EP2647471B1 - Pliers - Google Patents

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Publication number
EP2647471B1
EP2647471B1 EP13380010.2A EP13380010A EP2647471B1 EP 2647471 B1 EP2647471 B1 EP 2647471B1 EP 13380010 A EP13380010 A EP 13380010A EP 2647471 B1 EP2647471 B1 EP 2647471B1
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EP
European Patent Office
Prior art keywords
bolt
orifice
female
handle
respect
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.)
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Application number
EP13380010.2A
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German (de)
French (fr)
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EP2647471A3 (en
EP2647471A2 (en
Inventor
José Ignacio Picaza Ibarrondo
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.)
Rothenberger SA
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Rothenberger SA
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Publication date
Priority claimed from ES201230503A external-priority patent/ES2429397B1/en
Priority claimed from ES201231811A external-priority patent/ES2462554B1/en
Application filed by Rothenberger SA filed Critical Rothenberger SA
Publication of EP2647471A2 publication Critical patent/EP2647471A2/en
Publication of EP2647471A3 publication Critical patent/EP2647471A3/en
Application granted granted Critical
Publication of EP2647471B1 publication Critical patent/EP2647471B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06Joints
    • B25B7/10Joints with adjustable fulcrum

Definitions

  • the object of the invention refers to clamps, of the type used for fastening, for example, in plumbing work.
  • pliers of this type are already known, constituted by two branches which are united by a hinge bolt and where one of the branches can adopt different working positions by means of a displacement. linear, straight or curved, in a slot in the other branch, to change the gripping capacity of the jaws of the clamps.
  • tweezers consisting of two branches, one male and the other female, united by means of a hinge bolt; where one of the branches defines a slot, straight or curved, in which the other branch can adopt different working positions to change the gripping capacity of the jaws of the clamps are known.
  • the patent US2844061 discloses a clamp, the type of those consisting of two branches, one male and the other female with a head and a sleeve which are two independent parts.
  • the head has the jaw and a passing orifice.
  • the two branches are joined together by a "drive pin" which is defined from a head at one end to an externally threaded zone at the opposite end, and with a polygonal conformation which is an internal part of the " ankle training »
  • the polygonal conformation is housed in an orifice of the handle and allows or not the rotation of said handle according to whether it is housed in the cylindrical zone or in a polygonal zone of the orifice, so that the polygonal conformation must obligatorily be a polygonal conformation and be placed in an inner part of the "drive pin".
  • the male branch defines a slot, of straight or curved configuration, the walls of which bear teeth or splines, and along this slot the female branch can adopt different working positions to modify the gripping capacity of the jaw; and where the Driving pin has a reduced area corresponding to the teeth or groove of the slot.
  • the patent GB 160 513 A discloses a clamp, of the type of those consisting of two branches, which are joined together by a hinge bolt.
  • the hinge bolt has a circular area and an oblong area.
  • the clamps object of the invention assume a solution to these problems. They are of the type composed by two branches joined together by a hinge bolt; where one of the branches defines a slot, straight or curved, in which the other branch can adopt different working positions to modify the gripping capacity of the jaws of the clamps and they are characterized by the fact that they present means to prevent the pin bolt from moving relative to the branch that supports it and means to prevent the axial displacement of the pin bolt relative to the two branches of the clamps.
  • the foundation of the invention lies in the use, mainly, of a bolt with a single component and whose configuration prevents the bolt from rotating, and to move axially relative to its original situation, which is why very simplified clamps that solve problems.
  • the object of the invention refers to clamps, of the type consisting of two branches, male (1) and another female (2) which are united by means of a hinge bolt (3); and wherein the male branch (1) defines a slot (11), of straight or curved configuration, along which the female branch (2) can adopt different working positions to change the gripping capacity of the jaw.
  • the male branch (1) defines the slit (11), of straight or curved shape, with the toothed or corrugated walls (11a) and the female branch (2) defines each orifice-box (20) in face in its walls.
  • the hinge bolt (3) is mounted in said holes of the female branch (1).
  • This hinge bolt (3) is provided with conformations (31); for example a reduced area or a milling, which allow him or not to move in the slot (11) of the male branch (2) to adopt the different working positions.
  • the slot (11) can have a straight or curved configuration, so that the hinge bolt (3) can have a straight or curved path.
  • the female branch (2) is mounted directly on the hinge bolt (3) without the possibility of transfer or axial displacement.
  • This hinge bolt (3) is also mounted without axial displacement relative to the two branches (1), (2) of the clamps.
  • the stud (4) is housed in the box-hole (5) at the same time as the bolt (3) is housed in the support port (20) of the female branch (2).
  • a stud (6) is arranged in a threaded hole (40) of the eccentric stud (4). ) so that the head of the stud (6) engages the perimeter of the box-orifice (5) while the head of the bolt (3) engages the perimeter of the seat-orifice (20) on the other side .
  • the milling (31) of the bolt (3) always faces the slot (11), without lateral displacement with respect to the branch (1), but with respect to which it can rotate with the female branch (2) to vary the grip capacity of the jaw; or hang in the different work positions.
  • the hinge bolt (3) is mounted without exceeding any lateral plane of the branches (1), (2) of the clamps, in order not to limit its possibilities of use nor its operational functionality.
  • the coaxial stud (4) is housed without rotation in the box-hole (5) at the same time as the bolt (3) receives the zones of its side walls (31a), (31b) in the seat orifices (20) of the female branch (2).
  • the riveting (6) passes through the eccentric box-hole (5) and is housed in the eccentric orifice (40) provided in the hinge bolt (3).
  • the bolt (3) houses the zones of its side walls (31a), (31b) in the seat orifices (20) of the female arm (2) and the eccentric orifice (40) of the articulation bolt (3) is opposite the eccentric box opening (5) provided in the wall of the female branch (2).
  • the riveting (6) is arranged in the axial orifice (40) in such a way that its zone is housed (60b) in the zone (40b) of the eccentric orifice (40) and rivets its zone (60a) in the zone (40a) of the eccentric orifice (40).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Surgical Instruments (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

L'objet de l'invention fait référence à des pinces, du type de celles employées pour la fixation, par exemple, dans des travaux de plomberie.The object of the invention refers to clamps, of the type used for fastening, for example, in plumbing work.

Dans l'actuel état de la technique, des pinces de ce type sont déjà connues, constituées par deux branches qui sont unies par un boulon d'articulation et où l'une des branches peut adopter différentes positions de travail au moyen d'un déplacement linéaire, droit ou courbe, dans une fente située dans l'autre branche, pour modifier la capacité de saisie de la mâchoire des pinces.In the current state of the art, pliers of this type are already known, constituted by two branches which are united by a hinge bolt and where one of the branches can adopt different working positions by means of a displacement. linear, straight or curved, in a slot in the other branch, to change the gripping capacity of the jaws of the clamps.

Y compris des pinces composées de deux branches, l'une mâle et l'autre femelle, unies au moyen d'un boulon d'articulation ; où l'une des branches définit une fente, droite ou courbe, dans laquelle l'autre branche peut adopter différentes positions de travail pour modifier la capacité de saisie de la mâchoire des pinces sont connues.Including tweezers consisting of two branches, one male and the other female, united by means of a hinge bolt; where one of the branches defines a slot, straight or curved, in which the other branch can adopt different working positions to change the gripping capacity of the jaws of the clamps are known.

Le brevet US2844061 divulgue une pince, du type de celles composées de deux branche, l'une mâle et l'autre femelle avec une tête et une manche qui sont deux pièces indépendantes. La tête comporte la mâchoire et un orifice passant. Les deux branches sont unies entre elles par une «cheville d'entraînement» qui est définie depuis une tête à une extrémité jusqu'à une zone filetée extérieurement à l'extrémité opposée, et avec une conformation polygonale qui est une partie interne de la «cheville d'entraînement»The patent US2844061 discloses a clamp, the type of those consisting of two branches, one male and the other female with a head and a sleeve which are two independent parts. The head has the jaw and a passing orifice. The two branches are joined together by a "drive pin" which is defined from a head at one end to an externally threaded zone at the opposite end, and with a polygonal conformation which is an internal part of the " ankle training »

La conformation polygonale se loge dans un orifice du manche et permet ou non la rotation dudit manche selon si elle se loge dans la zone cylindrique ou dans une zone polygonale de l'orifice, de manière que la conformation polygonale doit obligatoirement être une conformation polygonale et être placé dans une partie interne de la «cheville d'entraînement». La branche masculine définit une fente, de configuration droite ou courbe, dont les parois portent des dents ou des cannelures, et, le long de cette fente la branche femelle peut adopter différentes positions de travail pour modifier la capacité de saisie de la mâchoire; et où la cheville d'entraînement présente une zone réduite correspondant aux dents ou cannelure de la fente.The polygonal conformation is housed in an orifice of the handle and allows or not the rotation of said handle according to whether it is housed in the cylindrical zone or in a polygonal zone of the orifice, so that the polygonal conformation must obligatorily be a polygonal conformation and be placed in an inner part of the "drive pin". The male branch defines a slot, of straight or curved configuration, the walls of which bear teeth or splines, and along this slot the female branch can adopt different working positions to modify the gripping capacity of the jaw; and where the Driving pin has a reduced area corresponding to the teeth or groove of the slot.

Le brevet US3161094 divulgue une pince similaire, mais dans cette pince, un mécanisme de ressort est nécessaire pour le déplacement linéaire des mâchoires.The patent US3161094 discloses a similar clip, but in this clip, a spring mechanism is required for the linear movement of the jaws.

Le brevet GB 160 513 A divulgue une pince, du type de celles composées de deux branche, qui sont unies entre elles par un boulon d'articulation. Le boulon d'articulation présente une zone circulaire et une zone oblongue.The patent GB 160 513 A discloses a clamp, of the type of those consisting of two branches, which are joined together by a hinge bolt. The hinge bolt has a circular area and an oblong area.

Il existe actuellement deux possibilités pour placer la fente droite ou courbe : que la fente se trouve dans la branche femelle (extérieur) ou que la fenêtre se trouve dans la branche mâle (intérieur). Si la fente est disposée dans la branche masculine, comme, par exemple, dans les dossiers EP2054195 ; ES2277520 et ES2317725 , les problèmes suivants apparaissent par rapport à la constitution, l'emplacement et le mouvement du boulon d'articulation:

  • la voluminosité, car la solution technique employée requiert des dispositifs excessivement grands et dont plusieurs composants dépassent, ou tout au moins une partie de ceux-ci, latéralement par rapport aux pinces, en limitant les applications;
  • la fragilité et la complexité constructive, car plusieurs de ses composants, des pièces généralement petites, sont à vue exposées aux coups et à la saleté qui les détériorent, en abîmant les pinces en très peu de temps, spécialement si le ressort de manoeuvre est découvert;
  • une complexité maximale du montage, car il s'agit de plusieurs composants de très petite taille, et dans un espace d'emboîtement très réduit.
There are currently two possibilities for placing the right or curved slot: that the slot is in the female branch (outside) or that the window is in the male branch (inside). If the slot is arranged in the male branch, as, for example, in folders EP2054195 ; ES2277520 and ES2317725 , the following problems occur with respect to the constitution, location and movement of the articulation bolt:
  • bulkyness, because the technical solution employed requires excessively large devices and several components of which protrude, or at least a portion of them, laterally with respect to the clamps, limiting the applications;
  • fragility and constructive complexity, because many of its components, usually small parts, are exposed to the blows and dirt that deteriorate them, damaging the clamps in a very short time, especially if the operating spring is uncovered ;
  • a maximum complexity of the assembly, because it is about several components of very small size, and in a space of very reduced nesting.

Les pinces objet de l'invention supposent une solution à ces problèmes. Elles sont du type composé par deux branches unies entre elles par un boulon d'articulation ; où l'une des branches définit une fente, droite ou courbe, dans laquelle l'autre branche peut adopter différentes positions de travail pour modifier la capacité de saisie de la mâchoire des pinces et elles se caractérisent par le fait qu'elles présentent des moyens pour éviter que le boulon-goupille ne se déplace par rapport à la branche qui la soutient et des moyens pour éviter le déplacement axial du boulon-goupille par rapport aux deux branches des pinces.The clamps object of the invention assume a solution to these problems. They are of the type composed by two branches joined together by a hinge bolt; where one of the branches defines a slot, straight or curved, in which the other branch can adopt different working positions to modify the gripping capacity of the jaws of the clamps and they are characterized by the fact that they present means to prevent the pin bolt from moving relative to the branch that supports it and means to prevent the axial displacement of the pin bolt relative to the two branches of the clamps.

Le fondement de l'invention réside en l'utilisation, principalement, d'un boulon à un seul composant et dont la configuration empêche le boulon de tourner, et de se déplacer axialement par rapport à sa situation originale, ce pourquoi il s'agit de pinces très simplifiées qui résolvent les problèmes.The foundation of the invention lies in the use, mainly, of a bolt with a single component and whose configuration prevents the bolt from rotating, and to move axially relative to its original situation, which is why very simplified clamps that solve problems.

Dans ces pinces, conformément à l'invention:

  • le boulon d'articulation est monté sans rotation à l'une des branches, sans virement ni déplacement axial par rapport à cette dernière;
  • le boulon d'articulation est monté sans virement dans l'une des branches, et dispose d'un fraisage situé en face de la fente de l'autre branche, par rapport à laquelle il peut tourner ou se bloquer (pour que ce fraisage lui permette ou non d'atteindre les différentes positions de travail), mais pas de se déplacer axialement;
  • le boulon d'articulation est monté sans ressortir par rapport à aucun plan latéral des pinces, pour ne pas limiter ses possibilités d'utilisation ni sa fonctionnalité opérationnelle.
In these clips, according to the invention:
  • the hinge bolt is mounted without rotation to one of the branches, without transfer or axial movement relative thereto;
  • the hinge bolt is mounted without turning in one of the branches, and has a milling located opposite the slot of the other branch, with respect to which it can turn or lock (for this milling him whether or not to reach different work positions), but not to move axially;
  • the hinge bolt is mounted without emerging relative to any lateral plane of the clamps, so as not to limit its possibilities of use nor its operational functionality.

Cette solution technique est simple, tout en étant robuste et fiable ; de plus, elle ne requiert aucune mécanisation préalable ni de montages avec des ajustements, ce qui simplifie les travaux de fabrication et de montage. Concrètement, pour monter le boulon sans virement par rapport à la branche femelle qui le soutient, un plot excentrique et un orifice-caisson conjugués sont disposés ; prévus, indistinctement, l'un dans le boulon et l'autre dans la branche femelle (ou vice versa).This technical solution is simple, yet robust and reliable; moreover, it does not require any prior mechanization or assemblies with adjustments, which simplifies the manufacturing and assembly work. Concretely, to mount the bolt without transfer relative to the female branch which supports it, an eccentric stud and a box-hole conjugate are arranged; provided, indistinctly, one in the bolt and the other in the female branch (or vice versa).

Concrètement, pour éviter le déplacement axial du boulon par rapport aux branches, l'on dispose un goujon qui attaque le plot excentrique du boulon au moyen de l'orifice-caisson. Dans l'objet de l'invention est incluse tout autre solution techniquement équivalente; par exemple, un rivetage.Concretely, to avoid the axial displacement of the bolt relative to the branches, it has a stud that attacks the eccentric stud of the bolt by means of the orifice-box. In the subject of the invention is included any other technically equivalent solution; for example, a riveting.

Selon ces prémisses, en particulier:

  • le boulon d'articulation dont le fraisage est maintenant escorté par deux parois latérales ;
  • le goujon qui maintenant peut être centré ou coaxial avec le reste du boulon d'articulation, ou être supprimé;
  • le rivetage qui maintenant peut être centré ou coaxial par rapport au goujon et au propre boulon d'articulation ou décentré/excentrique par rapport au boulon d'articulation et présenter plusieurs zones, avec des coupes différentes; et
  • la propre branche femelle dans cette zone qui maintenant peut présenter une paroi plus épaisse, mais dont l'épaisseur est au moins la hauteur du goujon.
According to these premises, in particular:
  • the hinge bolt whose milling is now escorted by two side walls;
  • the stud which now can be centered or coaxial with the rest of the hinge bolt, or be removed;
  • the riveting which now can be centered or coaxial with the bolt and with the own articulation bolt or off center / eccentric with respect to the articulation bolt and have several zones, with different cuts; and
  • the own female branch in this area which now may have a thicker wall, but whose thickness is at least the height of the stud.

Dans le but de mieux comprendre l'objet de la présente invention, une forme préférentielle de réalisation pratique, susceptible de changements accessoires ne dénaturant pas son fondement est représentée sur les plans.

  • La figure 1 représente une vue générale levée des pinces conformément à l'invention, pour un exemple, non restrictif, de réalisation pratique.
  • La figure 2 représente une coupe générale en plan, selon l'indication B:B de la figure 1.
  • La figure 3 représente une vue générale détaillée, comme détail A de la figure 2.
  • La figure 4 représente une coupe générale en plan semblable à la figure 2, mais uniquement de la branche femelle (2), pour apprécier ses orifices-caisson (20).
  • La figure 5a représente une vue frontale du boulon d'articulation (3).
  • La figure 5b représente une coupe levée, selon l'indication C:C de la figure 5a.
  • La figure 5c, représente une vue en plan, correspondant à la figure 5b.
  • La figure 6 représente une coupe générale en plan, qui correspond à la figure 2 pour un exemple de réalisation alternative.
  • La figure 7 représente une vue générale augmentée, correspondant à la figure 3 pour cet exemple de réalisation alternative.
  • La figure 8a, représente une vue frontale du boulon d'articulation (3), qui correspond à la figure 5a pour cet exemple de réalisation alternative.
  • La figure 8b, représente une vue levée du boulon (3), qui correspond à la figure 5b pour cet exemple de réalisation alternative.
  • La figure 8c, représente une vue en plan du boulon (3) qui correspond à la figure 5c pour cet exemple de réalisation alternative.
  • La figure 9 représente une coupe générale schématique en perspective correspondante à la réalisation des figures 1 à 3 précédentes, avec les composants basiques en disposition de montage.
  • La figure 10 représente une coupe générale schématique en perspective semblable à la figure 9, mais avec les composants basiques en disposition de montage pour une réalisation alternative dans laquelle le goujon (4) a été supprimé.
  • La figure 11 représente une vue générale schématique en perspective du boulon d'articulation (3) pour l'exemple de réalisation de la figure 10.
In order to better understand the object of the present invention, a preferred embodiment of practical, susceptible of incidental changes does not denature its foundation is shown on the plans.
  • The figure 1 represents a general view of the clamps according to the invention, for a non-restrictive example of practical realization.
  • The figure 2 represents a general cut in plan, according to the indication B: B of the figure 1 .
  • The figure 3 represents a detailed overview, as detail A of the figure 2 .
  • The figure 4 represents a general cut in a plane similar to the figure 2 , but only of the female branch (2), to appreciate its orifices-box (20).
  • The figure 5a represents a front view of the hinge bolt (3).
  • The figure 5b represents a raised cut, according to the C: C indication of the figure 5a .
  • The figure 5c , represents a plan view, corresponding to the figure 5b .
  • The figure 6 represents a general cut in plan, which corresponds to the figure 2 for an alternative embodiment.
  • The figure 7 represents an augmented general view, corresponding to the figure 3 for this alternative embodiment.
  • The figure 8a , represents a front view of the hinge bolt (3), which corresponds to the figure 5a for this alternative embodiment.
  • The figure 8b , represents a raised view of the bolt (3), which corresponds to the figure 5b for this alternative embodiment.
  • The figure 8c , represents a plan view of the bolt (3) which corresponds to the figure 5c for this alternative embodiment.
  • The figure 9 represents a schematic general perspective section corresponding to the realization of Figures 1 to 3 previous, with the basic components in mounting arrangement.
  • The figure 10 represents a schematic general perspective cut similar to the figure 9 but with the basic components in mounting arrangement for an alternative embodiment in which the stud (4) has been removed.
  • The figure 11 represents a schematic perspective view of the hinge bolt (3) for the exemplary embodiment of the figure 10 .

Ci-dessous est décrit un exemple de réalisation pratique, non restrictif, de la présente invention. D'autres modes de réalisation dans lesquels sont introduits des changements accessoires ne dénaturant pas son fondement ne sont absolument pas écartés.Below is an example of a practical, non-restrictive embodiment of the present invention. Other embodiments in which incidental changes are introduced which do not distort its foundation are absolutely not excluded.

L'objet de l'invention fait référence à des pinces, du type de celles constituées par deux branches, mâle (1) et une autre femelle (2) qui sont unies au moyen d'un boulon d'articulation (3); et où la branche masculine (1) définit une fente (11), de configuration droite ou courbe, le long de laquelle la branche femelle (2) peut adopter différentes positions de travail pour modifier la capacité de saisie de la mâchoire.The object of the invention refers to clamps, of the type consisting of two branches, male (1) and another female (2) which are united by means of a hinge bolt (3); and wherein the male branch (1) defines a slot (11), of straight or curved configuration, along which the female branch (2) can adopt different working positions to change the gripping capacity of the jaw.

D'une manière connue, la branche masculine (1) définit la fente (11), de forme droite ou courbe, avec les parois dentées ou cannelées (11a) et la branche femelle (2) définit chaque orifice-caisson (20) en face dans ses parois. Le boulon d'articulation (3) est monté dans les dits orifices de la branche femelle (1). Ce boulon d'articulation (3) est pourvu de conformations (31) ; par exemple une zone réduite ou un fraisage, qui lui permettent ou pas de se déplacer dans la fente (11) de la branche masculine (2) pour adopter les différentes positions de travail.In a known manner, the male branch (1) defines the slit (11), of straight or curved shape, with the toothed or corrugated walls (11a) and the female branch (2) defines each orifice-box (20) in face in its walls. The hinge bolt (3) is mounted in said holes of the female branch (1). This hinge bolt (3) is provided with conformations (31); for example a reduced area or a milling, which allow him or not to move in the slot (11) of the male branch (2) to adopt the different working positions.

La fente (11) peut avoir une configuration droite ou courbe, ce pourquoi le boulon d'articulation (3) peut avoir une trajectoire droite ou courbe. Conformément à l'invention, la branche femelle (2) est montée directement sur le boulon d'articulation (3) sans possibilité de virement ni de déplacement axial. Ce boulon d'articulation (3) est aussi monté sans déplacement axial par rapport aux deux branches (1), (2) des pinces.The slot (11) can have a straight or curved configuration, so that the hinge bolt (3) can have a straight or curved path. According to the invention, the female branch (2) is mounted directly on the hinge bolt (3) without the possibility of transfer or axial displacement. This hinge bolt (3) is also mounted without axial displacement relative to the two branches (1), (2) of the clamps.

Conformément à l'invention, et selon la réalisation représentée :

  • la branche femelle (2) définit en continuité avec l'orifice-caisson (20) d'une de ses parois, un orifice-caisson (5) excentrique;
  • le boulon d'articulation (3) définit un ample fraisage (31) et un plot excentrique (4) en continuité avec le corps du boulon même (3).
According to the invention, and according to the embodiment shown:
  • the female branch (2) defines in continuity with the orifice-box (20) of one of its walls, an orifice-caisson (5) eccentric;
  • the articulation bolt (3) defines a wide milling (31) and an eccentric stud (4) in continuity with the body of the bolt itself (3).

Pour obtenir que le montage du boulon d'articulation (3) ne permette pas de rotation par rapport à la branche femelle (2), le plot (4) se loge dans l'orifice-caisson (5) en même temps que le boulon (3) se loge dans l'orifice-support (20) de la branche femelle (2).To ensure that the mounting of the hinge bolt (3) does not allow rotation relative to the female branch (2), the stud (4) is housed in the box-hole (5) at the same time as the bolt (3) is housed in the support port (20) of the female branch (2).

Pour fixer cette position et éviter que le boulon d'articulation (3) ne se déplace latéralement par rapport aux branche (1), (2), un goujon (6) est disposé dans un orifice fileté (40) du plot excentrique (4) de sorte que la tête du goujon (6) attaque le périmètre de l'orifice-caisson (5) alors que la tête même du boulon (3) attaque le périmètre de l'orifice-siège (20) de l'autre côté.To fix this position and prevent the articulation bolt (3) from moving laterally relative to the limb (1), (2), a stud (6) is arranged in a threaded hole (40) of the eccentric stud (4). ) so that the head of the stud (6) engages the perimeter of the box-orifice (5) while the head of the bolt (3) engages the perimeter of the seat-orifice (20) on the other side .

Dans cette position, le fraisage (31) du boulon (3) fait toujours face à la fente (11), sans déplacement latéral par rapport à la branche (1), mais par rapport auquel il peut tourner avec la branche femelle (2) pour varier la capacité de saisie de la mâchoire ; ou se bloquer dans les différentes positions de travail.In this position, the milling (31) of the bolt (3) always faces the slot (11), without lateral displacement with respect to the branch (1), but with respect to which it can rotate with the female branch (2) to vary the grip capacity of the jaw; or hang in the different work positions.

Le boulon d'articulation (3) est monté sans dépasser d'aucun plan latéral des branches (1), (2) des pinces, pour ne pas limiter ses possibilités d'utilisation ni sa fonctionnalité opérationnelle.The hinge bolt (3) is mounted without exceeding any lateral plane of the branches (1), (2) of the clamps, in order not to limit its possibilities of use nor its operational functionality.

Dans l'objet de l'invention sont incluses toutes les solutions constructives semblables ou équivalentes à celle décrite, avec lesquelles l'on obtient tant un montage du boulon d'articulation (3) sans rotation par rapport à la branche femelle (2) qu'un montage du boulon d'articulation (3) sans déplacement axial par rapport aux deux branches (1) (2) des pinces. Par exemple :

  • remplacer le goujon (6) par un rivetage du plot excentrique (4); ou
  • invertir la position : disposer le plot excentrique (4) dans la branche (2) et l'orifice-caisson (5) dans le boulon (3);
Avec cette structuration claire et ce montage simple, le boulon d'articulation (3) est monté sans rotation ni déplacement latéral par rapport à la branche femelle (2) et sans déplacement latéral par rapport à aucune des branche (1), (2) des pinces. En outre, la fraisage (31) du boulon d'articulation (3) est placé dans la fente (11), de sorte qu'il permet à l'ensemble bras (2)/axe(3) de se déplacer librement dans une position telle que le fraisage (31) soit parallèle à une paroi de la fente (11) et empêche l'ensemble bras (2)/axe(3) de se déplacer librement dans toute autre position tournée, qui correspond à toute position de travail des pinces. Non conformément à la invention, et selon la réalisation représentée sur les figures 6 à 9:
  • la branche femelle (2) présente dans l'une de ses ailes une paroi épaisse (2a) laquelle définit en continuité avec l'orifice-caisson (20) de cette paroi (2a), un orifice-caisson (5) excentrique. L'épaisseur de cette paroi (2a) est, au minimum, égale à la hauteur (h) du goujon (4) décrit ci-dessous;
  • le boulon d'articulation (3) définit une zone rabaissée (31) centrée et escortée par deux parois (31a), (31b) qui constituent le reste du corps du boulon (3). Il définit aussi le goujon (4) susmentionné, lequel est coaxial avec le corps du propre boulon (3) et présente une continuation avec lui;
  • le goujon coaxial (4) définit chaque chanfrein opposé (4a), (4b) pour ajuster sans rotation dans l'orifice-caisson (5) lequel, à cet effet, a une géométrie conjuguée; - à partir du goujon coaxial (4) un orifice axial (40) se prolonge, et continue à l'intérieur du boulon d'articulation (3). Cet orifice axial (40) est fileté (totalement ou partiellement), et correspond avec le filetage (total ou partiel) du rivetage (6).
In the subject of the invention are included all constructive solutions similar or equivalent to that described, with which one obtains both a mounting of the hinge bolt (3) without rotation relative to the branch female (2) that a mounting of the hinge bolt (3) without axial displacement relative to the two branches (1) (2) of the clamps. For example :
  • replace the stud (6) by riveting the eccentric stud (4); or
  • invert the position: place the eccentric stud (4) in the branch (2) and the box-hole (5) in the bolt (3);
With this clear structure and simple assembly, the articulation bolt (3) is mounted without rotation or lateral displacement with respect to the female branch (2) and without lateral displacement with respect to any of the limbs (1), (2) pliers. In addition, the milling (31) of the articulation bolt (3) is placed in the slot (11), so that the arm (2) / shaft (3) assembly can freely move in a a position such that the milling (31) is parallel to a wall of the slot (11) and prevents the arm (2) / shaft (3) assembly from moving freely in any other rotated position, which corresponds to any working position pliers. Not according to the invention, and according to the embodiment shown on the Figures 6 to 9 :
  • the female branch (2) has in one of its wings a thick wall (2a) which defines in continuity with the orifice-box (20) of this wall (2a), an orifice-box (5) eccentric. The thickness of this wall (2a) is, at least, equal to the height (h) of the stud (4) described below;
  • the hinge bolt (3) defines a lowered area (31) centered and escorted by two walls (31a), (31b) which constitute the remainder of the body of the bolt (3). It also defines the aforementioned stud (4), which is coaxial with the body of the own bolt (3) and has a continuation with it;
  • the coaxial pin (4) defines each opposite chamfer (4a), (4b) to adjust without rotation in the box-orifice (5) which, for this purpose, has a conjugate geometry; - From the coaxial stud (4) an axial hole (40) extends, and continues inside the hinge bolt (3). This axial orifice (40) is threaded (totally or partially), and corresponds with the thread (total or partial) riveting (6).

Pour monter le boulon d'articulation (3) sans rotation par rapport à la branche femelle (2), le goujon coaxial (4) se loge sans rotation dans l'orifice-caisson (5) en même temps que le boulon (3) reçoit les zones de ses parois latérales (31a), (31b) dans les orifices-sièges (20) de la branche femelle (2).To mount the articulation bolt (3) without rotation relative to the female branch (2), the coaxial stud (4) is housed without rotation in the box-hole (5) at the same time as the bolt (3) receives the zones of its side walls (31a), (31b) in the seat orifices (20) of the female branch (2).

Pour fixer cette position et éviter que le boulon d'articulation (3) se déplace latéralement par rapport aux branches (1), (2), le rivetage (6) est disposé dans l'orifice axial (40) du goujon coaxial (4); le dit rivetage (6) étant aussi centré/coaxial avec le goujon (4), avec l'orifice-caisson (5) et avec le propre boulon d'articulation (3). Non conformément à la invention, et selon la réalisation représentée sur les figures 10 et 11:

  • la branche femelle (2), présente la même configuration que les figures 1 à 5, définissant en continuité avec l'orifice-caisson (20) de la paroi de ce côté un orifice-caisson (5) excentrique ;
  • le boulon d'articulation (3) définit une zone rabaissée (31) centrée et escortée par deux parois (31a), (31b) qui constituent le reste du corps du boulon (3). L'orifice excentrique (40) se prolonge vers l'intérieur du boulon d'articulation (3) à partir de l'une de ses faces latérales et présente, au moins, deux zones (40a), (40b) de coupes différentes, la dernière desquelles est filetée (totalement o partiellement) en correspondance avec le filetage (total ou partiel) de la zone finale du rivetage (6) décrit ci-dessous ;
  • le rivetage (6) présente, au moins, deux zones (60a), (60b) de coupes différente, en correspondance avec les zones (40a), (40b) de l'orifice excentrique (40). Au moins la dernière de ces zones (60a) est filetée (totalement ou partiellement) en correspondance avec le filetage (total ou partiel) de la zone finale (40a) de l'orifice excentrique (40) susmentionné.
To fix this position and prevent the hinge bolt (3) from moving laterally relative to the branches (1), (2), the riveting (6) is arranged in the axial hole (40) of the coaxial pin (4). ); said riveting (6) being also centered / coaxial with the stud (4), with the box-opening (5) and with the own articulation bolt (3). Not according to the invention, and according to the embodiment shown on the Figures 10 and 11 :
  • the female branch (2) has the same configuration as the Figures 1 to 5 , defining in continuity with the orifice-box (20) of the wall of this side an eccentric box-orifice (5);
  • the hinge bolt (3) defines a lowered area (31) centered and escorted by two walls (31a), (31b) which constitute the remainder of the body of the bolt (3). The eccentric orifice (40) is extended towards the inside of the articulation bolt (3) from one of its lateral faces and has at least two zones (40a), (40b) of different cross-sections, the last of which is threaded (totally or partially) in correspondence with the thread (total or partial) of the final riveting zone (6) described below;
  • the riveting (6) has, at least, two zones (60a), (60b) of different cuts, in correspondence with the zones (40a), (40b) of the eccentric orifice (40). At least the last of these areas (60a) is threaded (wholly or partially) in correspondence with the thread (total or partial) of the end zone (40a) of the aforementioned eccentric orifice (40).

Pour réussir à monter le boulon d'articulation (3) sans rotation par rapport à la branche femelle (2), le rivetage (6) traverse l'orifice-caisson excentrique (5) et se loge dans l'orifice excentrique (40) prévu dans le boulon d'articulation (3).To successfully mount the hinge bolt (3) without rotation relative to the female branch (2), the riveting (6) passes through the eccentric box-hole (5) and is housed in the eccentric orifice (40) provided in the hinge bolt (3).

Comme dans les figures 1 à 5, le boulon (3) héberge les zones de ses parois latérales (31a), (31b) dans les orifices-siège (20) du bras femelle (2) et l'orifice excentrique (40) du boulon d'articulation (3) se trouve en face de l'orifice caisson excentrique (5) prévu dans la paroi de la branche femelle (2).As in Figures 1 to 5 , the bolt (3) houses the zones of its side walls (31a), (31b) in the seat orifices (20) of the female arm (2) and the eccentric orifice (40) of the articulation bolt (3) is opposite the eccentric box opening (5) provided in the wall of the female branch (2).

Pour fixer cette position et ainsi éviter que le boulon d'articulation (3) se déplace latéralement par rapport aux branches (1), (2), l'on dispose le rivetage (6) dans l'orifice axial (40) de manière à ce que sa zone se loge (60b) dans la zone (40b) de l'orifice excentrique (40) et rivète sa zone (60a) dans la zone (40a) de l'orifice excentrique (40).To fix this position and thus prevent the hinge bolt (3) from moving laterally relative to the branches (1), (2), the riveting (6) is arranged in the axial orifice (40) in such a way that its zone is housed (60b) in the zone (40b) of the eccentric orifice (40) and rivets its zone (60a) in the zone (40a) of the eccentric orifice (40).

Les matériaux, les dimensions, proportions et, en général, tous les détails accessoires ou secondaires n'altérant pas, ne changeant pas ou ne modifiant pas le fondement proposé pourront être variables.The materials, dimensions, proportions and, in general, any accessory or secondary details that do not alter, change or modify the proposed basis may vary.

Les termes dans lesquels est rédigé ce mémoire sont certains et reflètent fidèlement l'objet décrit, lequel doit être compris dans son sens le plus vaste, et cela jamais de manière restrictive.The terms in which this memoir is written are certain and faithfully reflect the object described, which must be understood in its broadest sense, and never in a restrictive manner.

Claims (1)

  1. Pliers, of the type that consist of a first male handle (1) and a second female handle (2), forming the jaws of the pliers and that are joined together by a joint bolt (3); where the male handle (1) defines a slotted window (11), of straight or curved configuration, whose walls carry teeth or grooves (11a), along which slotted window (11) the female handle (2) can reach various working positions to vary the clamping capacity of the mouth; and where the joint bolt (3) presents a reduced zone (31) in correspondence with the teeth or grooves of the slotted window (11); and where the joint bolt (3) is mounted on the female handle (2) and there are means to prevent turning of the bolt (3) with respect to the female handle (2), and means to prevent axial movement of the bolt (3) with respect to the female handle (2), characterized in that the means to prevent turning of the bolt (3) with respect to the female handle (2) consist of an eccentric spline (4) and an orifice-housing (5), combined; provided, indistinctly, one on the bolt (3) and the other on the female handle (2); thus preventing the bolt (3) from turning with respect to the female handle (2) that carries it and because the means to prevent axial movement of the bolt (3) with respect to the female handle (2) consists of a stud bolt (6) in a threaded orifice (40) of the eccentric spline (4) to prevent axial movement of the bolt (3) with respect to the female handle (2) that carries it.
EP13380010.2A 2012-04-02 2013-03-25 Pliers Active EP2647471B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201230503A ES2429397B1 (en) 2012-04-02 2012-04-02 Pincers
ES201231811A ES2462554B1 (en) 2012-11-22 2012-11-22 Pincer improvements

Publications (3)

Publication Number Publication Date
EP2647471A2 EP2647471A2 (en) 2013-10-09
EP2647471A3 EP2647471A3 (en) 2017-05-03
EP2647471B1 true EP2647471B1 (en) 2018-07-18

Family

ID=48193238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13380010.2A Active EP2647471B1 (en) 2012-04-02 2013-03-25 Pliers

Country Status (2)

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EP (1) EP2647471B1 (en)
ES (1) ES2691266T3 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US826153A (en) * 1905-09-28 1906-07-17 Andrew H De Groff Wrench.
GB160513A (en) * 1919-12-16 1921-03-16 Walter Pickard Improvements in adjustable wrenches
US2844061A (en) * 1957-09-25 1958-07-22 Joseph M Hendrickson Adjustable jaw pliers
US3161094A (en) * 1962-11-16 1964-12-15 Jesse W Johnson Adjustable pliers
FR2715594B1 (en) * 1994-02-03 1996-03-22 Sicfo Stanley Means of assembly of two articulated branches for pliers.
ES2277520B1 (en) 2005-06-01 2008-05-16 Rothenberger, S.A. PINCERS.
DE102007049032B4 (en) 2006-10-24 2021-03-18 Knipex-Werk C. Gustav Putsch Kg Pliers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2647471A3 (en) 2017-05-03
ES2691266T3 (en) 2018-11-26
EP2647471A2 (en) 2013-10-09

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