EP0840666B1 - Tool with adjustable hinged handles - Google Patents

Tool with adjustable hinged handles Download PDF

Info

Publication number
EP0840666B1
EP0840666B1 EP96926442A EP96926442A EP0840666B1 EP 0840666 B1 EP0840666 B1 EP 0840666B1 EP 96926442 A EP96926442 A EP 96926442A EP 96926442 A EP96926442 A EP 96926442A EP 0840666 B1 EP0840666 B1 EP 0840666B1
Authority
EP
European Patent Office
Prior art keywords
spherical member
bores
oblong
handle
rack
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
EP96926442A
Other languages
German (de)
French (fr)
Other versions
EP0840666A1 (en
Inventor
André Laurencot
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.)
Bost Garnache Industries BGI SAS
Original Assignee
Bost Garnache Industries BGI SAS
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 Bost Garnache Industries BGI SAS filed Critical Bost Garnache Industries BGI SAS
Publication of EP0840666A1 publication Critical patent/EP0840666A1/en
Application granted granted Critical
Publication of EP0840666B1 publication Critical patent/EP0840666B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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

Definitions

  • the present invention relates to a tool with articulated branches comprising a device for adjusting the relative spacing of the branches.
  • the invention finds a particularly advantageous application in the field of pliers with variable openings, in particular of the multi-socket type.
  • a clamp consists of two levers retained by an axis integral with one of the levers and mounted rotating in the second.
  • adjustable jaw pliers includes a first type of tool, consisting of two branches connected by a movable hinge pin in an oblong opening in one of them.
  • This opening comprises a succession of notches which cooperate with the axis of articulation so as to offer several positions of use to the branch pivoting about this axis, by simple displacement of said axis in said opening.
  • the notches are distributed over one or both of the long sides of the opening and the axis is provided with one or two flats.
  • this type of device has the disadvantage of generating a rapid wear on the various parts in contact. Indeed, the section of the articulation axis not being circular due to the presence of the flats, it does not work on its entire surface and the different mechanical stresses are only supported by the cylindrical parts directly in contact with the notches. In addition, difficulties frequently occur when adjusting the gap branches due to the need to precisely position the axis of non-cylindrical articulation with respect to the succession of notches carried by the oblong opening. Stuck phenomena are also part disadvantages relating to the use of such a device.
  • variable opening forceps of the prior art incorporates a general constitution substantially identical to that previously described, with the exception of the rack adjustment system which is replaced by a sector articulation system in which, schematically. a curved rib formed on a branch cooperates with grooves of complementary shapes arranged on the surface sliding from the other branch.
  • rack adjustment system which is replaced by a sector articulation system in which, schematically. a curved rib formed on a branch cooperates with grooves of complementary shapes arranged on the surface sliding from the other branch.
  • FR-A-2 361 202 describes a tool with articulated branches comprising a device for adjusting the relative spacing of said branches which is can be operated with one hand and which limits the risk of jamming as well as the interlocking and wear problems encountered in the state of the art. This tool conforms to the preamble of claim 1.
  • the current invention simplifies the structure of this known tool thanks to the part Characterizing of claim 1.
  • the support branch has two circular bores arranged opposite on the two walls enclosing the central branch, which is itself provided an oblong bore positioned opposite said circular bores and provided with a rack cooperating with the thread or threads of the member spherical.
  • the spherical organ takes place in the space defined by these different bores.
  • two bores oblongs are provided opposite on the two walls of the support branch, and each of them is provided with a rack cooperating with the one or more threads of the spherical organ.
  • the central branch has a circular bore positioned opposite said oblong bores of so as to define together a space in which comes to take place the spherical organ.
  • the dimensions and internal shapes of the different bores are able to maintain, between the walls of the support branch, the spherical member movable in translation by with respect to the two oblong and mobile bores in rotation with respect to all the bores.
  • the spherical member present on its external surface at least one helical thread cooperating with at least a rack fitted on one of the branches, the spherical member can be moved easily and precisely relative to the branch on which is arranged the rack, so as to modify the position of the point of articulation of the two branches and consequently adjust their spacing relative. Furthermore, the combination of the thread (s) with the one or more rack and pinion allows for a reliable and precise adjustment device offering infinite stable positions for use, and flexible design of the tool.
  • the spherical member has a single thread on its outer surface.
  • each circular bore advantageously consists of a surface portion spherical, complementary to the part of the spherical organ with which she is in touch.
  • each rack has a shape adapted to the geometry of the surface of the threaded spherical member with which it cooperates and which is function of the position of said rack relative to said member spherical.
  • each rack present longitudinally, at the level of each part intended to come to the contact of said spherical organ, a shape whose surface consists of a longitudinal portion of cylindrical surface.
  • Such a configuration also makes it possible to limit as much as possible the clearance between the different moving parts constituting the articulation of the tool, in order to further improve its precision and reliability.
  • the articulation and adjustment are also combined into a single spherical member.
  • the organ spherical has an internal thread and is suitable only for cooperation with a screw.
  • the invention as thus defined in its two embodiments, has the advantage of being particularly easy to use because of the possibility of adjusting the relative spacing of the branches with one hand.
  • Figure 1 shows a side view of a tool with articulated branches adjustable, according to a first embodiment of the invention.
  • Figure 2 is a top view in partial section showing schematically the articulation of the tool illustrated in Figure 1.
  • Figure 3 is a partial side view illustrating the cooperation between the threaded spherical member and the rack carried by the central branch. according to the first embodiment.
  • FIG. 4 is a side view of a tool with articulated branches adjustable, according to a second embodiment.
  • Figure 5 is a top view in partial section showing schematically the articulation of the tool illustrated in Figure 4.
  • Figure 6 is a partial side view illustrating the cooperation between the threaded spherical member and one of the racks carried by one of the walls of the support branch, in accordance with the second embodiment.
  • Figures 1 and 4 show a tool 1a, 1b with articulated branches adjustable comprising a first branch 3a, 3b said articulated central between the two walls 4, 5 of a second branch 2a, 2b said support by through a spherical organ 6.
  • Each branch ends with a jaw 7, 8 the shape and characteristics of which may vary according to the particular function of the tool and / or the specific conditions of its use.
  • the support branch 2a comprises two circular bores 9a, 10a formed respectively on the walls 4 and 5.
  • the central branch 3a has an oblong bore 11a provided a rack 13a disposed on its two long sides.
  • the spherical member 6 takes place in the space delimited by the different bores 9a, 10a, 11a where it is kept mobile in rotation thanks to the particular internal shape of the circular bores 9a, 10a; form which is constituted by a portion of spherical surface enclosing as close as possible said member 6, without blocking it.
  • Figure 3 shows, more particularly, the cooperation between the thread 15 present on the outer surface of the spherical member 6 and the rack 13a disposed along the oblong bore 11a.
  • Organ 6 spherical, mobile in rotation around an axis parallel to the following direction which is arranged the rack 13a, can thus be moved in translation along said rack 13a, by simple screwing or unscrewing.
  • the branch 2a support is mounted mobile in rotation around a articulation means constituted by a spherical threaded member 6, the position relative to the central branch 3a can be changed in order to adjust the relative spacing of said branches 2a, 3a.
  • the branch 2b support is provided with two oblong bores 9b and 10b provided respectively on walls 4 and 5 and each provided with a rack respectively 13b, 14b.
  • the central branch 3b has only one bore 11b circular.
  • the spherical member 6 is there also arranged in space delimited by the three bores 9b, 10b, 11b ( Figure 5) and also includes on its outer surface a thread 15 which cooperates with the two racks 13b, 14b.
  • each rack 13b, 14b has longitudinally, at level of each part intended to come into contact with the spherical member 6b threaded in order to cooperate with it, a shape whose surface consists of a longitudinal portion of cylindrical surface. This conformation allows thus to keep said movable member 6b in rotation and this whatever its position relative to said racks 13b, 14b.
  • the inner shape of the circular bore 11b is in turn constituted by a surface corresponding to a portion of spherical surface complementary to the part central of the spherical organ with which it is in contact.
  • the spherical member 6 is movable in rotation about an axis parallel to the direction in which is arranged each rack.
  • the equatorial part of the outer surface of said member 6 has a non-slip structure able to favor its handling.
  • the pliers are a tool with multiple uses and whose characteristics must be carefully adapted to the intended use.
  • the environment or position of the object to be captured, its nature, its size, the physical constraint or the deformation of one wants to subject him are the main factors to precisely define the shape of the tool.
  • the invention is in no way limited by the features which have been specified in the above or by the details of the embodiments individuals chosen to illustrate said invention. This is particularly the case for the conformation of each rack, as well as the associated thread (s), which can be variable according to the physical constraints to undergo.
  • the invention is not limited to pliers variable openings but more generally concerns any tool with branches articulated comprising an adjustment device making it possible to modify the position of the articulation point of said branches relative to one of them and, therefore, to adjust their relative spacing.

Abstract

A tool (1a) with adjustable hinged handles, particularly adjustable pliers, consisting of a first, central handle (3a) pivotably mounted between two walls (4) of a second, supporting handle (2a) by a hinge means. The hinge means consists of a spherical member (6) translatably movable relative to one of the two handles and rotatably movable relative to the other handle. The outer surface of said member includes a helical screw thread (15) engaging at least one rack (13a) on one of the handles (3a). The tool may be used as adjustable pliers, particularly gripping pliers.

Description

La présente invention concerne un outil à branches articulées comportant un dispositif de réglage de l'écartement relatif des branches.The present invention relates to a tool with articulated branches comprising a device for adjusting the relative spacing of the branches.

L'invention trouve une application particulièrement avantageuse dans le domaine des pinces à ouvertures variables, notamment de type multiprise.The invention finds a particularly advantageous application in the field of pliers with variable openings, in particular of the multi-socket type.

D'une manière générale, une pince est constituée de deux leviers retenus par un axe solidaire d'un des leviers et monté tournant dans le deuxième.Generally, a clamp consists of two levers retained by an axis integral with one of the levers and mounted rotating in the second.

L'état de la technique correspondant aux pinces à mâchoires réglables comprend un premier type d'outil, constitué de deux branches reliées par un axe d'articulation mobile dans une ouverture oblongue ménagée dans l'une d'elles. Cette ouverture comporte une succession de crans qui coopèrent avec l'axe d'articulation de manière à offrir plusieurs positions d'utilisation à la branche pivotant autour de cet axe, par simple déplacement dudit axe dans ladite ouverture. Selon la configuration adoptée, les crans sont répartis sur l'un ou sur les deux grands côtés de l'ouverture et l'axe est pourvu d'un ou deux méplats.The state of the art corresponding to adjustable jaw pliers includes a first type of tool, consisting of two branches connected by a movable hinge pin in an oblong opening in one of them. This opening comprises a succession of notches which cooperate with the axis of articulation so as to offer several positions of use to the branch pivoting about this axis, by simple displacement of said axis in said opening. Depending on the configuration adopted, the notches are distributed over one or both of the long sides of the opening and the axis is provided with one or two flats.

Ce type de dispositif présente toutefois l'inconvénient d'engendrer une usure rapide au niveau des différentes parties en contact. En effet, la section de l'axe d'articulation n'étant pas circulaire de part la présence du ou des méplats, celui-ci ne travaille pas sur toute sa surface et les différentes contraintes mécaniques ne sont supportées que par les parties cylindriques directement en contact avec les crans. De plus, des difficultés d'enclenchement surviennent fréquemment lors du réglage de l'écartement des branches en raison de la nécessité de positionner précisément l'axe d'articulation non cylindrique par rapport à la succession de crans portée par l'ouverture oblongue. Des phénomènes de coincements font également partie des inconvénients relatifs à l'utilisation d'un tel dispositif.However, this type of device has the disadvantage of generating a rapid wear on the various parts in contact. Indeed, the section of the articulation axis not being circular due to the presence of the flats, it does not work on its entire surface and the different mechanical stresses are only supported by the cylindrical parts directly in contact with the notches. In addition, difficulties frequently occur when adjusting the gap branches due to the need to precisely position the axis of non-cylindrical articulation with respect to the succession of notches carried by the oblong opening. Stuck phenomena are also part disadvantages relating to the use of such a device.

Le second type de pince à ouverture variable de l'état de la technique reprend une constitution générale sensiblement identique à celle précédemment décrite, à l'exception du système de réglage à crémaillère qui est remplacé par un système d'articulation à secteurs dans lequel, schématiquement. une nervure courbe ménagée sur une branche coopère avec des rainures de formes complémentaires disposées sur la surface coulissante de l'autre branche. On retrouve également avec ce système les problèmes d'enclenchement et de coincement rencontrés avec l'autre type de pince, même s'ils sont ici d'origine différente en raison de la nature particulière du dispositif d'articulation réglable.The second type of variable opening forceps of the prior art incorporates a general constitution substantially identical to that previously described, with the exception of the rack adjustment system which is replaced by a sector articulation system in which, schematically. a curved rib formed on a branch cooperates with grooves of complementary shapes arranged on the surface sliding from the other branch. We also find with this system the interlocking and jamming problems encountered with the other type of pliers, even if they are here of different origin due to the nature particularity of the adjustable articulation device.

Il est cependant important de noter que dans les deux cas, le réglage de la position relative des mâchoires impose une ouverture quasi maximale des branches de la pince et par conséquent l'usage des deux mains de l'utilisateur, de manière à ce que le pivotement de la branche portant l'ouverture oblongue autour de l'axe d'articulation puisse être combiné avec le déplacement dudit axe dans ladite ouverture.It is however important to note that in both cases, the setting of the relative position of the jaws imposes an almost maximum opening branches of the pliers and therefore the use of both hands the user, so that the pivoting of the branch bearing the oblong opening around the hinge axis can be combined with the displacement of said axis in said opening.

Par ailleurs, le FR-A-2 361 202 décrit un outil à branches articulées comportant un dispositif de réglage de l'écartement relatif desdites branches qui est manipulable d'une seule main et qui permet de limiter les risques de coincement ainsi que les problèmes d'enclenchement et d'usure rencontrés dans l'état de la technique. Cet outil est conforme au préambule de la revendication 1.Furthermore, FR-A-2 361 202 describes a tool with articulated branches comprising a device for adjusting the relative spacing of said branches which is can be operated with one hand and which limits the risk of jamming as well as the interlocking and wear problems encountered in the state of the art. This tool conforms to the preamble of claim 1.

La présente invention, simplifie la structure de cet outil connu grâce à la partie caractérisante de la revendication 1.The current invention, simplifies the structure of this known tool thanks to the part Characterizing of claim 1.

Selon un premier mode de réalisation de l'outil conforme à l'invention, la branche support comporte deux alésages circulaires disposés en vis-à-vis sur les deux parois enserrant la branche centrale, qui est elle même pourvue d'un alésage oblong positionné en regard desdits alésages circulaires et pourvu d'une crémaillère coopérant avec le ou les filetages de l'organe sphérique. L'organe sphérique vient prendre place dans l'espace défini par ces différents alésages. Ceux-ci présentent avantageusement des dimensions et des formes intérieures aptes à assurer le maintien, entre lesdites parois de la branche support, de l'organe sphérique mobile en translation par rapport à l'alésage oblong et mobile en rotation par rapport à l'ensemble des alésages.According to a first embodiment of the tool according to the invention, the support branch has two circular bores arranged opposite on the two walls enclosing the central branch, which is itself provided an oblong bore positioned opposite said circular bores and provided with a rack cooperating with the thread or threads of the member spherical. The spherical organ takes place in the space defined by these different bores. These advantageously have dimensions and interior shapes capable of ensuring the maintenance, between said walls of the support branch, of the spherical member movable in translation relative to the oblong and mobile bore in rotation relative to all of the bores.

Selon un second mode de réalisation de l'invention, deux alésages oblongs sont ménagés en vis-à-vis sur les deux parois de la branche support, et chacun d'eux est pourvu d'une crémaillère coopérant avec le ou les filetages de l'organe sphérique. La branche centrale quant à elle est dotée d'un alésage circulaire positionné en regard desdits alésages oblongs de manière à définir ensemble un espace dans lequel vient prendre place l'organe sphérique. Dans ce mode de réalisation, les dimensions et les formes intérieures des différents alésages sont aptes à maintenir, entre les parois de la branche support, l'organe sphérique mobile en translation par rapport aux deux alésages oblongs et mobiles en rotation par rapport à l'ensemble des alésages.According to a second embodiment of the invention, two bores oblongs are provided opposite on the two walls of the support branch, and each of them is provided with a rack cooperating with the one or more threads of the spherical organ. The central branch has a circular bore positioned opposite said oblong bores of so as to define together a space in which comes to take place the spherical organ. In this embodiment, the dimensions and internal shapes of the different bores are able to maintain, between the walls of the support branch, the spherical member movable in translation by with respect to the two oblong and mobile bores in rotation with respect to all the bores.

Grâce au fait que, suivant l'invention, l'organe sphérique présente sur sa surface externe au moins un filetage hélicoïdal coopérant avec au moins une crémaillère aménagée sur l'une des branches, l'organe sphérique peut être déplacé facilement et précisément par rapport à la branche sur laquelle est disposée la crémaillère, de manière à modifier la position du point d'articulation des deux branches et par conséquent régler leur écartement relatif. Par ailleurs, la combinaison du ou des filetages avec le ou les crémaillères permet de réaliser un dispositif de réglage fiable et précis offrant une infinité de positions d'utilisation stables, et une souplesse de conception de l'outil.Thanks to the fact that, according to the invention, the spherical member present on its external surface at least one helical thread cooperating with at least a rack fitted on one of the branches, the spherical member can be moved easily and precisely relative to the branch on which is arranged the rack, so as to modify the position of the point of articulation of the two branches and consequently adjust their spacing relative. Furthermore, the combination of the thread (s) with the one or more rack and pinion allows for a reliable and precise adjustment device offering infinite stable positions for use, and flexible design of the tool.

Selon un mode de réalisation préféré de l'invention, l'organe sphérique comporte un unique filetage sur sa surface extérieure.According to a preferred embodiment of the invention, the spherical member has a single thread on its outer surface.

Les formes intérieures des différents alésages sont définies de manière à permettre un maintien précis de l'organe sphérique entre les parois de la branche support, tout en préservant sa mobilité en translation et en rotation par rapport aux différents alésages. A cet effet, la forme intérieure de chaque alésage circulaire est constituée avantageusement par une portion de surface sphérique, complémentaire de la partie de l'organe sphérique avec laquelle elle est en contact. Dans le même but et selon un mode de réalisation préféré de l'invention, chaque crémaillère présente une forme adaptée à la géométrie de la surface de l'organe sphérique fileté avec laquelle elle coopère et qui est fonction de la position de ladite crémaillère par rapport audit organe sphérique. De manière particulièrement avantageuse, chaque crémaillère présente longitudinalement, au niveau de chaque partie destinée à venir au contact dudit organe sphérique, une forme dont la surface est constituée par une portion longitudinale de surface cylindrique.The internal shapes of the different bores are defined so to allow precise maintenance of the spherical organ between the walls of the support branch, while preserving its mobility in translation and rotation compared to the different bores. For this purpose, the interior shape of each circular bore advantageously consists of a surface portion spherical, complementary to the part of the spherical organ with which she is in touch. For the same purpose and according to a preferred embodiment of the invention, each rack has a shape adapted to the geometry of the surface of the threaded spherical member with which it cooperates and which is function of the position of said rack relative to said member spherical. In a particularly advantageous manner, each rack present longitudinally, at the level of each part intended to come to the contact of said spherical organ, a shape whose surface consists of a longitudinal portion of cylindrical surface.

Une telle configuration permet également de limiter au maximum le jeu existant entre les différentes pièces mobiles constituant l'articulation de l'outil, afin d'en améliorer encore la précision et la fiabilité.Such a configuration also makes it possible to limit as much as possible the clearance between the different moving parts constituting the articulation of the tool, in order to further improve its precision and reliability.

Suivant d'autres caractéristiques avantageuses :

  • l'axe de vissage et de dévissage de l'organe sphérique est parallèle à la direction suivant laquelle est disposée la ou chaque crémaillère;
  • la partie équatoriale de la surface extérieure de l'organe sphérique comporte une structure antidérapante.
According to other advantageous characteristics:
  • the screwing and unscrewing axis of the spherical member is parallel to the direction in which the or each rack is disposed;
  • the equatorial part of the outer surface of the spherical member has a non-slip structure.

Dans l'outil selon le GB-A-131 855, les fonctions d'articulation et de réglage sont également combinées en un seul organe sphérique. Toutefois, l'organe sphérique présente un filetage interne et est adapté seulement pour coopérer avec une vis.In the tool according to GB-A-131 855, the articulation and adjustment are also combined into a single spherical member. However, the organ spherical has an internal thread and is suitable only for cooperation with a screw.

L'invention, telle qu'ainsi définie dans ses deux modes de réalisation, présente l'avantage d'être d'une utilisation particulièrement aisée en raison de la possibilité de régler l'écartement relatif des branches d'une seule main.The invention, as thus defined in its two embodiments, has the advantage of being particularly easy to use because of the possibility of adjusting the relative spacing of the branches with one hand.

La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée.The description which follows with reference to the appended drawings, given at as nonlimiting examples, will make it clear what is the invention and how it can be realized.

La figure 1 représente une vue latérale d'un outil à branches articulées réglables, selon un premier mode de réalisation de l'invention.Figure 1 shows a side view of a tool with articulated branches adjustable, according to a first embodiment of the invention.

La figure 2 est une vue de dessus en coupe partielle représentant schématiquement l'articulation de l'outil illustré à la figure 1. Figure 2 is a top view in partial section showing schematically the articulation of the tool illustrated in Figure 1.

La figure 3 est une vue partielle de côté illustrant la coopération entre l'organe sphérique fileté et la crémaillère portée par la branche centrale. conformément au premier mode de réalisation.Figure 3 is a partial side view illustrating the cooperation between the threaded spherical member and the rack carried by the central branch. according to the first embodiment.

La figure 4 est une vue latérale d'un outil à branches articulées réglables, selon un second mode de réalisation.FIG. 4 is a side view of a tool with articulated branches adjustable, according to a second embodiment.

La figure 5 est une vue de dessus en coupe partielle représentant schématiquement l'articulation de l'outil illustré à la figure 4.Figure 5 is a top view in partial section showing schematically the articulation of the tool illustrated in Figure 4.

La figure 6 est une vue partielle de côté illustrant la coopération entre l'organe sphérique fileté et une des crémaillères portée par une des parois de la branche support, conformément au second mode de réalisation.Figure 6 is a partial side view illustrating the cooperation between the threaded spherical member and one of the racks carried by one of the walls of the support branch, in accordance with the second embodiment.

Pour des raisons de clarté, les mêmes éléments ont été désignés par les mêmes références et la représentation des dessins est schématique.For reasons of clarity, the same elements have been designated by the same references and the representation of the drawings is schematic.

Les figures 1 et 4 montrent un outil 1a, 1b à branches articulées réglables comportant une première branche 3a, 3b dite centrale articulée entre les deux parois 4, 5 d'une seconde branche 2a, 2b dite support par l'intermédiaire d'un organe 6 sphérique. Chaque branche est terminée par une mâchoire 7, 8 dont la forme et les caractéristiques peuvent varier selon la fonction particulière de l'outil et/ou les conditions spécifiques de son utilisation.Figures 1 and 4 show a tool 1a, 1b with articulated branches adjustable comprising a first branch 3a, 3b said articulated central between the two walls 4, 5 of a second branch 2a, 2b said support by through a spherical organ 6. Each branch ends with a jaw 7, 8 the shape and characteristics of which may vary according to the particular function of the tool and / or the specific conditions of its use.

Comme on peut le voir sur les figures 1, 2 et 3 illustrant le premier mode de réalisation de l'invention, la branche support 2a comporte deux alésages 9a, 10a circulaires ménagés respectivement sur les parois 4 et 5. La branche centrale 3a comporte quant à elle un alésage 11a oblong pourvu d'une crémaillère 13a disposé sur ses deux grands côtés. Conformément à la figure 2, l'organe 6 sphérique vient prendre place dans l'espace délimité par les différents alésages 9a, 10a, 11a où il est maintenu mobile en rotation grâce à la forme intérieure particulière des alésages 9a, 10a circulaires; forme qui est constituée par une portion de surface sphérique enserrant au plus près ledit organe 6, sans pour autant le bloquer.As can be seen in Figures 1, 2 and 3 illustrating the first embodiment of the invention, the support branch 2a comprises two circular bores 9a, 10a formed respectively on the walls 4 and 5. The central branch 3a has an oblong bore 11a provided a rack 13a disposed on its two long sides. In accordance with the Figure 2, the spherical member 6 takes place in the space delimited by the different bores 9a, 10a, 11a where it is kept mobile in rotation thanks to the particular internal shape of the circular bores 9a, 10a; form which is constituted by a portion of spherical surface enclosing as close as possible said member 6, without blocking it.

La figure 3 montre, plus particulièrement, la coopération entre le filetage 15 présent sur la surface extérieure de l'organe 6 sphérique et la crémaillère 13a disposée le long de l'alésage 11a oblong. L'organe 6 sphérique, mobile en rotation autour d'un axe parallèle à la direction suivant laquelle est disposée la crémaillère 13a, peut ainsi être déplacé en translation le long de ladite crémaillère 13a, par simple vissage ou dévissage. En resumé, la branche 2a support est montée mobile en rotation autour d'un moyen d'articulation constitué par un organe 6 sphérique fileté dont la position par rapport à la branche 3a centrale peut être modifiée afin de régler l'écartement relatif desdites branches 2a, 3a.Figure 3 shows, more particularly, the cooperation between the thread 15 present on the outer surface of the spherical member 6 and the rack 13a disposed along the oblong bore 11a. Organ 6 spherical, mobile in rotation around an axis parallel to the following direction which is arranged the rack 13a, can thus be moved in translation along said rack 13a, by simple screwing or unscrewing. In summarized, the branch 2a support is mounted mobile in rotation around a articulation means constituted by a spherical threaded member 6, the position relative to the central branch 3a can be changed in order to adjust the relative spacing of said branches 2a, 3a.

Dans le second mode de réalisation illustré aux figures 4, 5 et 6 la branche 2b support est dotée de deux alésages 9b et 10b oblongs ménagés respectivement sur les parois 4 et 5 et pourvus chacun d'une crémaillère respectivement 13b, 14b. La branche 3b centrale ne comporte qu'un alésage 11b circulaire. L'organe sphérique 6 est là aussi disposé dans l'espace délimité par les trois alésages 9b, 10b, 11b (figure 5) et comporte également sur sa surface extérieure un filetage 15 qui coopère avec les deux crémaillères 13b, 14b. L'organe 6 sphérique, autour duquel est monté libre en rotation la branche 3b centrale, est par ailleurs maintenu entre les parois 4, 5 de la branche 2b support grâce à la forme intérieure particulière des alésages 9b, 10b oblongs ainsi que des crémaillères 13b, 14b dont ils sont pourvus. Même si cela n'apparaít pas sur la figure 5 qui demeure une représentation schématique de l'articulation de l'outil selon le second mode de réalisation, chaque crémaillère 13b, 14b présente longitudinalement, au niveau de chaque partie destinée à venir au contact de l'organe 6b sphérique fileté afin de coopérer avec lui, une forme dont la surface est constituée par une portion longitudinale de surface cylindrique. Cette conformation permet ainsi de maintenir ledit organe 6b mobile en rotation et ceci quel que soit sa position par rapport auxdites crémaillères 13b, 14b. La forme intérieure de l'alésage 11b circulaire est quant à elle constituée par une surface correspondant à une portion de surface sphérique complémentaire de la partie centrale de l'organe sphérique avec laquelle est en contact.In the second embodiment illustrated in Figures 4, 5 and 6 the branch 2b support is provided with two oblong bores 9b and 10b provided respectively on walls 4 and 5 and each provided with a rack respectively 13b, 14b. The central branch 3b has only one bore 11b circular. The spherical member 6 is there also arranged in space delimited by the three bores 9b, 10b, 11b (Figure 5) and also includes on its outer surface a thread 15 which cooperates with the two racks 13b, 14b. The spherical member 6, around which is freely mounted in rotation, the central branch 3b is also held between the walls 4, 5 of branch 2b support thanks to the particular internal shape of bores 9b, 10b oblong as well as racks 13b, 14b of which they are filled. Even if it does not appear on figure 5 which remains a schematic representation of the articulation of the tool according to the second mode embodiment, each rack 13b, 14b has longitudinally, at level of each part intended to come into contact with the spherical member 6b threaded in order to cooperate with it, a shape whose surface consists of a longitudinal portion of cylindrical surface. This conformation allows thus to keep said movable member 6b in rotation and this whatever its position relative to said racks 13b, 14b. The inner shape of the circular bore 11b is in turn constituted by a surface corresponding to a portion of spherical surface complementary to the part central of the spherical organ with which it is in contact.

Quel que soit le mode de réalisation retenu, l'organe 6 sphérique est mobile en rotation autour d'un axe parallèle à la direction suivant laquelle est disposée chaque crémaillère. De manière avantageuse, la partie équatoriale de la surface extérieure dudit organe 6 comporte une structure antidérapante apte à favoriser sa manipulation.Whatever the embodiment chosen, the spherical member 6 is movable in rotation about an axis parallel to the direction in which is arranged each rack. Advantageously, the equatorial part of the outer surface of said member 6 has a non-slip structure able to favor its handling.

La pince est un outil dont les utilisations sont multiples et dont les caractéristiques doivent être soigneusement adaptées à l'usage envisagé. L'environnement ou la position de l'objet à saisir, sa nature, sa dimension, la contrainte physique ou la déformation de l'on veut lui faire subir sont les principaux facteurs permettant de définir précisément la forme de l'outil. Aussi, l'invention n'est en rien limitée par les particularités qui ont été spécifiées dans ce qui précède ou par les détails des modes de réalisations particuliers choisis pour illustrer ladite invention. C'est le cas notamment de la conformation de chaque crémaillère, ainsi que du ou des filetages associés, qui peut être variable en fonction des contraintes physiques à subir.The pliers are a tool with multiple uses and whose characteristics must be carefully adapted to the intended use. The environment or position of the object to be captured, its nature, its size, the physical constraint or the deformation of one wants to subject him are the main factors to precisely define the shape of the tool. Also, the invention is in no way limited by the features which have been specified in the above or by the details of the embodiments individuals chosen to illustrate said invention. This is particularly the case for the conformation of each rack, as well as the associated thread (s), which can be variable according to the physical constraints to undergo.

Naturellement, et bien que constituant un domaine d'application particulièrement avantageux, l'invention ne se limite pas aux pinces ouvertures variables mais concerne, plus généralement, tout outil à branches articulées comportant un dispositif de réglage permettant de modifier la position du point d'articulation desdites branches par rapport à l'une d'entre elles et, par conséquent, de régler leur écartement relatif.Naturally, and although constituting a field of application particularly advantageous, the invention is not limited to pliers variable openings but more generally concerns any tool with branches articulated comprising an adjustment device making it possible to modify the position of the articulation point of said branches relative to one of them and, therefore, to adjust their relative spacing.

Claims (8)

  1. Tool (1a, 1b) with adjustable hinged handles, notably adjustable pliers, consisting of a first, central handle (3a, 3b) pivotably mounted between two walls (4, 5) of a second, supporting handle (2a, 2b) by a hinge means, one of the handles having at least one oblong bore and the position of the hinge means in the oblong bore being adjustable,
    characterised in that said hinge means is constituted by a spherical member (6) translatably movable with respect to one of the two handles by screwing or unscrewing it and rotatably movable with respect to the other handle, the external surface of said spherical member (6) presenting at least one helical screw thread (15) which engages with a rack (13a, 13b, 14b) incorporated on each of the two opposing faces of the oblong bore, that the handle not incorporating the oblong bore has at least one circular bore, and that the various bores have dimensions and internal forms suited to keeping the spherical member between the walls of the supporting handle.
  2. Tool according to claim 1, characterised in that the supporting handle (2a) has two circular bores (9a, 10a) arranged opposite to one another on the two walls (4, 5) which frame the central handle (3a), that the central handle (3a) has an oblong bore (11a) positioned facing the two circular bores (9a, 10a) and provided with a rack (13a) which engages the thread(s) (15) of the spherical member (6), and that the various bores (9a, 10a, 11a) exhibit dimensions and internal forms suited to keeping between said. walls (4, 5) the spherical member (6) which is translatably movable with respect to the oblong bore (11a) and rotatably movable with respect to the bores in their entirety (9a, 10b, 11b).
  3. Tool according to claim 1, characterised in that the supporting handle (2b) has two oblong bores (9b, 10b) arranged opposite to one another on the two walls (4, 5) which frame the central handle (3b) and each of which is provided with a rack (13b, 14b) which engages the thread(s) (15) of the spherical member (6), that the central handle (3b) has a circular bore (11b) positioned facing the two oblong bores (9b, 10b), and that the various bores (9b, 10b, 11b) exhibit dimensions and internal forms suited to keeping between said walls (4, 5) the spherical member (6) which is translatably movable with respect to the two oblong bores (9b, 10b) and rotatably movable with respect to the bores in their entirety (9b, 10b, 11b).
  4. Tool according to any of claims 1 to 3, characterised in that the internal form of each circular bore (9a, 10a, 11b) is constituted by a complementary spherical surface portion of that part of the spherical member (6) with which it is in contact.
  5. Tool according to any of claims 1 to 4, characterised in that longitudinally, on each part designed to come into contact with the threaded spherical member (6), each rack (13a, 13b, 14b) presents a form of which the surface is constituted by a longitudinal portion with a cylindrical surface.
  6. Tool according to any of claims 1 to 5, characterised in that the spherical member (6) has a single thread (15) on its external surface.
  7. Tool according to any of claims 1 to 6, characterised in that the screwing and unscrewing axis of the spherical member (6) is parallel to the direction in which the or each rack (13a, 13b, 14b) is arranged.
  8. Tool according to any of claims 1 to 7, characterised in that the equatorial part of the external surface of the spherical member (6) has a non-slip structure.
EP96926442A 1995-07-27 1996-07-22 Tool with adjustable hinged handles Expired - Lifetime EP0840666B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9509357A FR2737147B1 (en) 1995-07-27 1995-07-27 TOOL WITH ADJUSTABLE ARTICULATED BRANCHES
FR9509357 1995-07-27
PCT/FR1996/001152 WO1997004922A1 (en) 1995-07-27 1996-07-22 Tool with adjustable hinged handles

Publications (2)

Publication Number Publication Date
EP0840666A1 EP0840666A1 (en) 1998-05-13
EP0840666B1 true EP0840666B1 (en) 2002-02-20

Family

ID=9481605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96926442A Expired - Lifetime EP0840666B1 (en) 1995-07-27 1996-07-22 Tool with adjustable hinged handles

Country Status (7)

Country Link
EP (1) EP0840666B1 (en)
AT (1) ATE213447T1 (en)
AU (1) AU6662796A (en)
DE (1) DE69619380T2 (en)
ES (1) ES2172672T3 (en)
FR (1) FR2737147B1 (en)
WO (1) WO1997004922A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU711408B3 (en) * 1999-06-15 1999-10-14 Jin-Fu Chen A tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB131855A (en) * 1900-01-01
FR466423A (en) * 1912-12-20 1914-05-12 Volmer Nachf E Branch pliers can move in the ball hinge of the tool
DE806779C (en) * 1950-02-11 1951-06-18 Krempel & Co Pipe wrench, wrench or the like with adjustable jaw width
US3824882A (en) * 1972-05-04 1974-07-23 C Burthardt Adjustable screw-lock pliers
SE400921B (en) * 1976-08-11 1978-04-17 Bahco Verktyg Ab SLIDING ROD

Also Published As

Publication number Publication date
EP0840666A1 (en) 1998-05-13
FR2737147A1 (en) 1997-01-31
ATE213447T1 (en) 2002-03-15
ES2172672T3 (en) 2002-10-01
DE69619380D1 (en) 2002-03-28
FR2737147B1 (en) 1997-10-17
AU6662796A (en) 1997-02-26
DE69619380T2 (en) 2002-11-14
WO1997004922A1 (en) 1997-02-13

Similar Documents

Publication Publication Date Title
CA2035348C (en) Adjustable fastening device with spinal osteosynthesis rods
WO2009106733A2 (en) Pivoting connection device for spinal osteosynthesis screw
EP1380499A1 (en) Bicycle pedal with adjustable axial position
EP1721815A1 (en) Fixation device of a saddle on the head of the saddle pin.
EP3756501A1 (en) Fixing device for a bracelet
FR2486371A1 (en) CONTROLLED LIFTING DEVICE, FOR HELMET VISORS AND THE LIKE, AND HELMETS EQUIPPED WITH SUCH A DEVICE
EP0610124B1 (en) Assembly system of two prosthesis parts
FR2638791A1 (en) LOCK FOR EQUIPMENT SUPPORT
EP0840666B1 (en) Tool with adjustable hinged handles
EP2828705A1 (en) Telescopic hinge for spectacles frame
EP1469339A1 (en) Resilient hinge for spectacles frame with a diabolo type pivot axis
EP2676343B1 (en) Electric control or signaling device
EP2230412B1 (en) Secure rotary knob
EP3419036B1 (en) Attachment device for electric control and/or signalling member
EP0840337B1 (en) Switch mechanism
FR2765115A1 (en) SKI SHOE SECURITY ATTACHMENT
FR2755025A1 (en) Boot binding fixed to snow board by plate
EP0354081A1 (en) Bicycle derailleur control device
FR3096714A3 (en) Comb type hinge for window and swing leaf doors
EP1071976A1 (en) Adjustable spectacle frame
FR2993697A1 (en) SAXOPHONE WITH ACTUATION OF OCTAVE CONTROL MECHANISM IMPROVED
EP1150404B1 (en) Housing for electrical devices having a cable feedthrough
FR2732285A1 (en) ROTATING ELECTRICAL CONTACTOR COMPRISING MOUNTING DEVICES FOR MOUNTING
CH684151A5 (en) Bracelet clasp
BE1005282A0 (en) Electric switching device, controllable mechanical adjustable so.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19971103

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 19980529

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020220

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020220

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020220

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020220

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020220

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020220

REF Corresponds to:

Ref document number: 213447

Country of ref document: AT

Date of ref document: 20020315

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69619380

Country of ref document: DE

Date of ref document: 20020328

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020520

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020520

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20020619

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20020620

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20020626

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20020708

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020722

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020731

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020731

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020731

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20020220

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2172672

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

BERE Be: lapsed

Owner name: *BOST GARNACHE INDUSTRIES

Effective date: 20020731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030201

26N No opposition filed

Effective date: 20021121

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030723

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030723

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040203

EUG Se: european patent has lapsed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040331

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20030723

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050722