EP0228032B1 - Zangenförmiges Handwerkzeug - Google Patents

Zangenförmiges Handwerkzeug Download PDF

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Publication number
EP0228032B1
EP0228032B1 EP86117597A EP86117597A EP0228032B1 EP 0228032 B1 EP0228032 B1 EP 0228032B1 EP 86117597 A EP86117597 A EP 86117597A EP 86117597 A EP86117597 A EP 86117597A EP 0228032 B1 EP0228032 B1 EP 0228032B1
Authority
EP
European Patent Office
Prior art keywords
hand tool
pliers
tool according
gripping
arms
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
EP86117597A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0228032A2 (de
EP0228032A3 (en
Inventor
Peter Kern
Gerhard Bayer
Johannes Solf
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.)
SWG Schraubenwerk Gaisbach GmbH
Original Assignee
SWG Schraubenwerk Gaisbach 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
Application filed by SWG Schraubenwerk Gaisbach GmbH filed Critical SWG Schraubenwerk Gaisbach GmbH
Priority to AT86117597T priority Critical patent/ATE53952T1/de
Publication of EP0228032A2 publication Critical patent/EP0228032A2/de
Publication of EP0228032A3 publication Critical patent/EP0228032A3/de
Application granted granted Critical
Publication of EP0228032B1 publication Critical patent/EP0228032B1/de
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
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/102—Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/12—Handle constructions characterised by material or shape electrically insulating material

Definitions

  • the invention relates to a pliers-shaped hand tool with two legs connected by a joint, which cooperate or have jaws in one end region thereof, the legs being designed as a handle leg on the other side of the joint.
  • a pliers-like hand tool of this type is already known (DE-U 7 525 115). These can be combination pliers, flat pliers, round pliers, flat round pliers, cable pliers, side cutters, etc. In the known tool, the side flanks of both grip legs lie in two mutually parallel planes. This means that the grip legs have the same width everywhere.
  • a plier-shaped hand tool (DE-A1 3 019 734) in which a head part which acts as a hand protection is provided with a plurality of ribs which run approximately transversely to the longitudinal axis and between which narrow channels are formed.
  • the side flanks of the handle legs diverge in the direction from the joint to the free end of the handle legs. This is to achieve a better distribution of the forces when closing the pliers.
  • a hand tool (FR-A 2 315 294) is also known, in which plastic covers can be pushed onto the metallic handle legs.
  • the side flanks of the handle legs run parallel to each other here.
  • the invention has for its object to form a pliers-like tool, in particular a pair of pliers, in such a way that it fits comfortably in the hand even with different activities and the adaptation of the grip legs to the anatomy and anthropometry of the human hand is retained.
  • the side flanks of the grip legs in the region of the index finger and thumb position have channel-like indentations forming a bed for the thumb or index finger, the longitudinal axes of which extend essentially transversely to the longitudinal axis of the pliers. In this way, it becomes possible to hold the pliers on a grip leg with the thumb and index finger base member during the opening process or in the open state without having to change the grip.
  • the trough-shaped indentations do not run exactly perpendicular to the longitudinal axis of the pliers, but slightly obliquely at an angle of, for example, between 15 ° and 20 ° inwards and upwards, ie in the direction of the mouth of the pliers. This makes handling even cheaper, since this corresponds to the inclination of the natural arrangement of the fingers when handling the pliers.
  • both side flanks of a handle can form an angle of 4 ° with respect to the longitudinal axis of the handle.
  • the thickest point of the handle leg can lie immediately before the beginning of the indentation. This divergence of the side flanks takes into account the fact that the index finger, which is longer than the little finger, has a longer wrap area.
  • the outer contour of the handle leg between the indentation and the joint is widened outwards.
  • This extension which is known per se, serves not only to prevent sliding, but in particular to better position the pliers in the joint area between the thumb and index finger.
  • the extension can serve as a gag-like contact surface if the pliers are to perform a rotary movement about its longitudinal axis.
  • the side flanks of the grip legs have profiled gripping fields in the region of the indentation.
  • the side flanks are bevelled in the region of their inner edges directed towards one another.
  • This bevel which is preferably straight in cross section, can serve to facilitate the opening of the tool with the fingertips of the little finger.
  • the inclined surfaces formed by the bevel preferably run at an angle of approximately 45 ° with respect to the side flanks.
  • the outer contour of the handle legs between the indentation and its end follows the shape of an ellipse or an oval, for example.
  • the cross section through the handle legs is preferably oval or elliptically rounded on the outside of the handle legs.
  • FIGS. 1 and 2 An embodiment of the tool proposed by the invention is the combination pliers shown in FIGS. 1 and 2. It contains two legs 11 which are connected to one another by means of a swivel joint 12. On one side of the joint 12, the two legs 11 each form a jaw 13, which together form the mouth of the combination pliers. On the opposite side of the joint 12, the legs 11 are designed as grip legs 14.
  • the handle legs 14 each contain a plastic, hand-adapted insulation 15.
  • the outer contour 16 is convexly curved outwards, for example in the manner of the flat side of an ellipse or an oval.
  • the major axis of the ellipse runs in the longitudinal axis of the pliers.
  • their outer contour 16 thus widens and then narrows again.
  • the outer contour then widens from a point 17 of the smallest width, so that gag-like widenings 18 are formed.
  • the widenings 18 are limited in the direction of the mouth of the pliers by an end face 19 which extends in a straight line obliquely to the longitudinal axis at an angle of approximately 15 to 20 ° .
  • the slope is chosen so that the two end faces 19 converge from the outside inwards towards the mouth of the pliers.
  • the jaws 13 form two parallel surfaces 20 in their front area, so that flat-nose pliers are formed in this area. Then there are two ribbed rounded recesses 21, with the aid of which the combination pliers can enclose and rotate a cylindrical part, for example like a water pump pliers.
  • the side flanks 23 of the two handle legs 14 which are visible in a top view in FIG. 1 are chamfered in the region of their mutually facing longitudinal edges 24, the width of the chamfer being different in size over the length of the handle legs 14.
  • the bevel forms inclined surfaces 25 which have an inclination of approximately 45 ° with respect to the flat side flanks 23 of the handle legs 14. These inclined surfaces 25 are said to favor the opening of the finger grip leg with the fingertips.
  • the shape of the handle legs is adapted to the natural curvature of the hand skeleton.
  • the side flanks 29 of the grip legs 14 have indentations or depressions 26 in their area facing the joint 12 of the pliers, which are approximately channel-shaped with a rounded cross section.
  • the deepest point of the indentations 26 is represented by the line 27 shown in FIG. 1.
  • This line 27 and thus the longitudinal direction of the indentations 26 run parallel to the delimitation surfaces 19 of the gag-like widenings 18.
  • the longitudinal directions of the indentations run obliquely with respect to the longitudinal axis of the pliers, the indentations 26 of both grip legs 14 opening from the outside inwards in the direction the jaws of the pliers converge.
  • the deviation in the longitudinal direction is approximately 15 to 20 ° with respect to a perpendicular on the longitudinal axis of the pliers.
  • the light wedge shape of the combination pliers takes into account the fact that the index finger, which is longer than the little finger, has a longer wrap area.
  • the side flanks 23 are widened until just before the indentation 26, so that the grip legs 14 have their thickest point directly in front of the indentation 26. At most, the limitation of the gag-like widenings 18 could be even thicker.
  • the indentations 26 serve to form a bed for the thumb on the front of the thigh, while they serve as a bed for the index finger on the back of the back of the leg. This ensures that the pliers can be held between the index finger base and thumb end link when gripping and grasping, i.e. during the opening process of the four fingers, so that the pliers are constantly in the same position during opening and closing Hand can be held. To these favorable coupling conditions even with disturbing influences such as dirt, moisture, grease or the like. To ensure, profiled gripping fields 30 are applied in the region of the indentations 26, see FIG. 1. These gripping fields 30 only extend on the front and rear, i.e. that is, in the side flanks 23 of the legs, but not in the outer contour 16.
  • Fig. 3 shows an enlarged cross section through a handle leg 14 approximately along line 111-111 in Fig. 1.
  • the metal leg of the pliers is completely surrounded by the plastic insulation 15, so that the user has a pleasant warm feeling.
  • the outer contour 31 of the cross section extends from the side flanks 23, which are rectilinear in cross section, to the second side flank 23, which is again rectilinear, again rounded in the outer contour 16 of the handle leg 14.
  • the oblique surfaces 25, which are rectilinear in cross section, are still relatively narrow.
  • the inner side 32 again runs in a straight line and parallel to the outer contour 16.
  • FIG. 4 shows a cross section corresponding to FIG. 3 at approximately the line IV-IV in FIG. 2.
  • the thickness of the handle leg or the insulation 15 is already somewhat smaller, so that the distance between the side flanks 23 is less.
  • the sloping surfaces 25 have their greatest width in this area.
  • the inside 32 of the handle leg 14 is the narrowest.
  • Fig. 5 shows a cross section through the handle leg 14 in the region of the end 28, approximately along the line V-V in Fig. 2.
  • the inclined surfaces 25 decrease in width again, so that the side flanks 23 become larger again.
  • the thickness of the handle leg is even smaller.
  • FIG. 6 shows a broad side view of a side cutter corresponding to FIG. 1.
  • the handle shape is unchanged from the embodiments according to FIGS. 1 to 4, the only change is the shape of the legs 11 outside the handle legs 14 and the type of jaw of the pliers.
  • the jaws of the pliers are designed as standard side cutters.
  • a screw 33 with a hexagon socket is screwed into a recess of the one handle leg and comes to rest on a counter surface 34 when the pliers are opened. This provides a stop for the opening movement of the pliers, which can also be adjusted using a hexagon key.
  • Fig. 7 shows how the combination pliers proposed by the invention is in the hand of a user. It can be seen that the thumb 35 lies in the indentation 26 on the front of the one handle leg, while the index finger 36 with its base member lies in the indentation 26 on the opposite side of the same handle leg 14. In this position, the pliers can be opened and closed without having to be released.
  • the combination pliers shown are universal hand tools that can be used for various applications. This universality is weakened by special shapes of the jaws for special applications.
  • the grip leg shape proposed by the invention is also valid for the following jaw cross-sections, the list not being exhaustive: flat, flat-round, round, semi-oval, hollow, pointed and for the combinations of these jaw cross-sections.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Materials For Medical Uses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Knitting Of Fabric (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Scissors And Nippers (AREA)
  • Catalysts (AREA)
  • Finger-Pressure Massage (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Gloves (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Lubricants (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Fats And Perfumes (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Surgical Instruments (AREA)
EP86117597A 1985-12-20 1986-12-17 Zangenförmiges Handwerkzeug Expired - Lifetime EP0228032B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86117597T ATE53952T1 (de) 1985-12-20 1986-12-17 Zangenfoermiges handwerkzeug.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853545411 DE3545411A1 (de) 1985-12-20 1985-12-20 Ergonomisch verbesserte kombizange
DE3545411 1985-12-20

Publications (3)

Publication Number Publication Date
EP0228032A2 EP0228032A2 (de) 1987-07-08
EP0228032A3 EP0228032A3 (en) 1987-12-16
EP0228032B1 true EP0228032B1 (de) 1990-06-20

Family

ID=6289153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86117597A Expired - Lifetime EP0228032B1 (de) 1985-12-20 1986-12-17 Zangenförmiges Handwerkzeug

Country Status (10)

Country Link
US (1) US4829858A (da)
EP (1) EP0228032B1 (da)
JP (1) JPS62176781A (da)
AT (1) ATE53952T1 (da)
DE (2) DE3545411A1 (da)
DK (1) DK161436C (da)
ES (1) ES2016248B3 (da)
FI (1) FI87054C (da)
GR (2) GR3001013T3 (da)
NO (1) NO165712C (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117899C1 (en) * 1991-05-31 1992-11-26 Orbis-Werk Groten Gmbh + Co Kg, 4422 Ahaus, De Pliers for metal work - has support leg on one leg to take force from grip leg

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8803015U1 (de) * 1988-03-05 1989-07-06 Knipex-Werk C. Gustav Putsch, 5600 Wuppertal Kombinationszange
US5050337A (en) * 1990-02-12 1991-09-24 Moore Nathan J Trap setting device
DE9112630U1 (de) * 1991-10-10 1991-12-12 Fa. Hans Plier, 5630 Remscheid Zangen-Handgriff
US5253557A (en) * 1992-11-12 1993-10-19 The Triangle Tool Group, Inc. A Subsidiary Of The Triangle Corporation Ergonomic handle construction for hand-held tools
FR2709971B1 (fr) * 1993-09-13 1995-10-27 Charlet Moser Sa Piolet pour l'alpinisme équipé d'une poignée de préhension.
USD378042S (en) * 1993-11-11 1997-02-18 Sandvik Ab Pliers
SE501598C2 (sv) * 1994-03-16 1995-03-27 Sandvik Ab Precisionstång
US5809853A (en) * 1996-10-23 1998-09-22 Hudson; Robert V. Protective grip for pliers-type tool
USD406520S (en) * 1998-01-30 1999-03-09 Carl Kammerling & Co. Pair of tool handles
FR2778592B1 (fr) * 1998-05-15 2000-08-04 Facom Pince a poignees ergonomiques
EP0970781A3 (en) 1998-07-10 2003-04-02 Georg Dr. Risse Ergonomic pliers
DE19830998C2 (de) * 1998-07-10 2001-04-05 Georg Risse Ergonomische Zange
DE19902882C2 (de) * 1999-01-25 2002-06-20 Holland Letz Felo Werkzeug Handgriffe für Arbeitsgeräte und Verfahren zu ihrer Herstellung
US7086312B1 (en) 2001-12-28 2006-08-08 Kenneth Guy Tortolani Parallel jaw locking toggle wrench/pliers with economic/ergonomic handles
US6131244A (en) * 1999-07-16 2000-10-17 Meritool Corp. Adjustable handle cover
DE20001498U1 (de) * 2000-01-27 2001-06-13 Wolfcraft GmbH, 56746 Kempenich Spannzwinge mit Weichkunststoff überzogener Griffzone
DE10010674A1 (de) * 2000-03-04 2001-09-06 Adolf Wuerth Gmbh & Co Kg Griff für ein zweischenkliges Werkzeug
US6530099B1 (en) 2000-07-19 2003-03-11 Snap-On Technologies, Inc. Injection molded pliers with insert molded dual purpose reinforcing and implement structure
US6270134B1 (en) * 2000-08-23 2001-08-07 Huey-Yea Lin Dual layered hand grip coverings and links for hand tool
DE10224005B4 (de) * 2002-05-29 2015-08-13 Stryker Leibinger Gmbh & Co. Kg Trenn-/Biegesystem zum Anpassen einer Knochenplatte
US6941846B2 (en) * 2003-05-08 2005-09-13 Chih-Ching Hsien Pliers
US20040250663A1 (en) * 2003-06-13 2004-12-16 Chih-Ching Hsien Handle structure for hand tool
US20070221016A1 (en) * 2006-03-21 2007-09-27 Xtools, Llc Buoyant metal composite pliers
US8276429B2 (en) 2006-10-02 2012-10-02 Emerson Electric Co. Hand tools and handles therefor
US20080295665A1 (en) * 2007-05-31 2008-12-04 Hsiu-Man Yu Chen Steel strip shears with a hammering device
US7735399B2 (en) 2007-07-05 2010-06-15 IBT Holdings, Inc Clamping and cutting apparatus with adjustable head
US7946202B2 (en) * 2009-10-21 2011-05-24 Chia-Yun Lin Grip for pliers
DE102010016057B4 (de) 2010-02-25 2023-01-26 Knipex-Werk C. Gustav Putsch Kg Zange
JP5726365B1 (ja) * 2014-12-25 2015-05-27 株式会社エンジニア 挟持工具
US20170215613A1 (en) * 2016-01-28 2017-08-03 Sarah Stein Children's training utensils promoting the proper use thereof
USD835491S1 (en) 2017-08-10 2018-12-11 Xin Zhang Pliers grip handles
USD859111S1 (en) 2017-10-20 2019-09-10 Xin Zhang Pliers jaw
USD845728S1 (en) 2017-10-20 2019-04-16 Xin Zhang Pliers with a pivot area
USD977608S1 (en) * 2022-05-24 2023-02-07 Shenzhen Banmiao Technology Co., Ltd. Crimper pliers
USD1043305S1 (en) * 2022-07-18 2024-09-24 Carl Kammerling International Limited Plier handle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1882095A (en) * 1931-10-22 1932-10-11 Reggitts John Tool for fastening sash weight cords
DE1905784A1 (de) * 1969-02-06 1970-09-03 Sarvie Walter Leonhard Zangenartiges Werkzeug mit einer Verriegelungs- oder Festlegeeinrichtung und Verfahren zu seiner Herstellung
DE2041742A1 (de) * 1970-08-22 1972-02-24 Josef Krampe Zange
JPS5039899B1 (da) * 1970-09-25 1975-12-20
FR2215294B3 (da) * 1973-01-29 1976-01-30 Busseau Suzanne Fr
DE7525115U (de) * 1975-08-07 1975-12-11 Moeller W Kg Zangenfoermiges handwerkzeug insbesondere zange schneider schere o.dgl.
DE3019734C2 (de) * 1980-05-23 1986-03-27 Werner Möller GmbH & Co KG, 5630 Remscheid Griffausbildung an einem zangenförmigen Handwerkzeug, insbesondere Zange, Schneider, Schere o.dgl.
ATE16904T1 (de) * 1982-03-16 1985-12-15 Beermann Kg Martor Argentax Werkzeuggriff fuer eine darin insbesondere laengsverschiebliche messerklinge.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117899C1 (en) * 1991-05-31 1992-11-26 Orbis-Werk Groten Gmbh + Co Kg, 4422 Ahaus, De Pliers for metal work - has support leg on one leg to take force from grip leg

Also Published As

Publication number Publication date
FI87054B (fi) 1992-08-14
DK612386D0 (da) 1986-12-18
EP0228032A2 (de) 1987-07-08
FI865161A0 (fi) 1986-12-17
NO865083L (no) 1987-06-22
DE3672108D1 (de) 1990-07-26
DK161436B (da) 1991-07-08
NO165712B (no) 1990-12-17
US4829858A (en) 1989-05-16
ATE53952T1 (de) 1990-07-15
DK161436C (da) 1991-12-23
GR900300020T1 (en) 1991-07-31
DK612386A (da) 1987-06-21
JPS62176781A (ja) 1987-08-03
ES2016248B3 (es) 1990-11-01
FI865161A (fi) 1987-06-21
NO165712C (no) 1991-03-27
DE3545411A1 (de) 1987-06-25
DE3545411C2 (da) 1988-02-18
EP0228032A3 (en) 1987-12-16
FI87054C (fi) 1992-11-25
NO865083D0 (no) 1986-12-16
GR3001013T3 (en) 1991-12-30

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