EP1210215B1 - Pince - Google Patents

Pince Download PDF

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Publication number
EP1210215B1
EP1210215B1 EP00965911A EP00965911A EP1210215B1 EP 1210215 B1 EP1210215 B1 EP 1210215B1 EP 00965911 A EP00965911 A EP 00965911A EP 00965911 A EP00965911 A EP 00965911A EP 1210215 B1 EP1210215 B1 EP 1210215B1
Authority
EP
European Patent Office
Prior art keywords
grippers
grippers according
oblong holes
pliers
working region
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
EP00965911A
Other languages
German (de)
English (en)
Other versions
EP1210215A1 (fr
Inventor
Ralf 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 EP1210215A1 publication Critical patent/EP1210215A1/fr
Application granted granted Critical
Publication of EP1210215B1 publication Critical patent/EP1210215B1/fr
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
    • 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

Definitions

  • the invention relates to pliers according to the generic term of claim 1.
  • the US-PS 619 195 is a pliers-like to operate Known scissors. This shows two of the work areas the scissors legs having scissors on the articulated with each other via an imaginary axis of rotation are connected. The connection is such that two pins starting from a scissor arm in two elongated holes of the other scissor arm can be rotated are stored.
  • the elongated holes extend concentrically and radially spaced from the imaginary Axis of rotation. So there is a relatively large-scale trade in front.
  • the pins are on the longitudinal median plane the scissors crossing at an angle of 45 °.
  • the Elongated holes extend with their bisector across this plane.
  • the present Invention set the task in a generic Pliers to achieve a high power transmission.
  • This task is initially and essentially at a pair of pliers with the features of claim 1 solved, which is based on the imaginary axis of rotation the peg lies on the working area side. Without more Enlargement of the commercial space is a high force input reached.
  • the cones lie in large areas Guide.
  • the imaginary axis of rotation in the area of the cutting attachment lies.
  • the leverage ratios are optimized.
  • the shape of the peg can always based on a circular cylindrical shape become; however, a variant is also conceivable in that that the tenons the longitudinal edges of the elongated holes have associated flattenings. That enlarges the Contact area and thus reduces the specific system pressure; it goes to a larger area. It can do so be done that the guide between tenons and elongated hole each on the work area facing Longitudinal flank of the elongated holes takes place. Furthermore
  • the pin as The cams are designed to be congruent to the elongated hole flanks designed side surfaces.
  • cams in the form of sections of an arc act in the same way as around essentially elongated rib-like cams, for example for use in the V-shaped elongated hole version.
  • the elongated holes with its handle leg end approximately to reach to the longitudinal plane of the pliers and with its opposite one end of the work area about the Tangent normal to the median longitudinal plane, laid through the commercial end point of the work area. The results in a good cutting constellation and enables extensive use of the management areas of the Trade for the tenon movement. Can be achieved additional outside management areas a cover plate assigned to the top of the cam, which in a depression surrounding the edge of the elongated hole of the leg of the pliers is partially inserted.
  • the pliers 1 shown are preferred as side cutters trained as a power side cutter.
  • the pliers 1 comprise a functional or work area, referred to as pliers head 2 and an actuation area 3, posed by arcuate Pliers handle arms 4 and 5.
  • the work area can do that Cutting, clamping, embossing, stapling etc. are used.
  • the pliers handle arms 4 are on one with 6 and one with 7 designated pliers legs.
  • the pliers legs 6 and 7 cross each other in the Commercial sector 8.
  • Averted from the handle arm are the pliers legs 6, 7 in one jaw 9 or 10 away. They run in each a cutting edge 11 or 12. The latter are against each other directed and limit what can be opened and closed Pliers mouth 13. The cutting edges facing each other 11, 12 are linear.
  • the trade 8 has two pins 14, 15. The stand perpendicular to the sliding commercial spaces of the trade 8, so perpendicular to the swivel plane of the Pliers legs 6, 7.
  • the pin labeled 14 goes from one pliers leg 6; the one labeled 15 Tang starts from the other pliers leg 7.
  • they take (14, 15) an opposite direction of extension.
  • Corresponding the training as an inserted joint sits the pin in a separate section of the trade 8 and the corresponding pin receptacle in the opposite offset section of the trade 8, mutually understood.
  • the imaginary pivot point x lies in a longitudinal median plane y-y of the pliers 1. This level also represents the Plane of symmetry.
  • both pins 14, 15 located off-center of the pivot point x and also arranged mirror-symmetrically to the said median longitudinal plane y-y. Both are also elongated holes 16, 17 arranged off-center and likewise mirror-symmetrical to the longitudinal center plane y-y.
  • the elongated holes 16, 17 take such a course, that the imaginary fulcrum x just before the commercial side Cutting edge 11 'or 12' is.
  • the elongated holes 16, 17 take an arcuate Course.
  • the curvature follows approximately that convexly curved back of the jaws 9, 10.
  • the Elongated holes 16, 17 can have an arc-shaped course to take. Even a V-shaped course of the same is conceivable. In all cases, the general focus falls of the elongated holes 16, 17 so that they are in the direction the jaws 9, 10 clearly diverge.
  • the elongated holes 16, 17 can then be used that their ends together with the pins 14, 15 die Closing and / or opening limitation of the tool form. This has the regarding the closing limit Advantage that with a corresponding constellation of Pins 14 and 15 and the corresponding end of the Elongated hole 16 or 17, the touching counterpart the cutting 11, 12 can be avoided what this protects and also avoids premature wear.
  • the pins 14, 15 have a circular cylindrical shape.
  • the leading as well as load-bearing, practically backdrop stone-like Pins 15, 16 are each fixed with their Pliers legs 6 and 7 connected, accordingly when actuated relative to the other pliers leg move.
  • the pins 14, 15 take in Closing position of the pliers 1 is a closer neighborhood than when the pliers are open.
  • the pins 14, 15 can the respective plate section of the trade 8 but also by means of a rivet or Assigned non-rotating screw connection his.
  • the measure that the Pins 14, 15 the pliers legs produced in drop forging 6, 7 are also forged. she can extend beyond the depth of the elongated holes 16, 17 Have additional length to this protruding material to be able to transform into a rivet head.
  • the corresponding, End riveting that can be brought about by upsetting is in shown the drawings.
  • the opening limit can be shared using the plate-shaped sections of the trade 8 realized his.
  • the pliers 1 according to the second embodiment (Fig. 10-16) is basically the same structure.
  • the reference numbers of the first embodiment are analogous applied, sometimes without repeated text, because readable on the first embodiment.
  • the imaginary axis of rotation x-x is again on the working area side the pin 14, 15, which work area here too from cutting 11, 12 of the jaws 13 is provided. Specifically, it extends in the area d. H. near the cutting attachment 11 ', 12'.
  • the cams and pins 14, 15 are clearly visible endverêtt.
  • the convex curve goes from the drawings clearly. It corresponds to the final rounds of the oblong arches 16, 17.
  • the congruent to the side edges of the elongated holes The cams are so guided on the oblong hole flanks on.
  • the supporting flanks can also follow here be aligned in a circular arc shape, if necessary with end curvature reduction down to a short stretch, reserved for the V-shaped Alignment of the elongated holes 16, 17.
  • the geometric arrangement for the guided rotary movement the pliers leg 6, 7 is taking into account the larger length of the pins 14, 15 here means cams so that the elongated holes 16, 17 with their handle leg side End 16 'or 17' approximately up to the longitudinal plane of the pliers y-y range and with their opposite, Work area end 16 '' or 17 '' about the Normal N-N drawn in FIG. 13 to the longitudinal median plane almost touch y-y. Said normal is N-N through the commercial end point of the work area 11/12 laid. It extends perpendicular to the median longitudinal plane y-y.
  • the concave end curves of the elongated holes 16, 17 reflect forming again in the area of the recess 24 a circumferentially the same width shoulder 25 as the reason of the Deepening 24.
  • the peripheral level of deepening 24 bears the reference numeral 26. It can refer to the The peripheral edge of the cover plate 23 can be used to carry along.
  • the well-known commercial site Free space F between the pliers legs 6, 7 narrowing here to about the commercial end point of Working area 11/12 is enough. It lies in a curved Horn comparable outline before, with outward expansion and work area-side Thinning. One concave arc here also the cheek butt 21. Against this occurs on End of the opening movement limiting the end face 20, realized as business level G of the other Pliers legs 7. This configuration is mirror-symmetrical realized, is therefore also on the other Side of the pliers 1 before changing sides. The closing gap 14 is exaggerated for clarity.
  • the cutting edges be adapted, be it by increasing the Liability, e.g. by diamond coating the cutting edges, or a corrugation of the same or these can be a Have indentation or inclined differently in the longitudinal direction run.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Scissors And Nippers (AREA)
  • Crushing And Grinding (AREA)

Claims (12)

  1. Pince (1) telle que, en particulier, pince à coupe latérale, pince à coupe centrale du type coupe de cisaille, à coupe en ciseaux, à coupe par morsure, en couteau (à enclume), avec deux branches de pince (6, 7), présentant les zones de travail (11, 12), les branches étant reliées l'une à l'autre de façon pivotante au moyen d'un axe de pivotement imaginaire (x-x), de sorte que deux ergots (14, 15) partant chacun de l'une des branches de pinces soient susceptibles de se déplacer dans des trous oblongs (16, 17) de l'autre branche respective de pince, caractérisée par une disposition des trous oblongs (16, 17) de telle sorte que l'axe de pivotement (x-x) imaginaire soit disposé du côté de la zone de travail des ergots.(14,15).
  2. Pince selon la revendication 1, caractérisée en ce que l'axe de pivotement imaginaire (x-x) se trouve dans la zone du début de tranchant (11', respectivement 12').
  3. Pince selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que l'axe de pivotement imaginaire se trouve dans une position localement fixe.
  4. Pince selon l'une ou plusieurs revendications précédentes, caractérisée par une allure en forme de V des trous oblongs (16, respectivement 17).
  5. Pince selon l'une ou plusieurs revendications précédentes, caractérisée par une divergence disposée du côté de la zone de travail de l'allure en forme de V.
  6. Pince selon une ou plusieurs revendications précédentes, caractérisée en ce que les trous oblongs (16, respectivement 17) s'étendent en forme d'arc de cercle.
  7. Pince selon l'une ou plusieurs revendications précédentes, caractérisée en ce que les ergots (14, 15) présentent des méplats (18, 19) associés aux bords longitudinaux des trous oblongs (16, 17).
  8. Pince selon l'une ou plusieurs revendications précédentes, caractérisée en ce que le guidage entre les ergots (14 respectivement 15) et le trou oblong s'établit chaque fois sur les flancs longitudinaux dirigés vers la zone de travail, des trous oblongs (16, respectivement 17).
  9. Pince selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les ergots (14, 15) sont réalisés sous forme de saillies ou de cames avec des surfaces latérales de forme conjuguée de celle des flancs des trous oblongs.
  10. Pince selon l'une ou plusieurs revendications précédentes, caractérisée en ce que les trous oblongs (16, 17) s'étendent par leurs extrémités (16', respectivement 17') situées du côté des poignées de branche jusqu'à proximité du plan central longitudinal (y-y) de la pince, et par leurs extrémités opposées (16", respectivement 17") situées du côté de la zone de travail viennent tangenter la normale (N-N) au plan central longitudinal (y-y), passant par le point d'extrémité du côté d'articulation de la zone de travail.
  11. Pince selon l'une ou plusieurs revendications précédentes, caractérisée par une plaque de couverture (23), associée à la face supérieure de la came, chaque plaque étant disposée partiellement dans un évidement (24) de la branche de pince (6, respectivement 7) entourant le bord du trou oblong (16, respectivement 17).
  12. Pince selon l'une ou plusieurs revendications précédentes, caractérisée en ce que l'espace libre (F), connu en soi du côté de la surface de charnière ou d'articulation et dans lequel pivote chaque fois un étage (G) de charnière ou d'articulation de l'autre branche de pince (7), s'étend en rétrécissant jusqu'à proximité du point d'extrémité, du côté de charnière ou d'articulation, de la zone de travail (11/12).
EP00965911A 1999-09-04 2000-09-01 Pince Expired - Lifetime EP1210215B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19942372 1999-09-04
DE19942372A DE19942372A1 (de) 1999-09-04 1999-09-04 Zange
PCT/EP2000/008556 WO2001017732A1 (fr) 1999-09-04 2000-09-01 Pince

Publications (2)

Publication Number Publication Date
EP1210215A1 EP1210215A1 (fr) 2002-06-05
EP1210215B1 true EP1210215B1 (fr) 2004-05-26

Family

ID=7920898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00965911A Expired - Lifetime EP1210215B1 (fr) 1999-09-04 2000-09-01 Pince

Country Status (7)

Country Link
EP (1) EP1210215B1 (fr)
CN (1) CN1278824C (fr)
AU (1) AU7649400A (fr)
DE (2) DE19942372A1 (fr)
ES (1) ES2222235T3 (fr)
RU (1) RU2245779C2 (fr)
WO (1) WO2001017732A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005016356A1 (de) * 2005-04-09 2006-10-12 Knipex-Werk C. Gustav Putsch Kg Zange
DE202009004514U1 (de) 2009-03-31 2009-10-15 Mangold, Gerhard Zange, insbesondere Kabelschneider
DE102009044107B4 (de) 2009-09-25 2021-03-18 Knipex-Werk C. Gustav Putsch Kg Zange
DE102009056081A1 (de) 2009-11-30 2011-06-09 Knipex-Werk C. Gustav Putsch Kg Zange
CN101804605B (zh) * 2010-03-31 2012-05-23 江苏金鹿集团有限公司 鲤鱼钳
CN101890681A (zh) * 2010-06-07 2010-11-24 王光良 一种穿锶式叠锶钳及加工方法
DE102011052926A1 (de) 2011-05-20 2012-11-22 Knipex-Werk C. Gustav Putsch Kg Zange
FI124699B (fi) * 2011-06-30 2014-12-15 Iittala Group Oy Ab Leikkuutyökalu
CN105458955B (zh) * 2014-07-11 2019-05-07 杭州巨星工具有限公司 手动工具
CN107695910A (zh) * 2017-10-25 2018-02-16 深圳先进技术研究院 钳子及其制造方法
DE202024101563U1 (de) 2024-03-28 2024-04-12 Wiha Werkzeuge Gmbh Zange

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619195A (en) * 1899-02-07 Shears
US3126775A (en) * 1964-03-31 Grip hold plier for small assemblies
US1795532A (en) * 1929-04-17 1931-03-10 Krupp Ag Forceps or scissors-like surgical instrument
GB1464580A (en) * 1974-05-20 1977-02-16 Happenden Richborough Ltd Plastics forceps hinge
DE2821893A1 (de) * 1977-05-31 1978-12-07 Hemox Inc Klammer, insbesondere chirurgische klammer
US5232360A (en) * 1991-09-16 1993-08-03 Luis Ingels Orthodontic pliers
DE19705343C1 (de) * 1997-02-12 1998-02-12 Liou Mou Tang Zange mit integriertem Drehzapfen

Also Published As

Publication number Publication date
CN1278824C (zh) 2006-10-11
DE50006616D1 (de) 2004-07-01
RU2245779C2 (ru) 2005-02-10
ES2222235T3 (es) 2005-02-01
AU7649400A (en) 2001-04-10
EP1210215A1 (fr) 2002-06-05
WO2001017732A8 (fr) 2003-01-16
WO2001017732A1 (fr) 2001-03-15
CN1424955A (zh) 2003-06-18
DE19942372A1 (de) 2001-03-08

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