EP0295725B1 - Pince - Google Patents

Pince Download PDF

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Publication number
EP0295725B1
EP0295725B1 EP88200733A EP88200733A EP0295725B1 EP 0295725 B1 EP0295725 B1 EP 0295725B1 EP 88200733 A EP88200733 A EP 88200733A EP 88200733 A EP88200733 A EP 88200733A EP 0295725 B1 EP0295725 B1 EP 0295725B1
Authority
EP
European Patent Office
Prior art keywords
jaw
handle
guide arm
tool according
connecting bar
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
EP88200733A
Other languages
German (de)
English (en)
Other versions
EP0295725A1 (fr
Inventor
Hans Undinn
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.)
Ca Weidmueller & Co KG GmbH
Original Assignee
Ca Weidmueller & Co KG 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 Ca Weidmueller & Co KG GmbH filed Critical Ca Weidmueller & Co KG GmbH
Publication of EP0295725A1 publication Critical patent/EP0295725A1/fr
Application granted granted Critical
Publication of EP0295725B1 publication Critical patent/EP0295725B1/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
    • B25B7/02—Jaws
    • B25B7/04—Jaws adjustable
    • 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
    • B25B7/18—Adjusting means for the operating arms

Definitions

  • the invention relates to a plier-like device of the type mentioned in the preamble of claim 1.
  • Pliers of this type are used when special circumstances preclude the swiveling movement of one jaw, which is otherwise usual with pliers, with respect to the other.
  • Such a circumstance is e.g. the design of both jaws with a number of projecting ribs which interlock at least in the closed position of the jaws, e.g. 6 in US-A-4,381,661 (hereinafter referred to as the patent).
  • the one jaw moves in a straight line and is driven by a tab or lever which is arranged between this jaw and one of the handles and attached to the two parts is pivotally connected.
  • This solution entails a greater overall length of the device because the lever mentioned requires additional space and the handles extend essentially in the direction of movement of the displaceable jaw.
  • both jaws of the type mentioned above are pivotally connected to one jaw carrier in order to align each other in parallel position when approaching (Fig. 6), or they are provided with a parallel guide mechanism (Fig. 7, 13) which consists of a straight guide rod rigidly connected to one jaw and a straight guide provided on the other jaw for this rod.
  • a parallel guide mechanism consists of a straight guide rod rigidly connected to one jaw and a straight guide provided on the other jaw for this rod.
  • a compressible elastic member can be arranged to achieve improved function, for example greater force when processing larger objects than when dealing with smaller objects.
  • the force transmission path is understood here to mean the sequence of components and pin organs connecting them, via which the external force acting on the device at the starting point of the force transmission path (e.g. pressure exerted by the user on a handle) is transmitted to the jaw element acting on the object being processed (end point of the force transmission path) becomes.
  • the activation of the elastic element in this known arrangement has the consequence that the length of the force transmission path changes somewhat when the elastic element is pressed together, for example it shortens, although this change can be quite small depending on the design and placement of the elastic element.
  • US-A-3,157,075 describes a crimping tool with elongated first and second jaw carriers, each for receiving one jaw, which are arranged by means of a parallel guide for parallel movement from and to one another.
  • the parallel guide has a first and a second guide arm, which, when they intersect, are pivotally connected to one another in a central articulation point by a central pivot pin that is immovably mounted in both guide arms.
  • the two guide arms are articulated on both sides of the central articulation point at equal intervals to the jaw supports by means of an outer articulation pin, one of the outer articulation pins being immovable and the other being slidably arranged in an elongated hole extending transversely to the said jaw movement.
  • the device has a first and a second handle, both of which are rigidly combined with one of the guide arms mentioned to form a unit, with a locking mechanism to prevent premature opening of the handles is provided, which has a row of teeth arranged on a separate backdrop and cooperating with a locking hook.
  • the backdrop is connected to a handle by means of a pin having an eccentric central part, so that an adjustment can be carried out by changing the rotational position of this pin.
  • the device has no force transmission mechanism, since, as already mentioned, both handles are rigidly or integrally connected to the guide arm in question.
  • the jaws consist of a pair of crimping dies into which the conductor to be stripped can be inserted from the side, and the pliers are rather bulky, especially when open.
  • the present invention has for its object to provide a device of the latter, or in the preamble of the appended claim 1, which has a compact design advantageous power transmission from one of the handles to both jaws, and also the installation of a function-promoting elastic element, and the use of rigidly mounted jaws enables the machined object into the so-called front entry, ie can be inserted from the front (i.e. essentially in the direction of the handles) instead of from the side.
  • the pliers device has a first handle 21 and a second handle 22, as well as a first elongated jaw carrier 11A and a second elongated jaw carrier 12A.
  • the two jaw carriers 11A, 12A each carry a rigidly connected jaw 11, 12.
  • the pliers device is also provided with a parallel guide for the two jaw carriers 11A, 12A, which consists of a first guide arm 21A and a second guide arm 34. Both guide arms intersect, and the first guide arm 21A is rigidly connected to the first handle 21, or preferably made in one piece with it as a unit 10, and extends essentially in the same direction as this, ie it essentially forms one rectilinear continuation of the first handle 21. If necessary, the first guide arm can also do something with respect to the first handle 21 be laterally offset as shown at 21A ⁇ .
  • the second guide arm 34 forms an independent unit which is not rigidly connected to any other part.
  • Both guide arms 21A, 34 have a central and two outer articulation points. In the central articulation point, both guide arms 21A, 34 are pivotally connected to one another by means of a central pivot pin 31, which is non-displaceably mounted in both guide arms.
  • Each guide arm has an outer articulation point on each side of the central articulation point, in which it is pivotably connected to one of the jaw supports 11A, 12A by means of outer pivot pins 32, 35 or 33, 36. All outer articulation points are at the same distance a from the central articulation point.
  • the first jaw support 11A is pivotally connected to the first guide arm 21A in the outer pivot point closer to the jaw 11 by means of the outer pivot pin 32, and to the second guide arm 34 in the outer pivot point remote from the jaw 11 by means of the outer pivot pin 33.
  • the second jaw support 12A is pivotally connected to the second guide arm 24 at the outer articulation point closer to the jaw 12 by means of the outer pivot pin 36, and in the outer articulation point located further from the jaw 12 by means of the outer pivot pin 35 to the first guide arm 21A.
  • the pivot pins 32 and 36 are immovably mounted in round holes in the two parts which connect them, while the outer pivot pins 33, 35 arranged in the outer articulation points further from the jaws 11, 12 each only in one of the two parts, which they connect to each other, immovable, that is, stored in a round hole, and in the second part slidably in an angularly extending to and from each other P of the jaw carrier extending slot 33 ', 35' are mounted.
  • the pivot pin 33 is in a round hole in the second guide arm 34 and in the slot 33 'in the first jaw support 11A
  • the pivot pin 35 is mounted in a round hole in the first guide arm 21A and in the slot 35' in the second jaw support 12A.
  • the two jaw carriers 11A, 12A are designed on their mutually facing edges at 11A 'and 12A' so that they bypass the central pivot pin 31 even when they are closest to one another.
  • the second handle 22 is in a manner known per se by means of a first connecting lug 23, which is connected to the second handle 22 at one end by means of a pivot pin 23A, and to the one of the first handle 21 and the first guide arm 21A at the other end by means of a pivot pin 23B existing rigid assembly 10 is articulated, pivotally connected to this unit 10.
  • a second connecting bracket 24 is articulated at one end thereof by means of a pivot pin 24A.
  • this second connecting lug 24 which forms a transmission link (for transmitting the force acting on the second handle 22), is articulated on the second jaw carrier 12A by means of the outer pivot pin 36 already mentioned.
  • the first connecting bracket 23 has a crosswise to the connecting line S of its two pivot pins 23A, 23B in the direction of the free ends 21 ', 22' (Fig. 4) of the handles 21, 22 extending spur 23 ° C, in the closed position shown of the device rests on an elastic member, for example a plastic or rubber block 21B, which is mounted in the first handle 21 and which partially protrudes.
  • an elastic member for example a plastic or rubber block 21B, which is mounted in the first handle 21 and which partially protrudes.
  • the jaws 11, 12 are provided in a manner known per se with a plurality of projecting ribs 111, 112 which have chamfered edges or engagement surfaces 111 ', 112' which, when the two jaws 11, 12 approach each other, have a receiving space for form a workpiece to be machined, which has a quadrangular cross section, which decreases with increasing approach of the jaws.
  • By means of backward extensions 11 ⁇ , 12 ⁇ which can be inserted into the jaw supports 11A, 12A (for example by being, like the second guide arm 34, 2.5 mm thick) and with the help of screws 11 ', 12', the jaws 11 , 12 immobile, ie rigid, to the respective jaw carrier 11A, 12A.
  • An object to be processed can be introduced "from the front", ie in the direction of arrow Q in FIG. 1, into the pair of jaws 11, 12.
  • the device works in the following way:
  • the pivot pin 24A when the spring 21C is overcome, describes a circular path with the center in the pivot pin 23A, which has the consequence that the second connecting plate 24 over the outer pivot pin 36 the second jaw carrier 12A presses against the first rack support 11A.
  • the second guide arm 34 pivots the first jaw support 11A around the outer pivot pin 32, the outer pivot pin 33 moving in the elongated hole 33 'to the outer end of this elongated hole.
  • the second jaw support 12A shifts somewhat to the left in FIG. 1, since the outer pivot pin 36 describes a circular path with the center in the central pivot pin 31. This shift is possible thanks to the slot 35 '.
  • the pivot pin 33 is also mounted in a round hole in the first jaw support 11A and in an elongated hole in the second guide arm 34, and the pivot pin 35 in an elongated hole in the first guide arm 21A and in a round hole in the second jaw support 12A can.
  • the second handle 22 can be moved a little further in the direction of the arrow R , causing the pivoting of the the first connecting tab 23 comes around the pivot pin 23B by the extension 23 ° C compressing the elastic member 21B.
  • this achieves the same effect as when an elastic element is switched into the force transmission path, although the elastic element 21B outside this path, which runs from the handle 22 via the pivot pins 23A, 24A, 36 to the jaw 12 and does not change its length, is arranged.
  • a between the pivot pin 24A and an anchoring pin 21C 'acting tension spring 21C keeps the device in the unloaded position in which the jaws and the handles are the most apart.
  • the device according to the invention can advantageously be manufactured in a manner known per se such that some of its components each consist of two side plates arranged parallel to one another at a preselected mutual distance. Then, e.g. the second guide arm 34 as a single, e.g. 2.5 mm thick steel plate, the two jaw supports as two 2.5 mm apart and e.g. 1.5 mm thick steel plates, and the first guide arm 21A as two 5.5 mm apart and e.g. 1.5 mm thick steel plates. The two side plates of the jaw carriers can then enclose the second guide arm, and the two side plates of the first guide arm can enclose the two jaw carriers. Other combinations of parts consisting of double plates and parts consisting of a single plate are also possible.
  • the pivot pins can consist of cylindrical bodies of corresponding length (for example, the pivot pin 32 a little over 8.5 mm long), which have a circumferential track at both ends in which a spring ring lying on the outside of the relevant side plate is arranged.
  • FIG. 3 shows a first modified embodiment of the device according to FIGS. 1 and 2, which differs in that the elastic element 21B between a rigid extension 21E of the first handle 21 or the unit 10 and the connecting strap 23, which are in this If there is no extension, is switched on (and can be attached to any of the two parts mentioned).
  • the elastic member 21B has to act between the unit 10 or a part rigidly connected to it, and the connecting tab 23 at a location remote from the connecting pin 23B thereof of the unit 10; another example is shown later in FIG. 7.
  • FIG. 5 shows a second modified embodiment of the device according to FIGS. 1 and 2, in which the elastic member 21B is embedded in the extension 23C.
  • the unit 10 In its part forming the first guide arm 21A, the unit 10 has a somewhat different shape which covers the first jaw carrier 11A to a greater extent.
  • the elastic element or link must always be arranged at a distance from the pivot pin, which connects the connecting strap to the handle against which (or a part rigidly connected to it) the elastic element acts, and which also acts on another part (e.g. one of the jaw carriers) can be connected to a rigid unit.
  • FIG. 6 shows a second embodiment, which differs from the embodiment according to FIG. 1 or 5 essentially in that the first handle 21 is rigidly connected to the first jaw carrier 11A 'to form a unit 10', while the first guide arm 21A ', equal to the second guide arm 34, forms an independent unit which is rigidly connected to no other part. The operation of the device is unchanged.
  • Both guide arms 21A ', 34 are housed within the unit 10', one of them consisting of a single plate, and the other of two plates surrounding the single plate.
  • the central pin 31 ' ends on the surface of the guide arm consisting of two plates.
  • the second jaw support 12A also consists of two side plates which are slightly bent outwards at 12A 'so that they can enclose the unit 10'. In the side walls (side plates) of the unit 10 ', an obliquely extending elongated hole 10A is arranged, which has a greater width than the thickness of the pin 35 and thus allows this pin 35 the necessary freedom of movement.
  • the arrangement of the elastic element according to the present invention outside the power transmission path also enables compensation for inaccuracies that arise both during manufacture and during use.
  • the elastic element and its abutment are dimensioned and arranged such that the elastic element is somewhat compressed by the abutment when the two handles 21, 22 are in the most open position, as in FIG. 5 is shown.
  • the presence or occurrence of inaccuracies in one sense or another manifests itself as a decrease or increase in the preselected pressure value.
  • the pressure with which the abutment acts on the elastic element can be adjusted or adjusted.
  • This can e.g. B. can be achieved in that the storage of the elastic element and / or the abutment is adjustable, e.g. by means of adjusting screws.
  • An advantageous setting option is shown in FIG. 7.
  • the wedge-shaped cushion 21B made of plastic or rubber u. The like. Is arranged in a somewhat longer bed 21C and can be moved therein in the sense of the double arrow T. With a shift towards the free ends 21 ', 22' of the handles 21, 22, the pressure acting is reduced, and increased with a shift in the opposite direction.
  • the cushion 21B is secured in the selected position.
  • the first connecting bracket 23 ' has a rectilinear extension 23C', and in the unit 10 'there is a stop 21D for a cushion 21B which acts as a compensating element in the manner just described.
  • the cushion 21B can either be attached to the stop 21D, or to the extension 23C ', or to another part; it is essential that it is switched between the stop 21D and the extension 23C '. In each of these cases, inaccuracies are compensated automatically by changing the preselected initial value of the compression in one sense or the other.
  • the extension or extension of the first connecting link 23, 23 ' which has to act against the elastic element, can also run in a different direction beyond the pin 23B than shown in the drawing, for example upwards in Fig. 7, if a stop similar to the stop 21D in FIG. 7 is arranged at a corresponding point.
  • the elastic element can also be made from a spring, e.g. a curved leaf spring can exist. It should be noted that in the arrangement of the elastic member according to the invention, the force transmission path defined at the outset is "rigid" to the same extent as in pliers that are not provided with an elastic member.
  • pliers of this type with a locking mechanism to prevent them from opening prematurely.
  • a locking mechanism consists of an arched row of teeth and a spring-loaded locking hook engaging with this row of teeth.
  • the row of teeth is arranged on the first connecting link or, as is shown in the cited patent specification in FIG. 1, on a separate component rigidly connected to said link. 8 shows a pair of pliers according to the invention without the first connecting strap, the second handle 22 being articulated on a rigid extension 10B of the unit 10.
  • the device is provided with a locking mechanism of the type mentioned above, and an arcuate row of teeth 24 'is arranged on the end of the second connecting tab 24 facing the second handle 22 and centered on the pin 24A.
  • the spring 13A is anchored at 13A 'inside the second handle 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (10)

  1. Pince comprenant un premier et un deuxième supports de mâchoire allongés (11A, 11A" ; 12A) qui sont destinés à recevoir chacun une mâchoire (11, 12) et sont équipés d'un guidage parallèle pour effectuer un déplacement parallèle (P) en s'éloignant ou en se rapprochant l'un de l'autre, le guidage parallèle présentant un premier bras de guidage (21A, 21A') et un deuxième bras de guidage (34) qui, en se croisant, sont reliés entre eux, en un point d'articulation central, par un pivot central (31) qui est monté fixe dans les deux bras de guidage (21A, 21A', 34), et les deux bras de guidage (21A, 21A', 34) étant articulés sur les supports de mâchoire (11A, 11A', 12A) au moyen de pivots extérieurs (32, 33, 35, 36) situés de part et d'autre du point d'articulation central, à égales distances (a) de ce dernier, l'un des pivots extérieurs (32, 36) étant monté fixe dans le support de mâchoire (11A, 11A', 12A) et dans le bras de guidage (21A, 21A', 34) et l'autre pivot extérieur (33, 35) étant monté mobile dans l'une des pièces mentionnées (11A, 11A', 12A ; 21A, 21A', 34) dans un trou longitudinal (33', 35') s'étendant transversalement au déplacement mentionné (P) des mâchoires, et la pince présentant en outre une première et une deuxième branches (21, 22), la première (21) étant reliée rigidement au premier support de mâchoire et au premier bras de guidage formant ainsi une unité (10, 10'), caractérisée en ce que
    - la deuxième branche (22) est reliée de manière connue à une unité (10, 10') comprenant la première branche (21) au moyen d'une première éclisse de raccordement (23) articulée de part et d'autre ;
    - au moins l'un des bras de guidage (21A, 21A', 34) est réalisé sous la forme d'une unité indépendante, reliée rigidement à aucune autre pièce ;
    - la deuxième branche (22) est reliée au deuxième support de mâchoire (12A) et en même temps au bras de guidage (21A, 21A', 34) réalisé sous forme d'unité indépendante au moyen d'une deuxième éclisse de raccordement (24) articulée de part et d'autre et de l'un (36) des pivots extérieurs montés fixes,
    - la deuxième éclisse de raccordement (24) étant articulée sur un prolongement (22A) de la deuxième branche (22) s'étendant de l'autre côté du point d'articulation de la première éclisse de raccordement (23).
  2. Pince selon la revendication 1, caractérisée en ce que la première branche (21) est reliée d'une manière connue à l'autre bras de guidage (21) s'étendant pour l'essentiel dans la même direction, pour former l'unité rigide mentionnée (10).
  3. Pince selon la revendication 1, caractérisée en ce que la première branche (21) est reliée au premier support de mâchoire (11A') pour former l'unité rigide mentionnée (10').
  4. Pince selon l'une ou plusieurs des revendications précédentes, caractérisée en ce qu'en un point éloigné du pivot (23B) de la première éclisse de raccordement (23, 23'), un élément ou organe élastique (21B, 21B') est intercalé entre l'une des branches (21, 22), ou une pièce (21E) qui lui est reliée rigidement, d'une part, et la première éclisse de raccordement (23, 23'), ou une pièce (23C, 23C') qui lui est reliée rigidement, d'autre part, de telle manière qu'il soit comprimé au moins dans la phase finale d'un mouvement de fermeture des branches (21, 22) et des supports de mâchoire (11A, 11A', 12A).
  5. Pince selon la revendication 4, caractérisée en ce que l'élément ou organe élastique (21B, 21B') et les pièces (10, 10' ; 23, 23') entre lesquelles il est disposé, sont dimensionnés de telle manière que l'élément ou organe élastique (21B, 21B') soit comprimé de la manière choisie préalablement même lorsque les branches (21, 22) et les supports de mâchoire (11A, 11A', 12A) sont ouverts au maximum.
  6. Pince selon la revendication 4 ou 5, caractérisée en ce que l'élément ou organe élastique (21B') a une position réglable.
  7. Pince selon la revendication 6, caractérisée en ce que l'élément ou organe élastique (21B') est en forme de clavette.
  8. Pince selon l'une ou plusieurs des revendications précédentes, caractérisée en ce qu'elle présente un mécanisme de blocage qui est destiné à éviter une ouverture prématurée et comprend une rangée de dents (24') coopérant avec un crochet de blocage (13), la rangée de dents (24') étant disposée en forme d'arc sur l'extrémité de la deuxième éclisse de raccordement (24) raccordée à la deuxième branche (22) et étant centrée par rapport au pivot (24A) de la deuxième éclisse de raccordement (24) qui se trouve là.
  9. Pince selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que certaines de ses pièces sont d'une manière connue formées par des plaques latérales disposées parallèlement à distance l'une de l'autre, le bras de guidage (34) réalisé sous forme d'unité indépendante étant constitué d'une seule plaque, l'autre bras de guidage (21A) de deux plaques latérales entourant le bras de guidage (34) mentionné initialement et les deux supports de mâchoire (11A, 12A) de deux plaques latérales entourant l'autre bras de guidage (21A).
  10. Pince selon l'une ou plusieurs des revendications précédentes, caractérisée en ce qu'elle est munie de mâchoires (11, 12) qui permettent une introduction par l'avant de l'objet à travailler.
EP88200733A 1987-06-16 1988-04-18 Pince Expired - Lifetime EP0295725B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8702499 1987-06-16
SE8702499A SE8702499D0 (sv) 1987-06-16 1987-06-16 Tangartat verktyg

Publications (2)

Publication Number Publication Date
EP0295725A1 EP0295725A1 (fr) 1988-12-21
EP0295725B1 true EP0295725B1 (fr) 1992-03-04

Family

ID=20368874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88200733A Expired - Lifetime EP0295725B1 (fr) 1987-06-16 1988-04-18 Pince

Country Status (4)

Country Link
US (1) US4825735A (fr)
EP (1) EP0295725B1 (fr)
DE (1) DE3868703D1 (fr)
SE (1) SE8702499D0 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008515A1 (de) * 1990-03-16 1991-09-19 Zoller & Froehlich Hand-pressgeraet
US5138864A (en) * 1990-12-28 1992-08-18 Ripley Company, Inc. Crimping tool
US5245755A (en) * 1992-09-02 1993-09-21 Snap-On Tools Corporation Force-multiplying mechanism
FR2765134B1 (fr) * 1997-06-25 1999-09-10 Eloi Pernet Ets Outil a main type pinces
DE19750617B4 (de) * 1997-11-14 2005-12-01 Joachim Geyer Spezialzange
US7086312B1 (en) 2001-12-28 2006-08-08 Kenneth Guy Tortolani Parallel jaw locking toggle wrench/pliers with economic/ergonomic handles
US6427565B1 (en) 2000-11-14 2002-08-06 Great Neck Saw Manufacturers, Inc. Parallel grip plier
US6477884B1 (en) * 2001-05-18 2002-11-12 Kenneth Berntsen Reciprocating saw blade repair device
US7886638B2 (en) * 2005-12-22 2011-02-15 Wiha Werkzeuge Gmbh Pliers
US8381622B2 (en) 2008-08-08 2013-02-26 Kyle Roppolo Hand tool for assembling and disassembling workpieces
EP3396796B1 (fr) * 2017-04-25 2021-07-21 WEZAG GmbH & Co. KG Outil de compression, de sertissage ou de découpe et module d'outils

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747508A (en) * 1953-09-22 1956-04-04 Brindley Ltd H Improvements relating to pliers and like hand-tools
US3157075A (en) * 1962-01-17 1964-11-17 Sargent & Co Plier type tool with motion-compelling mechanism
BE786317A (fr) * 1971-07-15 1973-01-15 Wilkinson Sword Ltd Outil a main perfectionne
GB1581725A (en) * 1976-12-15 1980-12-17 Pressmaster Ab Appliances having cooperating working jaws
US4283933A (en) * 1977-11-18 1981-08-18 Pressmaster A.B. Gripping or pressing tool
US4381661A (en) * 1980-03-19 1983-05-03 C. A. Weidmuller Gmbh & Co. Tool having two working jaws
US4403497A (en) * 1981-05-11 1983-09-13 Matteucci Felix V Bead bending tool
SE8401418D0 (sv) * 1984-03-14 1984-03-14 Weidmueller C A Gmbh Co Sperranordning for ett verktyg

Also Published As

Publication number Publication date
EP0295725A1 (fr) 1988-12-21
DE3868703D1 (de) 1992-04-09
SE8702499D0 (sv) 1987-06-16
US4825735A (en) 1989-05-02

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