EP0421107A2 - Pince - Google Patents

Pince Download PDF

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Publication number
EP0421107A2
EP0421107A2 EP90116136A EP90116136A EP0421107A2 EP 0421107 A2 EP0421107 A2 EP 0421107A2 EP 90116136 A EP90116136 A EP 90116136A EP 90116136 A EP90116136 A EP 90116136A EP 0421107 A2 EP0421107 A2 EP 0421107A2
Authority
EP
European Patent Office
Prior art keywords
pliers
jaw
movable jaw
movable
recess
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
EP90116136A
Other languages
German (de)
English (en)
Other versions
EP0421107A3 (en
EP0421107B1 (fr
Inventor
Ralf Putsch
Karl Putsch
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.)
Knipex Werk C Gustav Putsch KG
Original Assignee
Knipex Werk C Gustav Putsch 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 Knipex Werk C Gustav Putsch KG filed Critical Knipex Werk C Gustav Putsch KG
Publication of EP0421107A2 publication Critical patent/EP0421107A2/fr
Publication of EP0421107A3 publication Critical patent/EP0421107A3/de
Application granted granted Critical
Publication of EP0421107B1 publication Critical patent/EP0421107B1/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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • 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
    • B25B7/06—Joints
    • B25B7/10—Joints with adjustable fulcrum

Definitions

  • the invention relates to a pair of pliers with two pliers jaws forming the jaws, one of which sits firmly on a pliers leg, which has a longitudinal slot guide for the pliers leg pivot pin for coarse adjustment of the pliers jaw, and of which the other is slidably guided on the pliers leg carrying the fixed jaw and is displaceable via a force transmission point between a shoulder of the movable jaw and the jaw-side arm of the movable jaw leg for closing the jaws.
  • Such key pliers is known from US-PS 35 34 641, the movable jaw partially engages around the fixed leg and can be moved in a straight line on this.
  • the movable pliers leg is rotatably supported by means of a pivot in a recess of the fixed leg which is provided with a toothing only on the side facing the pliers mouth.
  • the pivot pin extends through a window of a mounting plate of the movable jaw that grips around the fixed leg on one side, this mounting plate being assigned to the side of the fixed leg that is opposite the movable pliers leg.
  • the pliers leg forms a stop surface at the end opposite the handle part, in the region of the axis of rotation.
  • the coarse longitudinal adjustment of the jaws of the pliers takes place in that the movable jaw is dragged along by means of the pivot bearing against an inner wall of the window. Due to the fact that the pivot is mounted in a window of the movable jaw, this has a play that is compensated for by the resistance of the workpiece to be gripped when the jaws are closed. Furthermore, these key pliers have no limit stop in the opening direction. The open position of the key pliers is therefore not defined. Opening it too far can even result in the loss of engagement from the engagement tooth in the toothing of the recess. This means that the opening width of the jaws can be changed unintentionally. Safe handling of the key pliers is not guaranteed in this embodiment.
  • the object of the present invention is to make a generic key plier more favorable in terms of handling.
  • a generic key pliers with increased utility value is created, in which both the coarse longitudinal adjustment and the pliers The mouth is closed via the power transmission point, the structural means being simple and expedient.
  • the procedure is such that the force transmission point designed as a form-fitting engagement between the jaw-side arm and the movable jaw is the connection point both for the coarse longitudinal adjustment and for the jaw opening between the jaw leg and the movable jaw.
  • the positive engagement between the movable pliers leg and the movable pliers jaw is thus maintained in every operating position.
  • the movable jaw is moved towards the fixed jaw via the force transmission point.
  • the same connection point between the movable pliers leg and the movable pliers jaw also serves to roughly adjust the key pliers.
  • the position of the movable pliers jaw is directly dependent on the position of the movable pliers leg, regardless of the previously set opening width of the jaws.
  • the position of the movable pliers jaw cannot be changed by a workpiece to be gripped without changing the position of the movable pliers leg.
  • the guide of the movable jaw is designed as a space next to the longitudinal slot guide, in which space a guide section of the movable jaw extends. It is preferably provided here that the free space is designed as a groove and the guide section as a rib.
  • the free space as a slot and the guide section as a bolt.
  • This configuration of the guidance of the movable jaws proves to be a significant advantage in terms of handling.
  • the key pliers can thus be made relatively slim, taking into account that there is always a safe guidance of the movable jaw.
  • the force transmission point acts both in the coarse longitudinal adjustment and in the jaw opening essentially in the area of the free space. The consequence of this is that the main force component extends approximately in the axial direction of the free space and thus in the direction of movement of the movable pliers jaw when the movable jaw is displaced.
  • Another advantage of this configuration is the fact that the force transmission point is arranged in the immediate vicinity of the jaws. A torque of the movable pliers jaw that occurs under load is thus reduced to a minimum. Furthermore, it is provided that the movable jaw is caught essentially free of play beyond the axis of rotation over the entire pivoting path of a set opening width under a stop limitation on both sides by the engaging tooth of the movable jaw leg adjacent stop surfaces.
  • the positive connection between the movable jaw and the pliers leg is realized by a hinge arrangement, wherein a hinge pin arranged on the end of the pliers leg opposite the handle part and beyond its axis of rotation engages in a joint recess of the movable jaw essentially without play.
  • a limit stop in the open or The closed position of the pliers is achieved by the respective support of a stop surface adjacent to the hinge pin and likewise formed on the pliers limb on the support surface of the movable jaw which is associated with the hinge formation and is adjacent to the latter. This also prevents fingers from jamming between the fixed leg and the pliers leg.
  • the two legs can with one Do not touch actuation in system.
  • a stop shoulder is formed on the movable jaw with a lateral distance to a substantially U-shaped recess receiving the engagement tooth, which protrudes downward over a lower edge of the movable jaw running on both sides of the recess.
  • This training offers improved support of the movable pliers leg in the open position. This prevents the hinge pin from moving out of the joint recess via any lever forces and thus releasing the movable jaw, which can lead to the loss of the latter.
  • Another advantage of this embodiment is the fact that the movable jaw is fork-shaped and is guided in outer grooves of the fixed leg running parallel to the row of teeth. This counteracts tilting of the movable jaw and ensures optimal guidance of this movable jaw.
  • the pliers leg is fork-shaped and an engagement tooth is formed on both sides, which engages in a recess of the movable jaw.
  • the force is not, as in the previously described prior art, supplied on one side, decentrally to the central axis of the movable jaw of this movable jaw, but on both sides, symmetrically to the central axis, which causes the movable jaw to tilt about its longitudinal axis and thus tilt is avoided.
  • the power transmission from the movable pliers leg to the movable jaw is optimally solved due to this design.
  • the row of teeth for changing the opening width of the jaws is formed on both sides on a recess.
  • the articulated and adjustable teeth engage in two opposite rows of teeth at the same time.
  • Another essential Ches feature of the invention relates to the alignment of the recess, which is provided with the rows of teeth mentioned and a guide groove of the movable jaw.
  • the central axes of the recess and the guide groove diverge in the closing direction of the pliers mouth.
  • the pliers legs can be moved towards each other in the closed position.
  • the pliers legs can be moved less far towards one another in the closed position. This ensures that the distance between the lower ends of the pliers legs is approximately maintained in the two extreme positions of the movable jaw, but the angle between the pliers legs changes.
  • the key pliers 1 of all exemplary embodiments have a movable pliers leg 2 and a fixed leg 3, which merges into a bearing plate 4 in the same material.
  • This has a recess 5, which is profiled sawtooth-like on its parallel longitudinal flanks 6.
  • Above the recess 5 and parallel to it are in the bearing plate Te 4 arranged two free spaces 7 each machined on the outer surfaces, which run symmetrically to the key pliers center axis xx.
  • a fixed jaw 8 which is thicker in material (in comparison to the bearing plate 4) is arranged symmetrically to the axis xx.
  • This fixed jaw 8 is opposite a movable jaw 9, which is designed to be essentially symmetrical with respect to the fixed jaw 8.
  • the movable jaw 9 forms in its lower region two cantilevers 10 which rest on the surfaces of the bearing plate 4 and overlap them in their upper region.
  • the arms 10 On the inner sides facing the bearing plate 4, the arms 10 have guide sections 11, each of which forms a guide for the movable jaw 9 with one of the free spaces.
  • the guide sections 11 are formed continuously.
  • a guide section 11 is therefore also provided in the region of the joint recess 15.
  • the joint recess 15 correspondingly extends over the thickness of the jaw as such, while the guide strip 11 is also formed underneath (see, for example, FIG. 4).
  • such a jaw can be worked from the solid, for example, forged. However, it is currently preferred to solder the guide bar 11, for example. Overall, an improvement in strength is also achieved with the continuous guide bar 11: the jaw 9 is considerably stiffer in the critical cross section. The neutral phase under bending stress has been shifted
  • the free spaces 7 are continuous, over the entire length or width of the jaw 9.
  • stop shoulders 13 are arranged on the arms. With a lateral distance to the stop shoulders 13 10 joint recesses 15 are provided in the arms, which are substantially U-shaped. They serve to receive pivot pins 16 of the movable pliers leg 2. This is fork-shaped in the upper part, the fork legs being arranged symmetrically to the central axis xx and resting on the surfaces of the bearing plate 4.
  • the pliers leg 2 is supported in the recess 5 by a joint pin 18 having a toothed segment.
  • the configuration of the mounting of the pliers leg 2 and the procedure for moving the pliers leg in the recess 5 have already been disclosed in European patent 0 116 305. In this respect, reference is made in full to this extent and the corresponding disclosure is hereby incorporated.
  • the free spaces 7 are designed as grooves 22 in which the guide sections 11 formed as ribs 23 lie.
  • These ribs 23 extend substantially at right angles to an inner edge 9 'of the movable jaw 9 extending over the entire length of the arm 10, the ribs 23 being shaped so that they practically completely fill the grooves 22 in cross section.
  • the stop shoulder 13 arranged in the boom end regions 12 project downward over the lower edge 14 of the boom 10.
  • the angle between the fixed leg 3 and the recess 5 having the sawtooth-like profiled longitudinal flanks 6 is approximately 15 ° in this embodiment.
  • the movable jaw 9 In the closed position of the key pliers 1 according to FIG. 1, the movable jaw 9 is displaced into the closed position via the joints composed of the joint recesses 15 and the joint pins 16. Here, the stop surfaces 19 are supported on the sections 21 of the lower edges 14 assigned to them.
  • the closed position is thus defined and is independent of the position of the hinge pin 18 in the recess 5, since when the hinge pin 18 is displaced in the recess 5 there is a simultaneous, essentially parallel displacement of the movable jaw 9. This prevents fingers from getting caught between the tong legs 2 and 3.
  • the movable jaw 9 When the key pliers 1 according to FIG. 2 are opened, the movable jaw 9 is moved back until the stop surfaces 20 are supported on the lower edges 14 of the extension arms 10 in the region of the stop shoulders 13.
  • the fork legs 17 act on the stop shoulders 13, which should prevent the pivot pins 16 from being moved out of the joint recesses 15 due to lever forces.
  • This stop limitation also defines the open position and, like the closed position, regardless of the position of the hinge pin 18 in the recess 5. The closing path between the open position and the closed position thus remains the same length for each preselected opening width.
  • An essential feature relates to the alignment of the recess 5 and the guide grooves 22 with respect to one another.
  • the guide grooves 22 and the recess 5 are arranged so that central axes a, a 'of the recess 5 and a guide groove 22 in the closing direction of the pliers 1, for example in Fig. 1 to the right, diverge slightly.
  • the opening angle between the axes is approximately 1-3 °, preferably 2 °.
  • the hinge pin 16 in the joint recess 15 moves somewhat downward.
  • the stop surface 19 reaches its stop position somewhat earlier (in relation to the path) in contact with a section 21.
  • this advantageously has the result that the distance between the lower ends of the pliers legs 2, 3 in the closed position of the Pliers 1 is approximately the same as with a large opening width of the pliers mouth, the movable jaw 9 being displaced in the direction of an opening of the pliers mouth.
  • the exemplary embodiments in FIGS. 6-13 differ essentially from the first exemplary embodiment in FIGS. 1-5 in that the angle between the fixed leg 3 and the recess 5 is approximately 60 °.
  • joint recess 15 is arranged with a clear lateral displacement of the jaw 9, more precisely the tip region thereof.
  • the lateral offset corresponds approximately to one to two times the thickness or width of the pivot pin 16. This lateral offset contributes significantly to being able to design the pliers in the desired slim shape.
  • the cap 9 according to the exemplary embodiment in FIGS. 6-13, but also the corresponding jaw of the other exemplary embodiments, can be constructed in two parts in cross section.
  • two cheek parts bent from sheet steel are laid flat and riveted together in the upper cheek area.
  • the parts can also be soldered or welded.
  • the corresponding design is in Figs. 6 and 7 by the here emerging outer visible edges are only indicated schematically.
  • the guide sections 11, which are otherwise continuous, are designed as separate parts which are connected to the extension area 10 of the jaw 9, namely preferably soldered.
  • the formation of the guide of the movable jaw 9 of the second embodiment according to FIGS. 6-9 is the same as that of the first embodiment.
  • the bearing plate 4 has grooves 22 for receiving ribs 23, which extend on the inner sides of the movable jaw 9.
  • the stop shoulders 13 arranged in the boom end regions 12 are designed in the shape of a circular arc and extend into the region of the joint recess 15.
  • the movable jaw 9 forms partial sections 21.
  • the stop surfaces 19 are supported on the sections 21 of the movable jaw 9 assigned to them.
  • the closed position is also defined here and is independent of the position of the hinge pin 18 in the recess 5.
  • the guide of the movable jaw is composed of a slot 24 arranged in the bearing plate 4 and a bolt 25 inserted in the displaceable jaw 9. s This pin 25 is arranged in the region of the boom end regions 12 and connects them to one another.
  • the operation of the key pliers 1 according to FIGS. 10-13 largely corresponds to that of the second embodiment. Only the stop limitation when the key pliers are in the closed position is not carried out by supporting a stop surface on a section of the movable jaw 9. This support is provided here by means of a stop pin 26 arranged in the movable pliers leg 2 in the lower region of its fork leg 17, which is in the closed position is supported on an outer edge of the bearing plate 4 facing it.
  • An essential feature of all the exemplary embodiments is that the positive engagement between the pivot pin 16 and the joint recess 15 forms the connection point between the movable jaw 9 and the movable pliers leg 2 both for coarse longitudinal adjustment and for closing the jaws.
  • the key pliers 1 have no further connection point between the movable jaw 9 and the movable pliers leg 2.
  • force is transmitted from the movable pliers leg 2 to the movable jaw 9 both in the coarse longitudinal adjustment and in the closing of the pliers jaws essentially in the region of the free spaces 7, that is to say in the region of the grooves 22 or the slot 24.
  • the pivot pins 16 cover the free spaces 7 in almost every operating position. An optimal power transmission is thus realized, especially since the force transmission points 27 composed of the joint pins 16 and the joint recesses 15 are arranged in the immediate vicinity of the jaws M.
  • the handling of the key pliers 1 can, for example, look as follows: when loosening or tightening a screw or the like, the movable jaw 9 is brought up to the screw by bringing the hinge pin 18 out of its positive locking with the sawtooth-like profile of the longitudinal flanks 6 of the recess 5 and the movable pliers leg 2 is displaced while taking the movable jaw 9 with it.
  • the clear width between the jaws 8 and 9 now corresponds to the head width of the screw.
  • the movable jaw 9 is moved back, the clear width between the jaws 8, 9 increasing, which gives the user the opportunity to remove the key pliers 1 from the screw and reattach them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Cosmetics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Harvester Elements (AREA)
  • Clamps And Clips (AREA)
EP90116136A 1989-09-04 1990-08-23 Pince Expired - Lifetime EP0421107B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929323 1989-09-04
DE3929323A DE3929323C2 (de) 1989-09-04 1989-09-04 Schlüsselzange

Publications (3)

Publication Number Publication Date
EP0421107A2 true EP0421107A2 (fr) 1991-04-10
EP0421107A3 EP0421107A3 (en) 1992-04-01
EP0421107B1 EP0421107B1 (fr) 1994-11-30

Family

ID=6388590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116136A Expired - Lifetime EP0421107B1 (fr) 1989-09-04 1990-08-23 Pince

Country Status (5)

Country Link
EP (1) EP0421107B1 (fr)
JP (1) JP3237840B2 (fr)
AT (1) ATE114530T1 (fr)
DE (2) DE3929323C2 (fr)
ES (1) ES2064565T3 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790102A1 (fr) * 1996-02-14 1997-08-20 Dietmar Turnau Outillage de clef variable ou pince multiprise à serrure compacte pour ajustement approximatif et précis superposant en guide parallèle du mors de pince inférieur d'une seule pièce avec la cheville de coulisse de cÔté et du mors de pince de l'autre, et avec des moyens de mesure
CN101032808A (zh) * 2006-03-02 2007-09-12 爱德华.威尔有限责任两合公司 具有防护强制导向装置的钳子
US7299724B1 (en) * 2007-01-24 2007-11-27 Warheit Matthew W Self-adjusting gripping tool
US7313989B1 (en) 1999-06-11 2008-01-01 Tortolani Jr Kenneth Guy Parallel jaw locking toggle pliers/wrench
CN102166736A (zh) * 2010-02-25 2011-08-31 科尼佩克斯-沃克.C.古斯塔夫普奇公司 夹钳
US8695464B2 (en) 2006-10-24 2014-04-15 Knipex-Werk C. Gustav Putsch Kg Pliers with pivot pin that can be moved against the force of a spring
CN110039457A (zh) * 2018-01-16 2019-07-23 伯鑫工具股份有限公司 水管钳
EP3513909A1 (fr) 2018-01-23 2019-07-24 Proxene Tools Co., Ltd. Pince pour tuyau
TWI670148B (zh) * 2018-01-11 2019-09-01 伯鑫工具股份有限公司 水管鉗
TWI670146B (zh) * 2018-01-11 2019-09-01 伯鑫工具股份有限公司 水管鉗
DE102020007819B3 (de) 2020-12-22 2022-03-03 NWS Germany Produktion W. Nöthen eK Schlüsselzange
DE102022129432A1 (de) 2021-11-08 2023-05-11 Knipex-Werk C. Gustav Putsch Kg Handwerkzeug sowie Funktionsteil für eine Rastverbindung mit einem Griffbereich eines Handwerkzeuges
WO2023105101A1 (fr) * 2021-12-30 2023-06-15 TRILLO BAIGORRI, Maria Luisa Système de rapprochement rapide pour outils manuels et pinces préhensiles
USD991763S1 (en) 2021-03-31 2023-07-11 Knipex-Werk C. Gustav Putsch Kg Pliers

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102626907A (zh) * 2012-04-16 2012-08-08 杭州萧山宏泰五金工具厂 一种管子钳
CN102615603A (zh) * 2012-04-16 2012-08-01 杭州萧山宏泰五金工具厂 一种多功能管子钳
TWM517065U (zh) * 2015-06-23 2016-02-11 Tomy Wei-Ming Lai 可連續旋鎖及旋鬆六角螺母之開口板手
TWI652150B (zh) 2018-01-11 2019-03-01 伯鑫工具股份有限公司 水管鉗
DE202018101086U1 (de) 2018-02-28 2018-04-16 GEDORE Holding GmbH Zange
DE202018101087U1 (de) 2018-02-28 2018-04-15 GEDORE Holding GmbH Zange
TWI694900B (zh) * 2019-08-01 2020-06-01 李宏銘 鉗具
DE102020103446A1 (de) 2020-02-11 2021-08-12 Knipex-Werk C. Gustav Putsch Kg Zange
DE102021102330A1 (de) 2020-02-12 2021-08-12 Knipex-Werk C. Gustav Putsch Kg Zange
DE102021104472A1 (de) 2020-02-26 2021-08-26 Orbis Will Gmbh + Co. Kg Zange

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618550A (en) * 1926-08-16 1927-02-22 Perkins George Ben Pliers
US1836473A (en) * 1930-05-26 1931-12-15 Kob Henry Howard Wrench
DE857326C (de) * 1950-01-10 1952-11-27 Herbert Wilms Sich selbsttaetig oeffnende Flachzange mit Parallelverschiebung der Backen
DE1478951A1 (de) * 1962-08-24 1969-10-30 Carl Kuhbier Zange
DE1478967A1 (de) * 1965-09-18 1970-01-22 Carl Kuhbier Zange
US3534641A (en) * 1968-08-09 1970-10-20 Donald Le Duc Pliers with slidable jaw actuation by claw lever means
DE3102390A1 (de) * 1981-01-24 1983-01-05 Fritz 6703 Limburgerhof Knebel Wasserpumpenzange
EP0116305A1 (fr) * 1983-02-02 1984-08-22 Knipex-Werk C. Gustav Putsch Pince pour tuyaux

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2223306A (en) * 1939-06-13 1940-11-26 Lawrence C Mead Self-adjusting wrench
MX153712A (es) * 1982-07-15 1986-12-19 Sergio Pena Medina Llave de tuercas autoajustable

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618550A (en) * 1926-08-16 1927-02-22 Perkins George Ben Pliers
US1836473A (en) * 1930-05-26 1931-12-15 Kob Henry Howard Wrench
DE857326C (de) * 1950-01-10 1952-11-27 Herbert Wilms Sich selbsttaetig oeffnende Flachzange mit Parallelverschiebung der Backen
DE1478951A1 (de) * 1962-08-24 1969-10-30 Carl Kuhbier Zange
DE1478967A1 (de) * 1965-09-18 1970-01-22 Carl Kuhbier Zange
US3534641A (en) * 1968-08-09 1970-10-20 Donald Le Duc Pliers with slidable jaw actuation by claw lever means
DE3102390A1 (de) * 1981-01-24 1983-01-05 Fritz 6703 Limburgerhof Knebel Wasserpumpenzange
EP0116305A1 (fr) * 1983-02-02 1984-08-22 Knipex-Werk C. Gustav Putsch Pince pour tuyaux

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790102A1 (fr) * 1996-02-14 1997-08-20 Dietmar Turnau Outillage de clef variable ou pince multiprise à serrure compacte pour ajustement approximatif et précis superposant en guide parallèle du mors de pince inférieur d'une seule pièce avec la cheville de coulisse de cÔté et du mors de pince de l'autre, et avec des moyens de mesure
US7313989B1 (en) 1999-06-11 2008-01-01 Tortolani Jr Kenneth Guy Parallel jaw locking toggle pliers/wrench
CN101032808A (zh) * 2006-03-02 2007-09-12 爱德华.威尔有限责任两合公司 具有防护强制导向装置的钳子
US7455000B2 (en) * 2006-03-02 2008-11-25 Eduard Wille Gmbh & Co Kg Pliers with protected compulsory guide
EP1829647A3 (fr) * 2006-03-02 2009-10-28 Eduard Wille GmbH & Co KG Pince dotée d'un guidage forcé protégé
US8695464B2 (en) 2006-10-24 2014-04-15 Knipex-Werk C. Gustav Putsch Kg Pliers with pivot pin that can be moved against the force of a spring
US7299724B1 (en) * 2007-01-24 2007-11-27 Warheit Matthew W Self-adjusting gripping tool
CN102166736A (zh) * 2010-02-25 2011-08-31 科尼佩克斯-沃克.C.古斯塔夫普奇公司 夹钳
TWI670148B (zh) * 2018-01-11 2019-09-01 伯鑫工具股份有限公司 水管鉗
TWI670146B (zh) * 2018-01-11 2019-09-01 伯鑫工具股份有限公司 水管鉗
CN110039457A (zh) * 2018-01-16 2019-07-23 伯鑫工具股份有限公司 水管钳
EP3513909A1 (fr) 2018-01-23 2019-07-24 Proxene Tools Co., Ltd. Pince pour tuyau
DE102020007819B3 (de) 2020-12-22 2022-03-03 NWS Germany Produktion W. Nöthen eK Schlüsselzange
USD991763S1 (en) 2021-03-31 2023-07-11 Knipex-Werk C. Gustav Putsch Kg Pliers
DE102022129432A1 (de) 2021-11-08 2023-05-11 Knipex-Werk C. Gustav Putsch Kg Handwerkzeug sowie Funktionsteil für eine Rastverbindung mit einem Griffbereich eines Handwerkzeuges
WO2023079171A1 (fr) 2021-11-08 2023-05-11 Knipex-Werk C. Gustav Putsch Kg Outil à main et pièce fonctionnelle pour une liaison par encliquetage avec une zone de préhension d'un outil à main
WO2023105101A1 (fr) * 2021-12-30 2023-06-15 TRILLO BAIGORRI, Maria Luisa Système de rapprochement rapide pour outils manuels et pinces préhensiles

Also Published As

Publication number Publication date
ES2064565T3 (es) 1995-02-01
DE3929323A1 (de) 1991-03-07
DE3929323C2 (de) 2001-07-05
EP0421107A3 (en) 1992-04-01
JP3237840B2 (ja) 2001-12-10
ATE114530T1 (de) 1994-12-15
DE59007841D1 (de) 1995-01-12
EP0421107B1 (fr) 1994-11-30
JPH03142174A (ja) 1991-06-17

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