EP0865880A1 - Mehrzweckzange - Google Patents

Mehrzweckzange Download PDF

Info

Publication number
EP0865880A1
EP0865880A1 EP96402671A EP96402671A EP0865880A1 EP 0865880 A1 EP0865880 A1 EP 0865880A1 EP 96402671 A EP96402671 A EP 96402671A EP 96402671 A EP96402671 A EP 96402671A EP 0865880 A1 EP0865880 A1 EP 0865880A1
Authority
EP
European Patent Office
Prior art keywords
branch
blade
fixed
movement
pivot
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
EP96402671A
Other languages
English (en)
French (fr)
Other versions
EP0865880B1 (de
Inventor
Roger Malagnoux
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.)
Pierre Grehal et Cie SA
Original Assignee
Pierre Grehal et Cie SA
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 to DK96402671T priority Critical patent/DK0865880T3/da
Priority to ES96402671T priority patent/ES2147352T3/es
Priority to EP96402671A priority patent/EP0865880B1/de
Priority to DE69607645T priority patent/DE69607645T2/de
Priority to PT96402671T priority patent/PT865880E/pt
Application filed by Pierre Grehal et Cie SA filed Critical Pierre Grehal et Cie SA
Priority to AT96402671T priority patent/ATE191386T1/de
Publication of EP0865880A1 publication Critical patent/EP0865880A1/de
Application granted granted Critical
Publication of EP0865880B1 publication Critical patent/EP0865880B1/de
Priority to GR20000401597T priority patent/GR3033912T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B17/00—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact
    • B26B17/02—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact with jaws operated indirectly by the handles, e.g. through cams or toggle levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/034—Joining superposed plates by piercing
    • 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

Definitions

  • the present invention relates to pliers with functions multiple, especially of the kind allowing execution various machining jobs, carrying out as appropriate, in particularly in one or more overlapping sheets, a hole or a puncture with folding of the edges of the hole, a crimping between a sleeve and an element surrounded by it, a cut or any other similar operation.
  • the invention aimed more a improvement made to the clamp considered in this document, allowing to improve its functioning and to facilitate its implementation, providing an even more efficient package easy and safe to use, requiring in particular no technicality or specific know-how on the part of its user.
  • the blade control sliding can be done quickly and easily, with a significant reduction in the movement of the lever relative to the handle of the body, transmitted to the sliding blade of such so that it can develop a high pushing force on a short stroke in order to pierce, stamp, crimp or punching elements which may have great resistance, such as one or more steel sheets or other material similar
  • the intended implementation requires that the user hold the pliers with both hands, one grasping the handle of the handle, the other that of the lever, to exert an effort of approximation from one to the other, resulting in the thrust supplied to the blade.
  • the clamp considered comprising a body provided or to which a first fixed branch is attached, with in bout a grip area or handle, and a second branch also provided at the end, opposite the body, with a zone of similar grip, this second branch being movable by relation to the body around a pivot axis carried by it, and a toggle mechanism, suitable for transforming the movement of rotation of the second branch in a movement of translation for a blade, sliding in the body towards of a matrix arranged opposite and also carried by the body by a part in return, this matrix being intended to cooperate with a working tool mounted at the end of the directed blade towards the matrix, is characterized in that the two branches of the grippers are close enough to each other to be gripped together with one hand of the user, the mobile branch being able to be brought closer to the fixed branch consecutively to a contraction of the fingers towards the palm, and in that the blade sliding has a hinge pin with a connecting rod control, rotatably mounted relative to the body around a fixed pivot and driven in its movement by means of
  • the clamp has a hairpin return spring mounted between the two branches, so as to exert a permanent effort on these, tending to spread the second movable branch of the first fixed branch.
  • the spring of reminder is wrapped in its central part around a nipple of support carried by the first fixed branch, the ends of the pin being respectively stopped and immobilized by one and the other of the two branches.
  • the fixed pivot around which the control rod rotates crosses a groove provided in the longitudinal direction of the link to allow a slight relative movement of this with respect to the pivot, following the displacement of the sliding blade, itself connected to the rod around the axis of articulation.
  • the body has a section substantially in the shape of an inverted U, of which the sides extend parallel to the sliding blade housed between them, these sides each comprising an elongated buttonhole, traversed by the articulation axis of the link on the blade.
  • the sliding blade itself has a groove center in which a fixed finger carried by the body engages and which extends transversely between its parallel sides, so guiding the blade remaining permanently parallel to itself during its movement under the effect of movement of the link.
  • the clamp considered comprises a body 1, produced by means a metal piece 2, folded on itself or shaped according to the manufacturing process used to follow the shape of a U overturned, with its sides respectively 3 and 4 parallel to each other the other and delimiting between them a central slot or housing 5 (see more particularly Figure 3).
  • the body 1 shown is analogous to that already described in the published European application EP-A-0 203 241, with in particular a part facing forward 6 forming a matrix 7, which is intended to cooperate with a sliding blade 8, the structure and mounting of which will be described below, this blade comprising opposite the matrix 7 an active part or tool 9, suitable for cooperating with this matrix as explained below.
  • Tool 9 can be an integral part of the blade sliding 8, constituting the corresponding end of this one (as illustrated in the Figures of the example considered), or, alternatively, be reported and secured of this blade by any suitable means.
  • the clamp has the equivalent of the fixed handle and the movable lever provided in this previous embodiment, but in one embodiment in itself largely different and which gives this clamp an efficiency improved.
  • the body 1 has a first fixed branch 10 and a second movable branch 11 articulated on this body around an axis 12, the two branches having at their ends opposite to the body of the handles 13 and 14 allowing the user to hold the clamp securely but with only one hand, so as to exert on the movable branch 11 an effort of reminder to bring it closer to the fixed branch 10, as illustrated respectively in Figures 1 and 2 where the branches are, in one case discarded, and in the other practically at contact between them.
  • Each of the handles 13 and 14 can include, so itself known, a lateral projecting element 15, forming stop for fingers and thumb of the hand holding the pliers, the two branches being applied against the palm.
  • One of handles may further include a ring 16 for hanging pliers in a rack or the like.
  • the two arms 10 and 11 of the clamp are associated with a intermediate return spring 17, preferably having the form general of a hairpin with the top rolled up around a hinge pin 18, carried by the fixed branch 10 in the example shown, the two extensions 19 and 20 of the hairpin spring being stopped and immobilized respectively by either of the two branches using any means appropriate.
  • each of the branches can have a profile hollowed out in its middle part to constitute a slot where accommodates each of the two extensions, so as to maintain the spring and prevent any lateral movement of the latter, without hinder the bringing together or the mutual separation of the two branches.
  • the ends of these extensions may include a curved portion 21, which engages in a hole immobilization (not shown) provided in each of branches.
  • the control of the clamp and in particular the movement of the sliding blade 8 and the tool 9 carried by it, is performed by means of a kneepad designated as a whole under reference 22.
  • the rod 23 comprises at its end opposite the blade sliding 8, a groove 27 which extends in the direction longitudinal of the link and in which is engaged a fixed pivot 28, carried by the body 1, so that this rod can be struggled in rotation relative to this pivot while accepting a slight relative displacement with respect to this one which describes the groove 27, as we can clearly see by comparison of Figures 1 and 2.
  • the link 23 is also articulated around an axis 29 on the blade sliding 8, the latter comprising a central groove 30, extending in the direction of movement of the blade, this groove being traversed by a guide finger 31, which is immobilized on both sides and outwards from the sides lateral and parallel 3 and 4 of the body 1 by nuts of blocking 32 and 33 (Figure 3).
  • an elongated buttonhole 34 in each of the sides 3 and 4 of the body 1, an elongated buttonhole 34, these two buttonholes, identical to each other and parallel to the central groove 30 of the sliding blade 8, receiving respectively the ends of the hinge pin 29 between the rod 23 and the blade, these ends can again advantageously be stopped by nuts 35 and 36 (see also Figure 3).
  • the rod 23 is preferably consisting of two parts, respectively 23a and 23b, forming clevis, overlapping the sliding blade 8 housed therebetween, so as to distribute the forces exerted on the latter by through the axis 29.
  • the two parts 23 and 24 may extend over the entire length of the link or well come together in one right of the fixed pivot 28 to its opposite end.
  • Figures 4, 5 and 6 help to understand the operation of the clamp according to the invention, in particular for perform a simultaneous puncture in an assembly 37 formed of two superimposed sheets, respectively 38 and 39, bearing against the matrix 7 of the return 6 of the body 1,
  • Figure 4 representing the assembly in question before the tool 9 achieves the puncture 40 desired, illustrated in Figure 5 and still more visible in Figure 6, once the clamp released, with overlap mutual and outward bending of the edges of the bore got.
  • the branch 10 was fixed relative to the body 1.
  • it is itself articulated around an axis 41 carried by the body, so as to facilitate its bringing together with the movable branch 11, the travel of which must however remain sufficient to allow proper travel of the control rod 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Scissors And Nippers (AREA)
  • Fats And Perfumes (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Coating Apparatus (AREA)
EP96402671A 1996-12-09 1996-12-09 Mehrzweckzange Expired - Lifetime EP0865880B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES96402671T ES2147352T3 (es) 1996-12-09 1996-12-09 Tenazas de funciones multiples.
EP96402671A EP0865880B1 (de) 1996-12-09 1996-12-09 Mehrzweckzange
DE69607645T DE69607645T2 (de) 1996-12-09 1996-12-09 Mehrzweckzange
PT96402671T PT865880E (pt) 1996-12-09 1996-12-09 Alicate com funcoes multiplas
DK96402671T DK0865880T3 (da) 1996-12-09 1996-12-09 Multifunktionstang
AT96402671T ATE191386T1 (de) 1996-12-09 1996-12-09 Mehrzweckzange
GR20000401597T GR3033912T3 (en) 1996-12-09 2000-07-05 Multifunctional pliers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96402671A EP0865880B1 (de) 1996-12-09 1996-12-09 Mehrzweckzange

Publications (2)

Publication Number Publication Date
EP0865880A1 true EP0865880A1 (de) 1998-09-23
EP0865880B1 EP0865880B1 (de) 2000-04-05

Family

ID=8225337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96402671A Expired - Lifetime EP0865880B1 (de) 1996-12-09 1996-12-09 Mehrzweckzange

Country Status (7)

Country Link
EP (1) EP0865880B1 (de)
AT (1) ATE191386T1 (de)
DE (1) DE69607645T2 (de)
DK (1) DK0865880T3 (de)
ES (1) ES2147352T3 (de)
GR (1) GR3033912T3 (de)
PT (1) PT865880E (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1610080A3 (de) * 2004-06-22 2006-12-13 Sanden Corporation Gestapelte mehrflutige Wärmetauscher und Verfahren zu deren Herstellung
WO2007093145A1 (de) * 2006-02-15 2007-08-23 Karl Jung Gmbh Zange
FR2969951A1 (fr) * 2010-12-29 2012-07-06 Pierre Grehal Et Cie S A Ets Pince a sertir
US20160279765A1 (en) * 2013-10-21 2016-09-29 Etablissements Pierre Grehal Et Cie Sa Hand tool step drive mechanism, crimping pliers provided with such a mechanism and crimping method
CN109351850A (zh) * 2018-11-21 2019-02-19 广州图固建筑科技有限公司 U型槽钢的便捷打孔器
US10702976B2 (en) 2018-06-06 2020-07-07 GCX Corporation Pole clamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354759A (en) * 1966-05-03 1967-11-28 Thomas L Cook Vise grip pliers
EP0103912A1 (de) * 1982-08-26 1984-03-28 C.A. Weidmüller GmbH & Co. Zangengerät
EP0203241A1 (de) 1985-05-21 1986-12-03 Etablissements Pierre Grehal Et Compagnie Mehrzweckzange und ihre Verwendung zum Befestigen, Pressen, Lochen und dergleichen
DE4101284A1 (de) * 1991-01-17 1992-07-23 Weidmueller C A Gmbh Co Mit einem kniehebelmechanismus versehenes geraet zum bearbeiten von arbeitsgegenstaenden durch druck
DE4129685A1 (de) * 1991-09-07 1993-03-11 Wolfgang B Thoerner Handbetaetigte crimp-zange

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354759A (en) * 1966-05-03 1967-11-28 Thomas L Cook Vise grip pliers
EP0103912A1 (de) * 1982-08-26 1984-03-28 C.A. Weidmüller GmbH & Co. Zangengerät
EP0203241A1 (de) 1985-05-21 1986-12-03 Etablissements Pierre Grehal Et Compagnie Mehrzweckzange und ihre Verwendung zum Befestigen, Pressen, Lochen und dergleichen
DE4101284A1 (de) * 1991-01-17 1992-07-23 Weidmueller C A Gmbh Co Mit einem kniehebelmechanismus versehenes geraet zum bearbeiten von arbeitsgegenstaenden durch druck
DE4129685A1 (de) * 1991-09-07 1993-03-11 Wolfgang B Thoerner Handbetaetigte crimp-zange

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1610080A3 (de) * 2004-06-22 2006-12-13 Sanden Corporation Gestapelte mehrflutige Wärmetauscher und Verfahren zu deren Herstellung
WO2007093145A1 (de) * 2006-02-15 2007-08-23 Karl Jung Gmbh Zange
FR2969951A1 (fr) * 2010-12-29 2012-07-06 Pierre Grehal Et Cie S A Ets Pince a sertir
FR2969950A1 (fr) * 2010-12-29 2012-07-06 Pierre Grehal Et Cie S A Ets Pince a sertir
US20160279765A1 (en) * 2013-10-21 2016-09-29 Etablissements Pierre Grehal Et Cie Sa Hand tool step drive mechanism, crimping pliers provided with such a mechanism and crimping method
US10195721B2 (en) * 2013-10-21 2019-02-05 Etablissements Pierre Grehal Et Cie Sa Hand tool step drive mechanism and crimping method
US10702976B2 (en) 2018-06-06 2020-07-07 GCX Corporation Pole clamp
CN109351850A (zh) * 2018-11-21 2019-02-19 广州图固建筑科技有限公司 U型槽钢的便捷打孔器

Also Published As

Publication number Publication date
DE69607645D1 (de) 2000-05-11
DE69607645T2 (de) 2000-11-23
ES2147352T3 (es) 2000-09-01
ATE191386T1 (de) 2000-04-15
PT865880E (pt) 2000-09-29
GR3033912T3 (en) 2000-11-30
EP0865880B1 (de) 2000-04-05
DK0865880T3 (da) 2000-09-11

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