limit switches or pneumatic switches can be formed and are arranged to be adjustable and lockable in the longitudinal axis direction of the L-profile 21, depending on the desired operating conditions.
  • switches 22 and 23 are fastened to the web of the L-profile 21 running parallel to the parting plane 14, while the cross-web 24 running orthogonally to this is arranged in the slot 19 and seals this off as joint-tight as possible from the outside and thus the space 17 also closes to the outside here.
  • the crosspiece 24 extends over the length Y (FIG. 1) of the slot 19.
  • a flange 25 is suitably connected in one piece, which in the present case has two through bores 26 (FIG. 5) for arranging the feeders 27 and 28 for electrical cables 29 and 30, respectively, which are connected to the switches 22 and 23 are connected.
  • the flange 25 has a through hole 31 through which a screw (not shown) extends, by means of which the query cassette 20 is exchangeably fastened to the L-profile 21.
  • Several bores and thus several screws can also be provided (not shown).
  • a switching lug 32 is connected to the piston rod 7, which is arranged at a gap distance from the switches 22 and 23 and dampens them during the reciprocating movement of the piston rod 7 and thereby triggers switching functions.
  • the query cassette 20 with the L-shaped profile 21 comes to lie within the contours of the housing, so that it does not interfere with the outside. Only the feeders 27 and 28 protrude beyond the projection.
  • the flange 25 is also arranged on the outside of the housing 1. As a result, however, it is also possible to mount the toggle lever tensioning device on any side of the device on this side, ie from the rear.
  • the toggle lever clamping device can optionally be attached from four sides and thus fastened.
  • the query cassette 20 is thus inserted and fastened from the rear of the housing into the slot 19 and does not interfere in any way, so that the toggle lever tensioning device - as mentioned - can also be fastened from this rear.
  • the cassette technology is therefore service-friendly, since the complete interrogation cassette 20 with switches and plugs, completely wired in itself, can be replaced by loosening just one screw.
  • the end stop of the toggle joint arrangement 10 is set with the threaded plug 33.
  • the toggle joint arrangement 10 moves against the threaded plug 33 in order to thereby bring the tensioning arm into a play-free and absolutely fixed position.
  • this threaded plug 33 is adjustable from the outside and is therefore easy to install and service, in order to be able to compensate for tolerances in the joint parts of the toggle joint arrangement 10.
  • the reference numeral 34 denotes an adjusting screw which is also accessible from the outside.
  • the installation of a toggle lever tensioning device of the design shown requires a precise procedure to ensure that the tensioning force is actually guaranteed after the tensioning arm has been set up.
  • the adjusting screw 34 is screwed in as far as the block, ie completely, when it leaves the manufacturing plant. Due to this screw position, the tab of the toggle joint arrangement 10 is at an angle of approximately 12 degrees. Now that the pressure piece has been attached to the clamping arm, which later acts on the workpiece, the adjusting screw 34 is unscrewed to a further end stop.
  • the toggle lever tensioning device can now be moved into the over dead center position by the corresponding pressure medium application of the piston 6, that is to say apply its maximum tensioning force.
  • the toggle lever tensioning device can be easily released from its over-dead center position by screwing in the adjusting screw 34 in order to enable the tensioner to be opened or retracted manually.
  • the adjusting screw 34 is also used to set up the clamping arm and to achieve the clamping force.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Clamps And Clips (AREA)
  • Mechanical Control Devices (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
EP97104333A 1996-04-25 1997-03-14 Dispositif de serrage à genouillère pour la construction en carrosserie Expired - Lifetime EP0803331B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19616441A DE19616441C1 (de) 1996-04-25 1996-04-25 Kniehebelspannvorrichtung für den Karosseriebau
DE19616441 1996-04-25

Publications (2)

Publication Number Publication Date
EP0803331A1 true EP0803331A1 (fr) 1997-10-29
EP0803331B1 EP0803331B1 (fr) 1999-08-04

Family

ID=7792358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104333A Expired - Lifetime EP0803331B1 (fr) 1996-04-25 1997-03-14 Dispositif de serrage à genouillère pour la construction en carrosserie

Country Status (4)

Country Link
US (1) US5845897A (fr)
EP (1) EP0803331B1 (fr)
DE (1) DE19616441C1 (fr)
ES (1) ES2135962T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780324A1 (fr) * 1998-06-26 1999-12-31 Genus Technologies Dispositif de positionnement, de maintien ou de serrage
US6189877B1 (en) 1998-06-26 2001-02-20 Genus Technologies Device for positioning, holding or gripping
US6814349B2 (en) 2002-09-10 2004-11-09 Univer S.P.A. Clamping device with manual control lever
EP1524081A2 (fr) 2003-10-16 2005-04-20 VEP Automation S.r.l. Unité de contrôle pour contrôler la position en fin de course d'un bras de serrage rotatif d'un dispositif de serrage à leviers articulés
DE102013107661A1 (de) * 2013-07-18 2015-01-22 Behringer Gmbh Werkstück-Spannvorrichtung, Werkzeugmaschine und Verfahren zum Einspannen eines Werkstücks
DE102014107267B4 (de) 2014-05-22 2019-06-13 Pepperl + Fuchs Gmbh Kniehebelspannvorrichtung mit Abfrageeinheit sowie Abfrageeinheit für eine vereinfachte Montage

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DE19702203A1 (de) * 1997-01-23 1998-07-30 Sta Co Mettallerzeugnisse Gmbh Pneumatische Endstellungsabfrageeinrichtung
DE19702204C1 (de) * 1997-01-23 1998-04-23 Sta Co Mettallerzeugnisse Gmbh Pneumatische Endstellungsabfrageeinrichtung
FR2769255B1 (fr) * 1997-10-08 1999-12-03 Genus Technologie Ind Dispositif de maintien, de positionnement, ou de serrage
DE19751950C1 (de) * 1997-11-24 1999-03-04 Isi International Sa Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
DE19801433A1 (de) * 1998-01-16 1999-07-22 Sta Co Mettallerzeugnisse Gmbh Spannvorrichtung
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US6192284B1 (en) 1998-05-15 2001-02-20 Norgren Automotive, Inc. Clamping arm position sensing apparatus
DE19824579C1 (de) * 1998-06-02 1999-06-17 Tuenkers Maschinenbau Gmbh Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
DE29903281U1 (de) 1999-02-24 1999-07-01 Festo AG & Co, 73734 Esslingen Kniehebel-Spannvorrichtung
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DE202009002141U1 (de) 2009-02-14 2009-04-23 Tünkers Maschinenbau Gmbh Vorrichtung mit einem über ein Stellglied und einer Kniehebelgelenkanordnung durch einen Antrieb in entgegengesetzten Richtungen antreibbaren Hebel, dem eine oder mehrere Massen zugeordnet ist bzw. sind, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
DE102009048510A1 (de) 2009-10-09 2011-04-14 De-Sta-Co Europe Gmbh Spannvorrichtung
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DE112010005923B4 (de) 2010-10-06 2015-04-02 Tünkers Maschinenbau Gmbh Energiesparende Kolben-Zylinder-Einheit zum Positionieren oder Zentrieren
US9453521B1 (en) * 2011-12-30 2016-09-27 Lincoln Global IP Clamp and method of use
DE102012003918C5 (de) * 2012-02-28 2017-03-09 Springer Gmbh Antriebsvorrichtung zum Antreiben einer Vorrichtung zum Greifen und/oder Spannen eines Werkstückes umfassend eine Kolben-Zylinder-Einheit mit Druckmittelkanal in der Kolbenstange
US10625382B2 (en) 2012-08-01 2020-04-21 Delaware Capital Formation, Inc. Toggle lever clamp
DE202014103575U1 (de) * 2014-08-01 2014-09-02 Pepperl + Fuchs Gmbh Abfrageeinheit für Kniehebelspanner
EP3116685B1 (fr) * 2015-04-29 2017-08-30 Pneumax S.p.A. Dispositif a actuation du type pourvu d'un élément d'actuation et des moyens de détection pour révéler le positionnement de l'élément d'actuation
CN108620916B (zh) * 2018-06-14 2023-12-29 苏州利航精密制造有限公司 一种航空零件车加工夹具
US10967472B2 (en) * 2018-09-18 2021-04-06 Hammill Manufacturing Company, Co-op Tool Divison Position detection device
CN112848829A (zh) * 2021-03-15 2021-05-28 中国第一汽车股份有限公司 前滑柱总成与转向节总成装配角度控制调整装置及方法
CN113953608B (zh) * 2021-10-26 2022-08-12 首都航天机械有限公司 一种电火花加工锁柄v型槽专用夹具
DE102022122108B3 (de) * 2022-09-01 2024-01-18 Destaco Europe Gmbh Positioniervorrichtung mit Stellglied und Gegenanschlag aus Keilelementen

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FR2780324A1 (fr) * 1998-06-26 1999-12-31 Genus Technologies Dispositif de positionnement, de maintien ou de serrage
US6189877B1 (en) 1998-06-26 2001-02-20 Genus Technologies Device for positioning, holding or gripping
EP0967050A3 (fr) * 1998-06-26 2001-05-30 Genus Technologies Dispositif de positionnement, de maintien ou de serrage
US6814349B2 (en) 2002-09-10 2004-11-09 Univer S.P.A. Clamping device with manual control lever
EP1524081A2 (fr) 2003-10-16 2005-04-20 VEP Automation S.r.l. Unité de contrôle pour contrôler la position en fin de course d'un bras de serrage rotatif d'un dispositif de serrage à leviers articulés
DE102013107661A1 (de) * 2013-07-18 2015-01-22 Behringer Gmbh Werkstück-Spannvorrichtung, Werkzeugmaschine und Verfahren zum Einspannen eines Werkstücks
WO2015007537A1 (fr) 2013-07-18 2015-01-22 Behringer Gmbh Dispositif de serrage d'une pièce, machine-outil et procédé pour le serrage d'une pièce
US9868165B2 (en) 2013-07-18 2018-01-16 Behringer Gmbh Workpiece clamping device, machine tool, and method for clamping a workpiece
DE102014107267B4 (de) 2014-05-22 2019-06-13 Pepperl + Fuchs Gmbh Kniehebelspannvorrichtung mit Abfrageeinheit sowie Abfrageeinheit für eine vereinfachte Montage

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DE19616441C1 (de) 1997-06-26
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US5845897A (en) 1998-12-08

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