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EP3333643A1 - Attachment device - Google Patents

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Publication number
EP3333643A1
EP3333643A1 EP16202428.5A EP16202428A EP3333643A1 EP 3333643 A1 EP3333643 A1 EP 3333643A1 EP 16202428 A EP16202428 A EP 16202428A EP 3333643 A1 EP3333643 A1 EP 3333643A1
Authority
EP
European Patent Office
Prior art keywords
pivots
fastening device
connecting link
link
watch case
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.)
Granted
Application number
EP16202428.5A
Other languages
German (de)
French (fr)
Other versions
EP3333643B1 (en
Inventor
Pierry Vuille
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development SA
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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP16202428.5A priority Critical patent/EP3333643B1/en
Priority to US15/819,965 priority patent/US10359739B2/en
Priority to JP2017228593A priority patent/JP6437081B2/en
Priority to CN201711265433.XA priority patent/CN108143056B/en
Publication of EP3333643A1 publication Critical patent/EP3333643A1/en
Priority to HK18115040.8A priority patent/HK1255966B/en
Application granted granted Critical
Publication of EP3333643B1 publication Critical patent/EP3333643B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • G04B37/1493—Arrangements for fixing to a bracelet by means of a feather spring (Barette á ressort)

Definitions

  • the present invention relates to a device for connecting a bracelet to a watch case comprising dressing elements made of a hard material such as metal. More specifically, the present invention relates to a link link provided with a bar, both provided for connecting a bracelet to a case of a watch.
  • This bracelet can be leather, fabric, rubber, plastic, ceramic or metal and is connected to the pairs of horns of the watch case via bars fixed between the horns for example.
  • the traditional bar comprises several small sliding parts forming the ends and a cylinder with a spring in the center forming the body and now the whole, so that the bar is not rigid in its construction and has a game for allow the parts to slide between them (folded ends in the cylindrical body).
  • the connecting link between the box and the other links of the bracelet must have lateral clearances to be able to mount and / or disassemble the bracelet, which further reduces the quality of the maintenance of the bar.
  • the invention particularly aims to overcome the various disadvantages of these known techniques.
  • an object of the invention is to eliminate the game visible at the interface between the link link and the box.
  • Another object of the invention is to provide an assembly (casing-bar-link link) allowing to have wider machining tolerances for the different parts that constitute it, and simplifying the assembly (II is not not necessary according to the invention to have a precise initial positioning between the bar of the connecting link and the housing). It is also easier to guarantee perfect coaxiality as in the current standard cases of figures, to reduce the game by eliminating the addition of moving elements, and to limit the constituent elements of the bar.
  • a device for attaching a bracelet to a watch case by means of a connecting link the watch case comprising a middle part, at least one pair of horns and a bottom (5), the connecting link comprising a passage receiving fastening means to the watch case.
  • the fixing means are integrated in the connecting link and comprise elastic return means separating two pivots movably mounted inside the passage, along the longitudinal axis of the passage and capable of changing each between a position. compressed and a rest position in which the pins are arranged to rest in a hole formed in each horn of the watch case.
  • the invention also relates and in particular any timepiece comprising at least one connecting link and its bar according to the invention.
  • the invention relates to a device for attaching a bracelet to a watch case by means of a connecting link, the watch case comprising a middle part, at least one pair of horns and a bottom, the connecting link comprising a passage receiving fastening means to the watch case.
  • the fastening means are integrated in the connecting link and comprise a bar formed by elastic return means separating two pivots movably mounted inside the passage, along the longitudinal axis of the passage and likely to evolve. each between a compressed position and a rest position in which the pins are arranged to rest in a housing formed in each horn of the housing.
  • Link link 10 is parallelepipedal general shape and is intended to be housed without clearance between the horns 2, 3 of the watch case 1.
  • the connecting link 10 has two opposite side faces intended to be placed against the horns 2 and 3 of the housing 1. The two other opposite side faces are respectively one placed against the housing 1, and the other is intended to be on the side of the bracelet.
  • the latter comprises attachment means arranged to receive a bar for connecting the connecting link 10 with a bracelet strand.
  • the lateral face resting against the watch case 1 is shaped so as to match the shape of the case 1 and thus limit the clearance between the case 1 and the connecting link 10.
  • an opening is formed on the back of the connecting link 10 so as to be able to access the fastening means housed in a passage formed in the connecting link 10.
  • the opening 20 is located in the center of the connecting link 10, on the underside, so that it is not visible to the wearer.
  • the opening 20 is oblong but not very well take other forms. It is possible to conceal this opening 20 by means of a rubber cover for example, in this way no foreign body can be housed in the housing 100 via the opening 20.
  • the connecting link 10 comprises a cover 30 provided with elastic arms 32 for replacing the elastic return means.
  • a cover 30 is placed in the link 10 and is crossed at its center and on its height by a bore 34 for the passage of a screw 35 or any other fastening means.
  • the cover 30 comprises two elastically deformable arms 32 positioned against the pivots 11, 12, and acting as springs.
  • the cover 30 has a clearance 31 facilitating the deformation of the elastic arms 32 and stops 33 for limit the travel of the elastic arms and avoid excessive deformation of the latter.
  • the lid 30 may be made of any material that allows elastic deformation such as certain plastics, certain composites or even certain metals or alloys.
  • the fastening means are integrated with the connecting link 10 and comprise a bar formed by resilient return means 13 separating two pivots 11, 12 movably mounted inside the passage, along the longitudinal axis of the passage. and capable of evolving each between a compressed position and a rest position in which the pivots are arranged to rest in a housing formed in each horn of the housing.
  • the link 10 comprises two pivots mounted movable in translation in a housing, preferably of straight cylindrical section, formed in the link. These pivots form the fastening means and protrude at the side walls of the connecting link 10, to cooperate with the holes 101, 102 formed in the horns 2, 3 when the connecting link 10 is fixed on the watch case 1.
  • the pivots 11, 12 are movably mounted between a rest position in which they each cooperate with one of the holes 101, 102 of the horns 2, 3 to hold the link 10 against the housing 1, and a compressed position in which the link link 10 is free and the pivots 11,12 are retracted inside the link 10.
  • Each pivot 11, 12 comprises a cylindrical body ensuring the translational guidance in the housing formed inside the connecting link 10, as can be seen on the figure 2 .
  • a spring 13 is placed between the pivots, so as to exert a force tending to maintain the pivots in their rest position.
  • Each pivot 11, 12 also comprises, at one of its ends, a gripping notch 110,120, configured to cooperate with a tool, visible and accessible through the opening 20 so as to by exerting a pressure simultaneously on each of the pivots these are found in compressed position and are no longer protruding.
  • the other end of each of the pivots, called the head has a frustoconical or cylindrical shape, arranged to fit in the holes of the horns 2.3 of the watch case 1.
  • the heads of the pivots allow, according to the geometry of the holes , a “tensioning" operation, that is to say, to exert a restoring force to force the link link against the box firmly and without play.
  • the dimensions and shape of the pivots 11,12 may vary, the body may for example have a longer length so that it is better guided in the housing.
  • the skilled person can also imagine a hollow portion in the body of the pivots 11,12 to receive an end of the spring 13. It can also be provided abutment means in the housing to limit the stroke of the pivots 11,12 in the housing.
  • the pivots 11, 12 may be made of plastics, ceramics, composite materials or even metal or metal alloy, including amorphous or partially amorphous metal alloys.
  • the holes 100, 101 machined in the horns 2, 3 may have a straight cylindrical section or a frustoconical section, as can be seen in FIG. figure 2 .
  • the holes may be machined perpendicularly in the horns as shown in the figures or have any inclination facilitating the machining holes in the horns.
  • the axis A of the holes 100, 101 of the horns 2, 3 and the axis B of the bar are slightly offset, the axes A and B being parallel to each other and in the median plane of the link connecting, so as to offset the axis of the holes relative to the axis of the housing formed in the link 10, which allows to constrain the link link 10 against the watch case by the linear displacement of the pivots in the median plane of the connecting link, in a direction perpendicular to the housing receiving the pivots, and automatically eliminate the clearance between the connecting link 10 and the housing 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
  • Electric Clocks (AREA)
  • Buckles (AREA)

Abstract

L'invention se rapporte à un dispositif de fixation d'un bracelet à un boitier de montre au moyen d'un maillon de liaison, le boîtier de montre comprenant une carrure, au moins une paire de cornes et un fond, le maillon de liaison comprenant un passage recevant des moyens de fixation au boîtier de montre. Selon l'invention, les moyens de fixation sont intégrés au maillon de liaison et comprennent des moyens de rappel élastiques séparant deux pivots montés mobiles à l'intérieur du passage et susceptibles d'évoluer chacun entre une position comprimée et une position de repos dans laquelle les pivots sont agencés pour reposer dans un trou formé dans chaque corne du boitier de montre.

Figure imgaf001
The invention relates to a device for attaching a bracelet to a watch case by means of a connecting link, the watch case comprising a middle part, at least one pair of horns and a bottom, the connecting link comprising a passage receiving fastening means to the watch case. According to the invention, the fastening means are integrated in the connecting link and comprise elastic return means separating two pivots movably mounted inside the passage and capable of changing each between a compressed position and a rest position in which the pivots are arranged to rest in a hole formed in each horn of the watch case.
Figure imgaf001

Description

Domaine de l'inventionField of the invention

La présente invention concerne un dispositif pour relier un bracelet à un boîtier de montre comportant des éléments d'habillage réalisés en un matériau dur tel que du métal. Plus précisément, la présente invention concerne un maillon de liaison muni d'une barrette, tous deux prévus pour relier un bracelet à un boîtier d'une montre.The present invention relates to a device for connecting a bracelet to a watch case comprising dressing elements made of a hard material such as metal. More specifically, the present invention relates to a link link provided with a bar, both provided for connecting a bracelet to a case of a watch.

Arrière-plan de l'inventionBackground of the invention

Il est connu dans l'art antérieur des montres qui sont maintenues au poignet de l'utilisateur au moyen d'un bracelet. Ce bracelet peut être en cuir, en tissu, en caoutchouc, en plastique, en céramique ou encore en métal et est relié aux paires de cornes du boîtier de la montre via des barrettes fixées entre les cornes par exemple.It is known in the prior art watches that are held on the wrist of the user by means of a bracelet. This bracelet can be leather, fabric, rubber, plastic, ceramic or metal and is connected to the pairs of horns of the watch case via bars fixed between the horns for example.

Un tel mode de réalisation présente plusieurs inconvénients. En effet, la barrette traditionnelle comprend plusieurs petites pièces coulissantes formant les extrémités et un cylindre avec un ressort au centre formant le corps et maintenant le tout, ce qui fait que la barrette n'est pas rigide de par sa construction et présente un jeu pour permettre le glissement des pièces entre elles (extrémités repliées dans le corps cylindrique).Such an embodiment has several disadvantages. Indeed, the traditional bar comprises several small sliding parts forming the ends and a cylinder with a spring in the center forming the body and now the whole, so that the bar is not rigid in its construction and has a game for allow the parts to slide between them (folded ends in the cylindrical body).

De plus, le maillon de liaison situé entre la boîte et les autres maillons du bracelet doit présenter des dégagements latéraux pour pouvoir monter et/ou démonter le bracelet, ce qui diminue encore la qualité du maintien de la barrette.In addition, the connecting link between the box and the other links of the bracelet must have lateral clearances to be able to mount and / or disassemble the bracelet, which further reduces the quality of the maintenance of the bar.

Au final, un tel montage implique un jeu visible entre le boitier de la montre au niveau de l'entrecorne, et le maillon de liaison du bracelet, ce qui est inesthétique et donne l'impression d'une mauvaise intégration, ou d'une réalisation de mauvaise facture.In the end, such an assembly involves a visible play between the case of the watch at the entrecorne, and the link link of the bracelet, which is unsightly and gives the impression of a bad integration, or a realization of bad bill.

Résumé de l'inventionSummary of the invention

L'invention a notamment pour objectif de pallier aux différents inconvénients de ces techniques connues.The invention particularly aims to overcome the various disadvantages of these known techniques.

Plus précisément, un objectif de l'invention est de supprimer le jeu visible à l'interface entre le maillon de liaison et le boitier.More specifically, an object of the invention is to eliminate the game visible at the interface between the link link and the box.

Un autre objectif de l'invention est de fournir un ensemble (boîtier-barrette-maillon de liaison) permettant d'avoir des tolérances d'usinages plus larges pour les différentes parties qui le constituent, et simplifiant l'assemblage (II n'est pas nécessaire selon l'invention d'avoir un positionnement initial précis entre la barrette du maillon de liaison et le boîtier). Il est également plus facile pour garantir une co-axialité parfaite comme dans les cas de figures standards actuels, de diminuer le jeu en supprimant l'addition d'éléments mobiles, et de limiter les éléments constitutifs de la barrette.Another object of the invention is to provide an assembly (casing-bar-link link) allowing to have wider machining tolerances for the different parts that constitute it, and simplifying the assembly (II is not not necessary according to the invention to have a precise initial positioning between the bar of the connecting link and the housing). It is also easier to guarantee perfect coaxiality as in the current standard cases of figures, to reduce the game by eliminating the addition of moving elements, and to limit the constituent elements of the bar.

Ces objectifs, ainsi que d'autres qui apparaîtront plus clairement par la suite, sont atteints selon l'invention à l'aide d'un dispositif de fixation d'un bracelet à un boitier de montre au moyen d'un maillon de liaison, le boîtier de montre comprenant une carrure, au moins une paire de cornes et un fond (5), le maillon de liaison comprenant un passage recevant des moyens de fixation au boîtier de montre.These objectives, as well as others which will appear more clearly later, are achieved according to the invention by means of a device for attaching a bracelet to a watch case by means of a connecting link, the watch case comprising a middle part, at least one pair of horns and a bottom (5), the connecting link comprising a passage receiving fastening means to the watch case.

Selon l'invention, les moyens de fixation sont intégrés au maillon de liaison et comprennent des moyens de rappel élastiques séparant deux pivots montés mobiles à l'intérieur du passage, selon l'axe longitudinal du passage et susceptibles d'évoluer chacun entre une position comprimée et une position de repos dans laquelle les pivots sont agencés pour reposer dans un trou formé dans chaque corne du boitier de montre.According to the invention, the fixing means are integrated in the connecting link and comprise elastic return means separating two pivots movably mounted inside the passage, along the longitudinal axis of the passage and capable of changing each between a position. compressed and a rest position in which the pins are arranged to rest in a hole formed in each horn of the watch case.

Conformément à d'autres variantes avantageuses de l'invention :

  • les trous des cornes forment un premier axe, et le passage forme un deuxième axe, le premier axe et le deuxième axe étant non nécessairement coaxiaux ;
  • les pivots comprennent chacun à l'une de leur extrémité, une encoche de préhension agencée pour coopérer avec un outil ;
  • le maillon de liaison comprend une ouverture pour accéder aux encoches de préhension ;
  • les pivots comprennent un corps cylindrique et une tête tronconique, ladite tête étant agencée pour coopérer avec un trou de l'une des cornes du boîtier de montre ;
  • les trous sont de formes cylindrique ou tronconique ;
  • les pivots comprennent un corps cylindrique et une tête de forme tronconique ou cylindrique agencée pour coopérer avec les trous ;
  • les moyens de rappel élastiques comprennent un ressort ;
  • les moyens de rappel élastiques comprennent un couvercle muni de bras élastiques dans le maillon, les bras élastiques étant positionnés contre les pivots de manière à contraindre ces derniers ;
  • le couvercle présente un dégagement facilitant la déformation des bras élastiques et des butées pour limiter le débattement des bras élastiques ;
  • le logement se présente sous la forme d'un cylindre droit ;
  • le maillon de liaison est en matière plastique, en céramique, en composite ou en métal.
According to other advantageous variants of the invention:
  • the holes of the horns form a first axis, and the passage forms a second axis, the first axis and the second axis being not necessarily coaxial;
  • the pivots each comprise at one of their end, a gripping notch arranged to cooperate with a tool;
  • the connecting link comprises an opening for accessing the gripping notches;
  • the pivots comprise a cylindrical body and a frustoconical head, said head being arranged to cooperate with a hole in one of the horns of the watch case;
  • the holes are of cylindrical or frustoconical shape;
  • the pivots comprise a cylindrical body and a frustoconical or cylindrical shaped head arranged to cooperate with the holes;
  • the elastic return means comprise a spring;
  • the elastic return means comprise a cover provided with elastic arms in the link, the resilient arms being positioned against the pivots so as to constrain the latter;
  • the cover has a clearance facilitating the deformation of the resilient arms and stops to limit the movement of the elastic arms;
  • the housing is in the form of a straight cylinder;
  • the connecting link is made of plastic, ceramic, composite or metal.

L'invention concerne aussi et notamment toute pièce d'horlogerie comprenant au moins un maillon de liaison et sa barrette conforme à l'invention.The invention also relates and in particular any timepiece comprising at least one connecting link and its bar according to the invention.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation particulier de l'invention, donné à titre de simple exemple illustratif et non limitatif, et des figures annexées, parmi lesquelles :

  • la figure 1 est une vue de dessous d'une montre équipée d'un maillon de liaison conforme à l'invention ;
  • la figure 2 illustre une vue en coupe selon la ligne D-D de la figure 1 ;
  • la figure 3 est une vue en coupe longitudinale d'une montre équipée d'un maillon de liaison conforme à l'invention ;
  • la figure 4 est une vue en perspective d'un maillon de liaison conforme à l'invention ;
  • la figure 5 est une vue en coupe d'un maillon conforme à l'invention selon un autre mode de réalisation.
Other features and advantages of the invention will appear more clearly on reading the following description of a particular embodiment of the invention, given as a simple illustrative and nonlimiting example, and the appended figures, among which: :
  • the figure 1 is a view from below of a watch equipped with a link link according to the invention;
  • the figure 2 illustrates a sectional view along the line DD of the figure 1 ;
  • the figure 3 is a longitudinal sectional view of a watch equipped with a link link according to the invention;
  • the figure 4 is a perspective view of a link link according to the invention;
  • the figure 5 is a sectional view of a link according to the invention according to another embodiment.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention concerne un dispositif de fixation d'un bracelet à un boitier de montre au moyen d'un maillon de liaison, le boîtier de montre comprenant une carrure, au moins une paire de cornes et un fond, le maillon de liaison comprenant un passage recevant des moyens de fixation au boîtier de montre.The invention relates to a device for attaching a bracelet to a watch case by means of a connecting link, the watch case comprising a middle part, at least one pair of horns and a bottom, the connecting link comprising a passage receiving fastening means to the watch case.

Selon l'invention, les moyens de fixation sont intégrés au maillon de liaison et comprennent une barrette formée par des moyens de rappel élastiques séparant deux pivots montés mobiles à l'intérieur du passage, selon l'axe longitudinal du passage et susceptibles d'évoluer chacun entre une position comprimée et une position de repos dans laquelle les pivots sont agencés pour reposer dans un logement formé dans chaque corne du boitier.According to the invention, the fastening means are integrated in the connecting link and comprise a bar formed by elastic return means separating two pivots movably mounted inside the passage, along the longitudinal axis of the passage and likely to evolve. each between a compressed position and a rest position in which the pins are arranged to rest in a housing formed in each horn of the housing.

On a représenté sur la figure 1 un maillon de liaison 10 agencé pour relier un boîtier de montre 1 et un bracelet. Le maillon de liaison 10 est de forme générale parallélépipédique et est prévu pour être logé sans jeu entre les cornes 2, 3 du boîtier de montre 1. Le maillon de liaison 10 présente deux faces latérales opposées destinées à venir se placer contre les cornes 2 et 3 du boîtier 1. Les deux autres faces latérales opposées sont respectivement l'une placée contre le boîtier 1, et l'autre est destinée à être du côté du bracelet. Cette dernière comprend des moyens d'attache agencés pour recevoir une barrette pour relier le maillon de liaison 10 avec un brin de bracelet. La face latérale reposant contre le boîtier de montre 1 est conformée de manière à épouser la forme du boîtier 1 et ainsi limiter le jeu entre le boîtier 1 et le maillon de liaison 10.We have shown on the figure 1 a connecting link 10 arranged to connect a watch case 1 and a bracelet. Link link 10 is parallelepipedal general shape and is intended to be housed without clearance between the horns 2, 3 of the watch case 1. The connecting link 10 has two opposite side faces intended to be placed against the horns 2 and 3 of the housing 1. The two other opposite side faces are respectively one placed against the housing 1, and the other is intended to be on the side of the bracelet. The latter comprises attachment means arranged to receive a bar for connecting the connecting link 10 with a bracelet strand. The lateral face resting against the watch case 1 is shaped so as to match the shape of the case 1 and thus limit the clearance between the case 1 and the connecting link 10.

Avantageusement, une ouverture est formée au dos du maillon de liaison 10 de manière à pouvoir accéder aux moyens de fixation logés dans un passage formé dans le maillon de liaison 10.Advantageously, an opening is formed on the back of the connecting link 10 so as to be able to access the fastening means housed in a passage formed in the connecting link 10.

De manière avantageuse, l'ouverture 20 est située au centre du maillon de liaison 10, sur la face inférieure, de manière à ce qu'il ne soit pas visible par le porteur. Telle qu'illustrée, l'ouverture 20 est de forme oblongue mais peu très bien prendre d'autres formes. Il est possible d'occulter cette ouverture 20 au moyen d'un cache en caoutchouc par exemple, de cette manière aucun corps étranger ne peut venir se loger dans le logement 100 via l'ouverture 20.Advantageously, the opening 20 is located in the center of the connecting link 10, on the underside, so that it is not visible to the wearer. As illustrated, the opening 20 is oblong but not very well take other forms. It is possible to conceal this opening 20 by means of a rubber cover for example, in this way no foreign body can be housed in the housing 100 via the opening 20.

Selon un mode de réalisation particulier de l'invention, le maillon de liaison 10 comprend un couvercle 30 muni de bras élastiques 32 permettant de remplacer les moyens de rappel élastiques. Un tel couvercle 30 est mis en place dans le maillon 10 et est traversé en son centre et sur sa hauteur par un perçage 34 pour le passage d'une vis 35 ou tout autre moyen de fixation. Comme on peut le voir, le couvercle 30 comprend deux bras 32 déformables élastiquement positionnés contre les pivots 11, 12, et jouant le rôle de ressorts. Avantageusement, le couvercle 30 présente un dégagement 31 facilitant la déformation des bras élastiques 32 et des butées 33 pour limiter le débattement des bras élastiques et éviter une trop grande déformation de ces derniers.According to a particular embodiment of the invention, the connecting link 10 comprises a cover 30 provided with elastic arms 32 for replacing the elastic return means. Such a cover 30 is placed in the link 10 and is crossed at its center and on its height by a bore 34 for the passage of a screw 35 or any other fastening means. As can be seen, the cover 30 comprises two elastically deformable arms 32 positioned against the pivots 11, 12, and acting as springs. Advantageously, the cover 30 has a clearance 31 facilitating the deformation of the elastic arms 32 and stops 33 for limit the travel of the elastic arms and avoid excessive deformation of the latter.

Le couvercle 30 peut être réalisé dans toute matière permettant une déformation élastique telle que certaines matières plastiques, certains composites ou bien encore certains métaux ou alliages.The lid 30 may be made of any material that allows elastic deformation such as certain plastics, certain composites or even certain metals or alloys.

Selon l'invention, les moyens de fixation sont intégrés au maillon de liaison 10 et comprennent une barrette formée par des moyens de rappel élastiques 13 séparant deux pivots 11, 12 montés mobiles à l'intérieur du passage, selon l'axe longitudinal du passage et susceptibles d'évoluer chacun entre une position comprimée et une position de repos dans laquelle les pivots sont agencés pour reposer dans un logement formé dans chaque corne du boitier.According to the invention, the fastening means are integrated with the connecting link 10 and comprise a bar formed by resilient return means 13 separating two pivots 11, 12 movably mounted inside the passage, along the longitudinal axis of the passage. and capable of evolving each between a compressed position and a rest position in which the pivots are arranged to rest in a housing formed in each horn of the housing.

Le maillon 10 comprend deux pivots montés mobiles en translation dans un logement, préférentiellement de section cylindrique droite, formé dans le maillon. Ces pivots forment les moyens de fixation et sont saillants au niveau des parois latérales du maillon de liaison 10, pour pouvoir coopérer avec les trous 101, 102 formés dans les cornes 2, 3 lorsque le maillon de liaison 10 est fixé sur le boîtier de montre 1.The link 10 comprises two pivots mounted movable in translation in a housing, preferably of straight cylindrical section, formed in the link. These pivots form the fastening means and protrude at the side walls of the connecting link 10, to cooperate with the holes 101, 102 formed in the horns 2, 3 when the connecting link 10 is fixed on the watch case 1.

Les pivots 11, 12 sont montés mobiles entre une position de repos dans laquelle ils coopèrent chacun avec l'un des trous 101, 102 des cornes 2, 3 pour maintenir le maillon 10 contre le boîtier 1, et une position comprimée dans laquelle le maillon de liaison 10 est libre et les pivots 11,12 sont rétractés à l'intérieur du maillon 10.The pivots 11, 12 are movably mounted between a rest position in which they each cooperate with one of the holes 101, 102 of the horns 2, 3 to hold the link 10 against the housing 1, and a compressed position in which the link link 10 is free and the pivots 11,12 are retracted inside the link 10.

Chaque pivot 11, 12 comprend un corps cylindrique assurant le guidage en translation dans le logement formé à l'intérieur du maillon de liaison 10, comme on peut le voir sur la figure 2. Un ressort 13 est placé entre les pivots, de manière à exercer une force tendant à maintenir les pivots dans leur position de repos. Chaque pivot 11, 12 comprend également, à l'une de ses extrémités, une encoche de préhension 110,120, configurée pour coopérer avec un outil, visible et accessible par l'ouverture 20 de manière à ce qu'en exerçant une pression simultanément sur chacun des pivots ces derniers se retrouvent en position comprimée et ne soient plus saillants. L'autre extrémité de chacun des pivots, appelée tête, présente une forme tronconique ou cylindrique, agencée pour se loger dans les trous des cornes 2,3 du boîtier de montre 1. Ainsi, les têtes des pivots permettent, selon la géométrie des trous, un fonctionnement « tendeur », c'est-à-dire, d'exercer une force de rappel pour contraindre le maillon de liaison contre la boîte fermement et sans jeu.Each pivot 11, 12 comprises a cylindrical body ensuring the translational guidance in the housing formed inside the connecting link 10, as can be seen on the figure 2 . A spring 13 is placed between the pivots, so as to exert a force tending to maintain the pivots in their rest position. Each pivot 11, 12 also comprises, at one of its ends, a gripping notch 110,120, configured to cooperate with a tool, visible and accessible through the opening 20 so as to by exerting a pressure simultaneously on each of the pivots these are found in compressed position and are no longer protruding. The other end of each of the pivots, called the head, has a frustoconical or cylindrical shape, arranged to fit in the holes of the horns 2.3 of the watch case 1. Thus, the heads of the pivots allow, according to the geometry of the holes , a "tensioning" operation, that is to say, to exert a restoring force to force the link link against the box firmly and without play.

Bien évidemment les dimensions et la forme des pivots 11,12 peuvent varier, le corps peut par exemple présenter une longueur plus grande de manière à ce qu'il soit mieux guidé dans le logement. L'homme du métier pourra également imaginer une partie creuse dans le corps des pivots 11,12 pour recevoir une extrémité du ressort 13. Il peut également être prévu des moyens de butée dans le logement pour limiter la course des pivots 11,12 dans le logement.Of course the dimensions and shape of the pivots 11,12 may vary, the body may for example have a longer length so that it is better guided in the housing. The skilled person can also imagine a hollow portion in the body of the pivots 11,12 to receive an end of the spring 13. It can also be provided abutment means in the housing to limit the stroke of the pivots 11,12 in the housing.

Les pivots 11, 12 peuvent être réalisé en matière plastiques, en céramique, en matériaux composites ou encore en métal ou alliage métallique, y compris les alliages métalliques amorphes ou partiellement amorphes.The pivots 11, 12 may be made of plastics, ceramics, composite materials or even metal or metal alloy, including amorphous or partially amorphous metal alloys.

Les trous 100, 101 usinés dans les cornes 2,3 peuvent présenter une section cylindrique droite ou bien une section tronconique, comme on peut l'observer à la figure 2. Les trous peuvent être usinés perpendiculaire dans les cornes comme illustrés sur les figures ou présenter une inclinaison quelconque facilitant l'usinage des trous dans les cornes.The holes 100, 101 machined in the horns 2, 3 may have a straight cylindrical section or a frustoconical section, as can be seen in FIG. figure 2 . The holes may be machined perpendicularly in the horns as shown in the figures or have any inclination facilitating the machining holes in the horns.

Selon un aspect particulièrement avantageux de l'invention, l'axe A des trous 100,101 des cornes 2, 3 et l'axe B de la barrette sont légèrement décalés, les axes A et B étant parallèles entre eux et dans le plan médian du maillon de liaison, de manière à décaler l'axe des trous par rapport à l'axe du logement formé dans le maillon 10, ce qui permet de contraindre le maillon de liaison 10 contre le boîtier de montre par le déplacement linéaire des pivots dans le plan médian du maillon de liaison, selon une direction perpendiculaire au logement recevant les pivots, et d'éliminer automatiquement le jeu entre le maillon de liaison 10 et le boîtier 1.According to a particularly advantageous aspect of the invention, the axis A of the holes 100, 101 of the horns 2, 3 and the axis B of the bar are slightly offset, the axes A and B being parallel to each other and in the median plane of the link connecting, so as to offset the axis of the holes relative to the axis of the housing formed in the link 10, which allows to constrain the link link 10 against the watch case by the linear displacement of the pivots in the median plane of the connecting link, in a direction perpendicular to the housing receiving the pivots, and automatically eliminate the clearance between the connecting link 10 and the housing 1.

Il va de soi que la présente invention n'est pas limitée au mode de réalisation qui vient d'être décrit et que diverses modifications et variantes simples peuvent être envisagées par l'homme du métier sans sortir du cadre de l'invention tel que défini par les revendications annexées à la présente demande de brevet. En particulier, on comprendra que bien qu'ayant été décrite en liaison avec un maillon de bracelet et un boîtier de montre réalisés en matériau métallique, la présente invention peut s'appliquer de manière identique à des maillons et à des boîtiers réalisés en un autre matériau dur tel que la céramique, un composite ou encore des matières plastiques. Le maillon de liaison peut aussi être un insert rigide surmoulé de plastique, de caoutchouc ou recouvert de cuir ou de tissu.It goes without saying that the present invention is not limited to the embodiment which has just been described and that various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the invention as defined by the claims appended to this patent application. In particular, it will be understood that although it has been described in connection with a bracelet link and a watch case made of metallic material, the present invention can be applied identically to links and housings made in another hard material such as ceramic, a composite or plastics. The link link may also be a rigid insert overmolded with plastic, rubber or covered with leather or fabric.

Claims (13)

Dispositif de fixation d'un bracelet à un boitier de montre (1) au moyen d'un maillon de liaison (10), le boîtier de montre (1) comprenant une carrure (4), au moins une paire de cornes (2,3) et un fond (5), le maillon de liaison (10) comprenant un passage (100) recevant des moyens de fixation au boîtier de montre (1),
caractérisé en ce que les moyens de fixation sont intégrés au maillon de liaison (10) et comprennent des moyens de rappel élastiques (13) séparant deux pivots (11, 12) montés mobiles à l'intérieur du passage (100), selon l'axe longitudinal du passage et susceptibles d'évoluer chacun entre une position comprimée et une position de repos dans laquelle les pivots (11, 12) sont agencés pour reposer dans un trou (101, 102) formé dans chaque corne (2, 3) du boitier de montre (1).Device for attaching a bracelet to a watch case (1) by means of a connecting link (10), the watch case (1) comprising a middle part (4), at least one pair of horns (2, 3) and a bottom (5), the connecting link (10) comprising a passage (100) receiving fastening means to the watch case (1),
characterized in that the fastening means are integrated with the connecting link (10) and comprise elastic return means (13) separating two pivots (11, 12) movably mounted inside the passage (100), according to the longitudinal axis of the passage and capable of evolving each between a compressed position and a rest position in which the pivots (11, 12) are arranged to rest in a hole (101, 102) formed in each horn (2, 3) of watch case (1). Dispositif de fixation selon la revendication 1, dans lequel les trous (101, 102) des cornes (2, 3) forment un premier axe (A), et le passage (100) forme un deuxième axe (B), le premier axe (A) et le deuxième axe (B) étant non nécessairement coaxiaux.Fastening device according to claim 1, wherein the holes (101, 102) of the horns (2, 3) form a first axis (A), and the passage (100) forms a second axis (B), the first axis ( A) and the second axis (B) are not necessarily coaxial. Dispositif de fixation selon la revendication 1 ou 2, dans lequel lesdits deux pivots (11, 12) comprennent chacun à l'une de leurs extrémités, une encoche de préhension (110, 120), agencée pour coopérer avec un outil.Fastening device according to claim 1 or 2, wherein said two pivots (11, 12) each comprise at one of their ends, a gripping notch (110, 120), arranged to cooperate with a tool. Dispositif de fixation selon la revendication 3, dans lequel le maillon de liaison (10) comprend une ouverture (20) pour accéder aux encoches de préhension (110, 120).Fastening device according to claim 3, wherein the connecting link (10) comprises an opening (20) for accessing the gripping notches (110, 120). Dispositif de fixation selon l'une des revendications 1 à 4, dans lequel les pivots (11,12) comprennent un corps cylindrique et une tête tronconique, ladite tête étant agencée pour coopérer avec un trou (101, 102) de l'une des cornes (2, 3) du boîtier de montre (1).Fastening device according to one of claims 1 to 4, wherein the pivots (11,12) comprise a cylindrical body and a frustoconical head, said head being arranged to cooperate with a hole (101, 102) of one of horns (2, 3) of the watch case (1). Dispositif de fixation selon l'une des revendications 1 à 5, dans lequel les trous (2,3) sont de formes cylindrique ou tronconique.Fastening device according to one of claims 1 to 5, wherein the holes (2,3) are cylindrical or frustoconical. Dispositif de fixation selon l'une des revendications 1 à 6, dans lequel les pivots (11,12) comprennent un corps cylindrique et une tête de forme tronconique ou cylindrique agencée pour coopérer avec les trous (101, 102).Fastening device according to one of claims 1 to 6, wherein the pivots (11,12) comprise a cylindrical body and a frustoconical or cylindrical shaped head arranged to cooperate with the holes (101, 102). Dispositif de fixation selon l'une des revendications 1 à 7 dans lequel les moyens de rappel élastiques (13) comprennent un ressort.Fastening device according to one of claims 1 to 7 wherein the elastic return means (13) comprise a spring. Dispositif de fixation selon l'une des revendications 1 à 7, dans lequel les moyens de rappel élastiques comprennent un couvercle (30) muni de bras élastiques (32) dans le maillon (10), les bras élastiques (32) étant positionnés contre les pivots (11,12) de manière à contraindre ces derniers.Fastening device according to one of claims 1 to 7, wherein the elastic return means comprises a cover (30) provided with elastic arms (32) in the link (10), the elastic arms (32) being positioned against the pivots (11,12) so as to constrain them. Dispositif de fixation selon la revendication 9, dans lequel le couvercle 30 présente un dégagement (31) facilitant la déformation des bras élastiques (32) et des butées (33) pour limiter le débattement des bras élastiques (32).Fastening device according to claim 9, wherein the cover 30 has a recess (31) facilitating the deformation of the elastic arms (32) and stops (33) to limit the movement of the elastic arms (32). Dispositif de fixation selon l'une des revendications 1 à 10, dans lequel le logement (100) se présente sous la forme d'un cylindre droit.Fastening device according to one of claims 1 to 10, wherein the housing (100) is in the form of a straight cylinder. Dispositif de fixation selon l'une des revendications 1 à 11, dans laquelle le maillon de liaison est en matière plastique, en céramique, en composite ou en métal.Fastening device according to one of claims 1 to 11, wherein the connecting link is plastic, ceramic, composite or metal. Montre comprenant un boitier formé par une carrure (4) présentant deux paires de cornes (2,3) définissant un espace de liaison avec la carrure (4), et comprenant au moins un maillon de liaison (10) selon l'une des revendications précédentes, le maillon de liaison (10) se logeant dans l'espace de liaison.Watch comprising a case formed by a caseband (4) having two pairs of horns (2,3) defining a connection space with the middle part (4), and comprising at least one connecting link (10) according to one of the claims previous, the connecting link (10) being housed in the connection space.
EP16202428.5A 2016-12-06 2016-12-06 Attachment device Active EP3333643B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP16202428.5A EP3333643B1 (en) 2016-12-06 2016-12-06 Attachment device
US15/819,965 US10359739B2 (en) 2016-12-06 2017-11-21 Fixing device
JP2017228593A JP6437081B2 (en) 2016-12-06 2017-11-29 Fixed device
CN201711265433.XA CN108143056B (en) 2016-12-06 2017-12-05 Fixing device
HK18115040.8A HK1255966B (en) 2016-12-06 2018-11-23 Fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16202428.5A EP3333643B1 (en) 2016-12-06 2016-12-06 Attachment device

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EP3333643A1 true EP3333643A1 (en) 2018-06-13
EP3333643B1 EP3333643B1 (en) 2020-02-05

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EP (1) EP3333643B1 (en)
JP (1) JP6437081B2 (en)
CN (1) CN108143056B (en)

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EP3560371B1 (en) * 2018-04-26 2023-12-27 Rolex Sa Device for securing a strap to a watch case
CN109043751B (en) * 2018-06-28 2021-01-26 立讯电子科技（昆山）有限公司 Connection structure and wearing equipment
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Also Published As

Publication number Publication date
EP3333643B1 (en) 2020-02-05
US20180157216A1 (en) 2018-06-07
HK1255966A1 (en) 2019-09-06
JP6437081B2 (en) 2018-12-12
CN108143056B (en) 2020-05-22
US10359739B2 (en) 2019-07-23
JP2018091843A (en) 2018-06-14
CN108143056A (en) 2018-06-12

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