EP0216717A1 - Klemmzange mit selbsteinstellenden Backen - Google Patents

Klemmzange mit selbsteinstellenden Backen Download PDF

Info

Publication number
EP0216717A1
EP0216717A1 EP86420238A EP86420238A EP0216717A1 EP 0216717 A1 EP0216717 A1 EP 0216717A1 EP 86420238 A EP86420238 A EP 86420238A EP 86420238 A EP86420238 A EP 86420238A EP 0216717 A1 EP0216717 A1 EP 0216717A1
Authority
EP
European Patent Office
Prior art keywords
jaw
lever
movable jaw
axis
oblong
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
EP86420238A
Other languages
English (en)
French (fr)
Other versions
EP0216717B1 (de
Inventor
Philippe Roux
Gilles Saccucci
Alain Bregeault
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.)
Outillage Roux France SA Ste
Original Assignee
Outillage Roux France SA Ste
ROUX FRANCE OUTILLAGE
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
Priority claimed from FR8514310A external-priority patent/FR2587640B1/fr
Priority claimed from FR8610720A external-priority patent/FR2601611B1/fr
Application filed by Outillage Roux France SA Ste, ROUX FRANCE OUTILLAGE filed Critical Outillage Roux France SA Ste
Priority to AT86420238T priority Critical patent/ATE48781T1/de
Publication of EP0216717A1 publication Critical patent/EP0216717A1/de
Application granted granted Critical
Publication of EP0216717B1 publication Critical patent/EP0216717B1/de
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
    • B25B7/06—Joints
    • B25B7/10—Joints with adjustable fulcrum
    • 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
    • B25B3/00—Hand vices, i.e. vices intended to be held by hand; Pin vices
    • 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
    • B25B7/123—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 with self-locking toggle levers

Definitions

  • the present invention relates to a vice-grip of the kind comprising a first fixed jaw secured to a main lever and a second jaw capable of oscillating on the main lever and connected, by a toggle forming an operating lever, to the main lever for opening said movable jaw or lock it in the closed position on the object to be tightened by locking the toggle joint after crossing a neutral position.
  • the spacing of the second movable jaw is adjusted by means of a rack made in the cheeks of the main lever.
  • the axis of oscillation of the movable jaw is, in fact, capable of being retained in one of the notches of the rack.
  • This prior adjustment operation of the jaw spacing requires an operation of the axis of oscillation of the movable jaw to bring it into contact with the part to be clamped and, depending on its thickness, the user chooses the notch of the appropriate rack.
  • the clamp according to this patent has a particular arrangement with a movable jaw in the form of a yoke at its end to adjust on complementary flanges of fixed lever having at the end a form constituting the fixed jaw. Horizontal and vertical cuts are made on the flanges and branches of the yoke for the adjustment and positioning of two axes of guidaop likely to move in a limited way.
  • An additional part constituting a cam bar is disposed in the body of the fixed lever and can move under the action of a spring secured to the movable jaw, during the movement of the control handle according to the action of an intermediate link.
  • Such pliers are of complex construction and assembly with a considerable number of parts.
  • This clamp has drawbacks in adjusting and adjusting its components.
  • the mechanism ensuring the locking in position of the clamping jaws is associated with the body of the clamp and thus with the fixed jaw.
  • the invention relates to a clamp of simple and reliable design, by limiting the number of parts of the jaw locking mechanism.
  • the locking mechanism is no longer disposed in the lever or fixed jaw but is secured directly with the movable jaw, which goes against the solutions proposed to date.
  • the movable jaw the oscillation axis of which is guided in an oblong opening in the main lever, comprises means for blocking and locking said axis whatever the distance between the movable jaw and the other jaw. main lever fixed.
  • the means for blocking the axis of the jaw consists of the axis itself which is oval and whose largest diameter is slightly greater than the width of the light oblong in which it can move, so that, when the movable jaw oscillates, the two psles of its axis are wedged against the banks of the oblong light, blocking said jaw.
  • the means for blocking the axis of the movable jaw consists of a cam which forms the upper end of said jaw and which bears against a perpendicular wall coupling the two cheeks of the main lever, so that the oscillating movement of said jaw causes the cam to jam against said wall.
  • the rear part of the movable jaw is arranged with a disc-shaped profile, on either side of said profile being attached, centered and fixed a profiled plate arranged with a profile established according to a parallelogram angularly deformed in its axial and transverse planes to adapt to the shapes and dimensions of the oblong slots of each flange of the fixed lever.
  • the jaw (6) has an ear pierced with a hole for fixing the end of a coil spring (7) also moored, by its other end, to a pin of the lever (1).
  • the jaw (6) is coupled to a second lever (9) comprising a link (10) articulated, by an axis (11), to said lever and the end of which bears against the end of an adjustment screw (12 ) with knurled head (13) taking the nut in the branch of lever 1.
  • the movable jaw is arranged for - receive a means of blocking and locking the jaws on the part to be clamped.
  • the blocking and locking means is disposed at the rear end of the movable jaw and is constituted by the axis (5) itself. More particularly, as illustrated in FIG. 2, each end of the axis (5) is oval. It has two plates and its largest diameter D is slightly greater than the width L of the light (4) in which it is engaged.
  • the adjustment of the jaws (2) and (6) is automatic around the object to be clamped.
  • the jaw (6) in abutment against the object to be clamped, oscillates on its axis (5) which tends to move in the light (4) while by pivoting until the two poles of said axis are wedged against the edges of the light (4). as illustrated in Figure 2.
  • the axis (5) stops in the light (4) but still allows the slight oscillating movement of the jaw (6) under the action of the toggle (9, 10) whose the arching provokes, in the known manner, the blocking of the jaws (2, 6) of the clamp.
  • FIGS. 3 and 4 Another embodiment of the locking and locking device of the jaw (6) has been illustrated according to FIGS. 3 and 4. It is a cam (15) which forms the end of the jaw (6) and which can bear against a wall (16) bracing the two cheeks (3) of the main lever (1).
  • the axis (17), which allows the oscillation of the jaw (6), is cylindrical and its diameter is substantially identical to the width of the lumen (4).
  • the jaw (6) When, under the action of the lever (9), the jaw (6) clamps the object against the other fixed jaw (2), it oscillates around its axis (17) and its cam (15) bears against the wall (16) and causes the jamming of said axis (17) in the lumen, while authorizing the blocking, by the kneepad (9), (10), of the jaws (2) (6) around the object to be clamped .
  • the rear part of the movable jaw is arranged with a disc-shaped profile (5) of small thickness engaging in the interval between the flanges of the fixed lever.
  • this disc profile (5) On either side of this disc profile (5) is attached and centered a plate (6) of particular profile.
  • This plate is arranged in its thickness, according to a nonlimiting example, with two openings (6.1) coming into correspondence with similar openings (5.1) made in the thickness of the disc to allow the engagement of two rivets (7) with head (7.1).
  • the second head (7.2) After placing the rivets on the two plates and the disc (5), the second head (7.2) is formed so as to ensure the locking in position.
  • the plates are presented as illustrated in FIG. 6 according to a parallelogram angularly deformed in its axial plane and in its transverse plane.
  • the maximum width L of the plate is less than the width (L1) of the lumen to allow easy translation of the movable jaw over the entire length of the lumen when adjusting the position of the jaws relative to the part to be clamped.
  • the length (L2) of the plate between its lateral edges (6.2) corresponds substantially to the width of the oblong opening.
  • Connection leave (6.3) is made between the different adjacent sides of the board and acts as a positioning ramp.
  • the plates (6) can be welded or glued to the opposite face of the disc or be associated by any equivalent connecting means.
  • the width (L1) of the light (1.3) requires widening important compared to the lights of the same type established on the serrated vice grips, according to the prior art in a ratio of approximately 1 to 2.
  • the formation of said lumen is carried out differently from the prior art to avoid any problem of behavior or deformation of the light by ovalization thereof during the production of the casing.
  • the width of the light has a very high degree of precision due to the function of the blocking and locking means. Otherwise, the latter would no longer play its role.
  • the housing of the vice pliers was flat and the lights were produced by cutting and stamping, then the pliers housing was bent to give it its shape.
  • the notched parts formed on the lights provided the origination function by constituting ribbing.
  • the clamp housing is first folded. A matrix is added between the two wings (1.1-1.2) and the lights are made. In this way we avoid any weakening of the metal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
EP19860420238 1985-09-24 1986-09-22 Klemmzange mit selbsteinstellenden Backen Expired EP0216717B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86420238T ATE48781T1 (de) 1985-09-24 1986-09-22 Klemmzange mit selbsteinstellenden backen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8514310 1985-09-24
FR8514310A FR2587640B1 (fr) 1985-09-24 1985-09-24 Pince-etau a machoires autoreglables
FR8610720A FR2601611B1 (fr) 1986-07-15 1986-07-15 Pince-etau perfectionnee a machoires auto-reglables.
FR8610720 1986-07-15

Publications (2)

Publication Number Publication Date
EP0216717A1 true EP0216717A1 (de) 1987-04-01
EP0216717B1 EP0216717B1 (de) 1989-12-20

Family

ID=26224728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860420238 Expired EP0216717B1 (de) 1985-09-24 1986-09-22 Klemmzange mit selbsteinstellenden Backen

Country Status (3)

Country Link
EP (1) EP0216717B1 (de)
DE (1) DE3667622D1 (de)
ES (1) ES2004339A6 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638393A1 (de) * 1993-08-11 1995-02-15 Petersen Manufacturing Co., Inc. Spannzange mit grossem Greifvolumen
EP0967051A1 (de) * 1998-06-25 1999-12-29 Olympia Industrial, Inc. Selbsteinstellende Zange
FR2802137A1 (fr) * 1999-12-13 2001-06-15 Facom Pince-etau
EP1202837A1 (de) * 1999-06-15 2002-05-08 I.D.L. Tech Tools, LLC Selbsteinstellende zange
US7444907B2 (en) 1999-06-15 2008-11-04 I.D.L. Tech Tools, Llc Self-adjusting pliers
EP2149428A1 (de) * 2008-07-28 2010-02-03 Irwin Industrial Tool Company Gripzange
US7861622B2 (en) 2008-07-28 2011-01-04 Irwin Industrial Tool Company Locking pliers
USD771456S1 (en) 2014-08-01 2016-11-15 Milwaukee Electric Tool Corporation Pliers with control key
US10207394B2 (en) 2015-01-15 2019-02-19 Milwaukee Electric Tool Corporation Locking pliers with improved adjustment member
US11370088B2 (en) 2019-06-06 2022-06-28 Snap-On Incorporated Locking pliers release mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD782891S1 (en) 2015-04-02 2017-04-04 Milwaukee Electric Tool Corporation Locking pliers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661648A (en) * 1950-02-18 1953-12-08 Harold T Jones Quick-adjusting toggle wrench
US2751801A (en) * 1954-05-17 1956-06-26 John L Hostetter Self-adjusting plier-type toggle locking wrench
US3104571A (en) * 1960-08-22 1963-09-24 Mueller Trybus Associates Inc Self adjusting wrench
GB1355269A (en) * 1973-01-13 1974-06-05 Wilson N R Self adjusting wrenches
US4275623A (en) * 1979-11-13 1981-06-30 James Walter Hand tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661648A (en) * 1950-02-18 1953-12-08 Harold T Jones Quick-adjusting toggle wrench
US2751801A (en) * 1954-05-17 1956-06-26 John L Hostetter Self-adjusting plier-type toggle locking wrench
US3104571A (en) * 1960-08-22 1963-09-24 Mueller Trybus Associates Inc Self adjusting wrench
GB1355269A (en) * 1973-01-13 1974-06-05 Wilson N R Self adjusting wrenches
US4275623A (en) * 1979-11-13 1981-06-30 James Walter Hand tool

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638393A1 (de) * 1993-08-11 1995-02-15 Petersen Manufacturing Co., Inc. Spannzange mit grossem Greifvolumen
AU672111B2 (en) * 1993-08-11 1996-09-19 Irwin Industrial Tool Company Large capacity locking pliers
EP0967051A1 (de) * 1998-06-25 1999-12-29 Olympia Industrial, Inc. Selbsteinstellende Zange
EP1202837A1 (de) * 1999-06-15 2002-05-08 I.D.L. Tech Tools, LLC Selbsteinstellende zange
EP1202837A4 (de) * 1999-06-15 2007-04-25 I D L Tech Tools Llc Selbsteinstellende zange
US7444907B2 (en) 1999-06-15 2008-11-04 I.D.L. Tech Tools, Llc Self-adjusting pliers
FR2802137A1 (fr) * 1999-12-13 2001-06-15 Facom Pince-etau
WO2001043921A1 (fr) * 1999-12-13 2001-06-21 Facom Pince-etau
EP2149428A1 (de) * 2008-07-28 2010-02-03 Irwin Industrial Tool Company Gripzange
US7861622B2 (en) 2008-07-28 2011-01-04 Irwin Industrial Tool Company Locking pliers
US8056451B2 (en) 2008-07-28 2011-11-15 Irwin Industrial Tool Company Locking pliers
USD771456S1 (en) 2014-08-01 2016-11-15 Milwaukee Electric Tool Corporation Pliers with control key
US10207394B2 (en) 2015-01-15 2019-02-19 Milwaukee Electric Tool Corporation Locking pliers with improved adjustment member
US11154965B2 (en) 2015-01-15 2021-10-26 Milwaukee Electric Tool Corporation Locking pliers with improved adjustment member
US11745313B2 (en) 2015-01-15 2023-09-05 Milwaukee Electric Tool Corporation Locking pliers with improved adjustment member
US11370088B2 (en) 2019-06-06 2022-06-28 Snap-On Incorporated Locking pliers release mechanism

Also Published As

Publication number Publication date
DE3667622D1 (de) 1990-01-25
ES2004339A6 (es) 1989-01-01
EP0216717B1 (de) 1989-12-20

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