EP2325706A1 - Fixing device for a bracelet - Google Patents

Fixing device for a bracelet Download PDF

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Publication number
EP2325706A1
EP2325706A1 EP09176352A EP09176352A EP2325706A1 EP 2325706 A1 EP2325706 A1 EP 2325706A1 EP 09176352 A EP09176352 A EP 09176352A EP 09176352 A EP09176352 A EP 09176352A EP 2325706 A1 EP2325706 A1 EP 2325706A1
Authority
EP
European Patent Office
Prior art keywords
bar
piston
arm
fastening device
bracelet
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
EP09176352A
Other languages
German (de)
French (fr)
Other versions
EP2325706B1 (en
Inventor
Cédric Kaltenrieder
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 Management Services AG
Original Assignee
Swatch Group Management Services AG
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 Management Services AG filed Critical Swatch Group Management Services AG
Priority to EP09176352A priority Critical patent/EP2325706B1/en
Priority to JP2010254434A priority patent/JP5031882B2/en
Priority to US12/948,328 priority patent/US8613127B2/en
Priority to CN201010554556.7A priority patent/CN102150980B/en
Publication of EP2325706A1 publication Critical patent/EP2325706A1/en
Priority to HK12101443.7A priority patent/HK1161049A1/en
Application granted granted Critical
Publication of EP2325706B1 publication Critical patent/EP2325706B1/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
    • G04B37/1493—Arrangements for fixing to a bracelet by means of a feather spring (Barette á ressort)
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/47—Strap-end-attaching devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/47—Strap-end-attaching devices
    • Y10T24/4782—Watch strap

Definitions

  • the present invention relates to the field of watchmaking or jewelery. It relates more specifically to a device for attaching a bracelet to an object, in particular a watch case.
  • the bracelets leather or metal, are attached to the horns of a watch case, through a bar formed of a tube, in which are mounted two pistons movable in translation, and an elastic member disposed between said pistons and tending to drive outwardly of the tube.
  • Said bar is mounted in a housing provided for this purpose at one end of the bracelet, and the pistons are engaged in blind bores made vis-à-vis in the horns of the box.
  • Such devices usually comprise a bar, of the type described above, on which is mounted, passing through the tube, an actuating member of the pistons.
  • Said actuating member is, for example, a radial finger integral with one of the pistons, as described in the patent CH327838 .
  • the finger is slidably mounted through an axial slot in the tube, and its movement along the slot makes it possible to push one of the pistons inside the tube.
  • the actuating member is a push button mounted radially movable through the tube.
  • the pistons are provided with bearing surfaces located vis-a-vis when the two pistons are mounted heads-spades in the tube.
  • the push button has two arms cooperating with said bearing surfaces so as to pull the pistons inwardly of the tube when it is depressed.
  • the fastening devices thus described are generally used for interchangeable straps, they can replace at the option of the wearer. However, they are not free of drawbacks. It will be noted, in particular, that they require major structural modifications at the bar, such as, for example, the realization of an opening at the tube, or the transformation of the pistons. These changes result in significant manufacturing costs.
  • These fixing devices comprise, moreover, a prominent element, namely the actuating member, which can catch or injure the wearer of the watch.
  • the present invention makes it possible to overcome these disadvantages by proposing a device for attaching a bracelet comprising a standard bar and at least one non-prominent actuating member. More precisely, the invention relates to a device for attaching a bracelet to an object, in particular a watch case, comprising a bar formed of a tube in which at least a first movable piston is accommodated in translation, and an elastic member. tending to drive the piston out of the tube.
  • the fixing device further comprises a mechanism for actuating the bar comprising a first angled arm mounted to slide axially with respect to the bar between a retracted position A and an extended position B, and one end of which cooperates with the first piston to push it towards the inside of the tube, and a first control member cooperating with the first arm so as to move it from the retracted position A to the deployed position B and vice versa.
  • a mechanism for actuating the bar comprising a first angled arm mounted to slide axially with respect to the bar between a retracted position A and an extended position B, and one end of which cooperates with the first piston to push it towards the inside of the tube, and a first control member cooperating with the first arm so as to move it from the retracted position A to the deployed position B and vice versa.
  • the sliding arm can actuate the piston from outside the bar, at one of its ends, without structural modification of the bar.
  • the first control member is formed of a lever pivotally mounted above the first arm, between a folded position C, and a rectified position D, respectively corresponding to the extended position B and in the retracted position A of the first arm.
  • control member does not protrude from the rest of the device when the piston is in the extended position B, particularly when the bracelet is attached to a watch case.
  • the bracelet comprises a housing in which the bar is mounted, and the actuating mechanism is fixed on the bracelet in the vicinity of the bar.
  • the actuating mechanism is integral with the bar, and the bracelet comprises a housing in which it is housed, the first control member being mounted emerging from the housing.
  • the fastening device shown in Figures 1 and 2 and referenced as a whole 1, conventionally comprises a strip 10 of axis AA mounted in a housing 11 provided for this purpose in a leather strap, metal or plastic.
  • said housing 11 is formed by a fold of a leather strap at one of its ends, while in figure 2 it consists of a bore through the attachment link of a metal bracelet.
  • the housing 11 is provided at its ends, two axial clearances 12 made on the inner face of the bracelet, that is to say the face provided to come into contact with the wrist. The function of these clearances 12 will be described later.
  • the bar 10 comprises, as standard, a tube 13, not visible on the Figures 1 and 2 , in which are slidably mounted two flanged pistons 14.
  • An elastic member such as a coil spring, is conventionally interposed between the two pistons 14, so as to drive them outwardly of the tube 13.
  • the fixing device 1 further comprises an actuating mechanism 20 of the bar 10, mounted on the inner face of the bracelet, above the housing 11. It comprises a support element 21, attached to the bracelet at location described previously.
  • the support member 21 is, for example, fixed by gluing or screwing.
  • the metal bracelet it can be screwed, welded or clipped into a cavity 22 provided for this purpose.
  • the support member 21 is formed generally of a flat parallelepiped. Alternatively, it could consist of two U-shaped profiles mounted vis-a-vis, in parallel with each other.
  • the actuating mechanism 20 of the bar 10 is represented, in Figures 3 and 4 , in two longitudinal sections, respectively perpendicular to the support member 21, passing through the axis AA of the bar 10, and in the plane of said element.
  • the support member 21 has two longitudinal slots 23, open on both sides parallelepipedal side, in which are mounted sliding, two arms 24. These are generally constituted by two L-shaped bent blades, the longest strands 25 are slidably mounted inside the slots 23, between a position retracted A, and an extended position B, and whose shortest strands 26, cooperate with the pistons 14.
  • the short strands 26 are pierced with a hole 27 at their end, in which are freely engaged the ends pistons 14.
  • the long strands 25 are slit at their ends so as to separate each into two fingers 30 forming an elastic U in the plane of said strands 25.
  • the fingers 30 are provided with a protuberance 31, extending in the plane of the strands 25 , outwards.
  • the slots 23 are provided with a first constriction 32 intended to guide the arms 24 as well as to cooperate with the protuberances 31 to prevent the arms 24 from coming out of the cavities 23 in the extended position B. They comprise, in addition, a second throttle 33, located near their bottom, intended to cooperate with the protuberances 31 to lock the arms 24 in the retracted position A.
  • the long strands 25 are further provided with an opening 34 located near the elbow of the arms 24 , whose function will appear later.
  • the arms 24 are slidably mounted within said profiles.
  • the profiles are then provided with the constrictions 32 and 33 intended to block the arms 24.
  • the actuating mechanism 20 of the bar 10 further comprises two control members 35 of the arms 24, pivotably mounted on the support member 21, between a folded position C and a rectified position D, above the arms 24.
  • Said members 35 are generally formed of a lever mounted pivoting about an axis BB perpendicular to the axis AA and substantially parallel to the plane of the support member 21.
  • Said lever is bent so as to form an actuating finger 36 oriented at right angles or slightly obtuse, which is engaged in the opening 34 long strands 25.
  • the operation of the fixing device thus described is as follows.
  • the control members 35 are normally in the folded position C on the support member 21. In this position, the fingers 36 engaged in the openings 34 push the arms 24 towards the outside of the cavities 23.
  • the arms 24 are then locked in position.
  • deployed position B on one side by the actuating fingers 36, on the other hand, by the constriction 32.
  • the pistons 14 of the bar 10 are driven out of the tube 13 by the elastic member interposed between them. Their end protrudes from the bracelet.
  • the control members 35 are tilted to the upright position D, the actuating fingers 36 engaged in the openings 34 push the arms 24 towards the inside of the cavities 23.
  • the arms 24 are then locked in the retracted position A, by the In this retracted position, the short strands 26, resting on the shoulders 29, keep the pistons 14 inside the housing 11, against the action of the elastic member interposed between the pistons 14.
  • this upright position D the bracelet can be engaged between the horns of a watch case, provided with blind bores.
  • To attach the bracelet to the box it is sufficient to fold down the control members 35 on the housing 21 in position C.
  • the end of the pistons 14 is engaged in the bores and the bracelet is secured to the box.
  • the user has only to straighten the control members 35 in position D.
  • the pistons 14 emerge blind bores and the bracelet is released.
  • a fastening device 1 of a bracelet provided with a standard type of bar and allowing the assembly and disassembly of said bracelet to a box, without the use of a tool.
  • the fastening device of a bracelet according to the invention is not limited to the embodiment just described and various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the invention. invention as defined by the appended claims.
  • the fixing device 1 described above has a symmetry with respect to a plane perpendicular to the axis AA of the bar 10. It is therefore provided with two sliding pistons 14, actuated by two arms 24, they even controlled by two control members 35.
  • the fastening device 1 could have only one sliding piston 14, the other piston 14 then being fixedly mounted.
  • the mounting of the bracelet on the box should begin with the introduction of the fixed piston in a bore of the horn, the movable piston being in the retracted position. Once the bracelet housed between the two horns and the fixed piston engaged in its bore, the movable piston should be actuated in the deployed position.
  • the actuating mechanism 20 of the bar 10 is disjoint from the bar 10, and mounted directly on the bracelet.
  • the actuating device 20 of the bar 10 could be integral therewith, the support member being welded or fixed by means of flanges to the tube.
  • the bar assembly - actuating mechanism would then be mounted in a housing 11 provided for this purpose, which only the control members 35 emerge.

Abstract

The device (1) has a bent arm which is slidably mounted axially relative to bar (10) between a retracted position A and a deployed position B. One end of arm cooperates with a piston to push a latter towards interior of a tube. A controller cooperates with the arm to move the arm from the retracted position A to the deployed position B and vice versa.

Description

La présente invention se rapporte au domaine de l'horlogerie ou de la bijouterie. Elle concerne plus précisément un dispositif de fixation d'un bracelet à un objet, notamment une boîte de montre.The present invention relates to the field of watchmaking or jewelery. It relates more specifically to a device for attaching a bracelet to an object, in particular a watch case.

Généralement, les bracelets, en cuir ou en métal, sont fixés aux cornes d'une boîte de montre, par l'intermédiaire d'une barrette formée d'un tube, dans lequel sont montés deux pistons mobiles en translation, et un organe élastique disposé entre lesdits pistons et tendant à les chasser vers l'extérieur du tube. Ladite barrette est montée dans un logement prévu à cet effet à une extrémité du bracelet, et les pistons sont engagés dans des alésages borgnes réalisés en vis-à-vis dans les cornes de la boîte.Generally, the bracelets, leather or metal, are attached to the horns of a watch case, through a bar formed of a tube, in which are mounted two pistons movable in translation, and an elastic member disposed between said pistons and tending to drive outwardly of the tube. Said bar is mounted in a housing provided for this purpose at one end of the bracelet, and the pistons are engaged in blind bores made vis-à-vis in the horns of the box.

Pour désolidariser un bracelet ainsi fixé à une boîte, il faut disposer d'un outil conçu pour repousser les pistons dans le tube, à l'encontre de la contrainte exercée par l'organe élastique, et les extraire ainsi des alésages. Le porteur de la montre n'est pas en permanence muni d'un tel outil, et de plus, son utilisation peut s'avérer incommode. C'est pourquoi les bracelets munis d'un tel dispositif de fixation sont généralement attachés de manière permanente à la boîte.To separate a bracelet thus fixed to a box, it is necessary to have a tool designed to push the pistons in the tube, against the stress exerted by the elastic member, and thus extract the bores. The wearer of the watch is not permanently equipped with such a tool, and moreover, its use can be inconvenient. This is why bracelets with such a fastener are usually permanently attached to the box.

Il existe par ailleurs des dispositifs de fixation permettant de désolidariser le bracelet de la boîte sans recourir à un outil. De tels dispositifs comportent habituellement une barrette, du type décrit précédemment, sur laquelle est monté, traversant le tube, un organe d'actionnement des pistons. Ledit organe d'actionnement est, par exemple, un doigt radial solidaire d'un des pistons, tel que décrit dans le brevet CH327838 . Le doigt est monté coulissant à travers une fente axiale pratiquée dans le tube, et son déplacement le long de la fente permet de repousser l'un des pistons à l'intérieur du tube. Dans le brevet CH697152 , l'organe d'actionnement est un bouton poussoir monté mobile radialement à travers le tube. Les pistons sont munis de surfaces d'appui situées en vis-à-vis lorsque les deux pistons sont montés têtes-bêches dans le tube. Le bouton poussoir comporte deux bras coopérant avec lesdites surfaces d'appui de manière à tirer les pistons vers l'intérieur du tube lorsqu'il est enfoncé.There are also fasteners for detaching the bracelet from the box without using a tool. Such devices usually comprise a bar, of the type described above, on which is mounted, passing through the tube, an actuating member of the pistons. Said actuating member is, for example, a radial finger integral with one of the pistons, as described in the patent CH327838 . The finger is slidably mounted through an axial slot in the tube, and its movement along the slot makes it possible to push one of the pistons inside the tube. In the patent CH697152 , the actuating member is a push button mounted radially movable through the tube. The pistons are provided with bearing surfaces located vis-a-vis when the two pistons are mounted heads-spades in the tube. The push button has two arms cooperating with said bearing surfaces so as to pull the pistons inwardly of the tube when it is depressed.

Les dispositifs de fixations ainsi décrits sont généralement employés pour des bracelets interchangeables, qu'ils permettent de remplacer au gré du porteur. Ils ne sont toutefois pas exempts d'inconvénients. On notera, en particulier, qu'ils nécessitent des modifications structurelles majeures au niveau de la barrette, telles que, par exemple, la réalisation d'une ouverture au niveau du tube, ou la transformation des pistons. Ces changements entraînent des surcoûts de fabrication importants. Ces dispositifs de fixation comportent, par ailleurs, un élément proéminent, à savoir l'organe d'actionnement, qui peut s'accrocher ou blesser le porteur de la montre.The fastening devices thus described are generally used for interchangeable straps, they can replace at the option of the wearer. However, they are not free of drawbacks. It will be noted, in particular, that they require major structural modifications at the bar, such as, for example, the realization of an opening at the tube, or the transformation of the pistons. These changes result in significant manufacturing costs. These fixing devices comprise, moreover, a prominent element, namely the actuating member, which can catch or injure the wearer of the watch.

La présente invention permet de pallier ces inconvénients, en proposant un dispositif de fixation d'un bracelet comprenant une barrette standard et au moins un organe d'actionnement non proéminant. Plus exactement, l'invention concerne un dispositif de fixation d'un bracelet à un objet, notamment une boîte de montre, comprenant une barrette formée d'un tube dans lequel sont logés au moins un premier piston mobile en translation, et un organe élastique tendant à chasser le piston à l'extérieur du tube. Selon l'invention, le dispositif de fixation comporte encore un mécanisme d'actionnement de la barrette comprenant un premier bras coudé monté coulissant axialement par rapport à la barrette entre une position rétractée A et une position déployée B, et dont une extrémité coopère avec le premier piston pour le pousser vers l'intérieur du tube, et un premier organe de commande coopérant avec le premier bras de manière à le faire passer de la position rétractée A à la position déployée B et inversement.The present invention makes it possible to overcome these disadvantages by proposing a device for attaching a bracelet comprising a standard bar and at least one non-prominent actuating member. More precisely, the invention relates to a device for attaching a bracelet to an object, in particular a watch case, comprising a bar formed of a tube in which at least a first movable piston is accommodated in translation, and an elastic member. tending to drive the piston out of the tube. According to the invention, the fixing device further comprises a mechanism for actuating the bar comprising a first angled arm mounted to slide axially with respect to the bar between a retracted position A and an extended position B, and one end of which cooperates with the first piston to push it towards the inside of the tube, and a first control member cooperating with the first arm so as to move it from the retracted position A to the deployed position B and vice versa.

Grâce à sa forme coudée, le bras coulissant peut actionner le piston depuis l'extérieur de la barrette, par l'une de ses extrémités, sans modification structurelle de la barrette.Thanks to its bent shape, the sliding arm can actuate the piston from outside the bar, at one of its ends, without structural modification of the bar.

Dans un mode de réalisation avantageux de l'invention, le premier organe de commande est formé d'un levier monté basculant au dessus du premier bras, entre une position rabattue C, et une position redressée D, correspondant respectivement à la position déployée B et à la position rétractée A du premier bras.In an advantageous embodiment of the invention, the first control member is formed of a lever pivotally mounted above the first arm, between a folded position C, and a rectified position D, respectively corresponding to the extended position B and in the retracted position A of the first arm.

Grâce à cette caractéristique de l'organe de commande, ce dernier ne fait pas saillie par rapport au reste du dispositif lorsque le piston est en position déployée B, en particulier lorsque le bracelet est fixé à une boîte de montre.Due to this characteristic of the control member, the latter does not protrude from the rest of the device when the piston is in the extended position B, particularly when the bracelet is attached to a watch case.

Dans un mode de réalisation possible, le bracelet comporte un logement dans lequel est montée la barrette, et le mécanisme d'actionnement est fixé sur le bracelet au voisinage de la barrette. Dans un autre mode de réalisation possible, le mécanisme d'actionnement est solidaire de la barrette, et le bracelet comporte un logement dans lequel il est logé, le premier organe de commande étant monté émergeant du logement.In one possible embodiment, the bracelet comprises a housing in which the bar is mounted, and the actuating mechanism is fixed on the bracelet in the vicinity of the bar. In another possible embodiment, the actuating mechanism is integral with the bar, and the bracelet comprises a housing in which it is housed, the first control member being mounted emerging from the housing.

D'autres caractéristiques et avantages de la présente invention ressortiront plus clairement de la description détaillée qui suit d'un exemple de réalisation d'un dispositif de fixation d'un bracelet selon l'invention, cet exemple étant donné à titre purement illustratif et non limitatif seulement, en liaison avec le dessin annexé sur lequel :

  • la figure 1 est une vue en perspective d'un dispositif de fixation selon l'invention intégré dans un bracelet cuir,
  • la figure 2 représente le même dispositif monté sur un maillon de bracelet métallique,
  • la figure 3 illustre une première vue en coupe longitudinale du dispositif de fixation selon l'invention, et
  • la figure 4 est une deuxième vue en coupe longitudinale, perpendiculaire à la première, dudit dispositif.
Other features and advantages of the present invention will emerge more clearly from the following detailed description of an exemplary embodiment of a fastening device of a bracelet according to the invention, this example being given for purely illustrative purposes and not limiting only in connection with the attached drawing in which:
  • the figure 1 is a perspective view of a fastening device according to the invention integrated into a leather strap,
  • the figure 2 represents the same device mounted on a metal bracelet link,
  • the figure 3 illustrates a first view in longitudinal section of the fixing device according to the invention, and
  • the figure 4 is a second longitudinal sectional view, perpendicular to the first, of said device.

Le dispositif de fixation représenté en figures 1 et 2 et référencé dans son ensemble 1, comporte classiquement une barrette 10 d'axe AA montée dans un logement 11 prévu à cet effet dans un bracelet en cuir, en métal ou en plastique. En figure 1, ledit logement 11 est formé par un repli d'un bracelet en cuir à l'une de ses extrémités, tandis qu'en figure 2, il est constitué d'un alésage traversant le maillon d'attache d'un bracelet métallique. Dans les deux cas, le logement 11 est doté, à ses extrémités, de deux dégagements axiaux 12 pratiqués sur la face interne du bracelet, c'est-à-dire la face prévue pour venir au contact du poignet. La fonction de ces dégagements 12 sera décrite ultérieurement. La barrette 10 comporte, de façon standard, un tube 13, non visible sur les figures 1 et 2, dans lequel sont montés coulissants deux pistons à collerette 14. Un organe élastique, tel qu'un ressort à boudin, est classiquement interposé entre les deux pistons 14, de façon à les chasser vers l'extérieur du tube 13.The fastening device shown in Figures 1 and 2 and referenced as a whole 1, conventionally comprises a strip 10 of axis AA mounted in a housing 11 provided for this purpose in a leather strap, metal or plastic. In figure 1 , said housing 11 is formed by a fold of a leather strap at one of its ends, while in figure 2 it consists of a bore through the attachment link of a metal bracelet. In both cases, the housing 11 is provided at its ends, two axial clearances 12 made on the inner face of the bracelet, that is to say the face provided to come into contact with the wrist. The function of these clearances 12 will be described later. The bar 10 comprises, as standard, a tube 13, not visible on the Figures 1 and 2 , in which are slidably mounted two flanged pistons 14. An elastic member, such as a coil spring, is conventionally interposed between the two pistons 14, so as to drive them outwardly of the tube 13.

Selon l'invention, le dispositif de fixation 1 comporte encore un mécanisme d'actionnement 20 de la barrette 10, monté sur la face interne du bracelet, au dessus du logement 11. Il comporte un élément de support 21, fixé au bracelet à l'emplacement décrit précédemment. Sur le bracelet en cuir, l'élément de support 21 est, par exemple, fixé par collage ou vissage. Sur le bracelet métallique, il peut être vissé, soudé ou clipé dans une cavité 22 prévue à cet effet. Dans le mode de réalisation représenté, l'élément de support 21 est formé globalement d'un parallélépipède plat. En variante, il pourrait être constitué de deux profilés en U montés vis-à-vis, en parallèle l'un de l'autre.According to the invention, the fixing device 1 further comprises an actuating mechanism 20 of the bar 10, mounted on the inner face of the bracelet, above the housing 11. It comprises a support element 21, attached to the bracelet at location described previously. On the leather strap, the support member 21 is, for example, fixed by gluing or screwing. On the metal bracelet, it can be screwed, welded or clipped into a cavity 22 provided for this purpose. In the embodiment shown, the support member 21 is formed generally of a flat parallelepiped. Alternatively, it could consist of two U-shaped profiles mounted vis-a-vis, in parallel with each other.

Le mécanisme d'actionnement 20 de la barrette 10 est représenté, en figures 3 et 4, selon deux coupes longitudinales, respectivement perpendiculaire à l'élément de support 21, passant par l'axe AA de la barrette 10, et dans le plan dudit élément. L'élément de support 21 comporte deux fentes longitudinales 23, ouvertes sur les deux côtés latéraux du parallélépipède, dans lesquelles sont montés coulissants, deux bras 24. Ceux-ci sont globalement constitués de deux lames coudées en forme de L, dont les brins les plus longs 25 sont montés coulissants à l'intérieur des fentes 23, entre une position rétractée A, et une position déployée B, et dont les brins les plus courts 26, coopèrent avec les pistons 14. A cet effet, les brins courts 26 sont percés d'un trou 27 à leur extrémité, dans lesquels sont engagées librement les extrémités des pistons 14. Ceux-ci sont, par ailleurs, munis d'une collerette 28 formant un épaulement 29 contre lequel les brins courts 26 viennent prendre appui. En position déployée B, les brins courts 26 viennent affleurer les bords du bracelet, et l'extrémité des pistons 14 fait saillie par rapport au logement 11, tandis qu'en position rétractée A, ils sont positionnés au fond des dégagements 12, et les pistons 14 sont entièrement engagés dans le logement 11.The actuating mechanism 20 of the bar 10 is represented, in Figures 3 and 4 , in two longitudinal sections, respectively perpendicular to the support member 21, passing through the axis AA of the bar 10, and in the plane of said element. The support member 21 has two longitudinal slots 23, open on both sides parallelepipedal side, in which are mounted sliding, two arms 24. These are generally constituted by two L-shaped bent blades, the longest strands 25 are slidably mounted inside the slots 23, between a position retracted A, and an extended position B, and whose shortest strands 26, cooperate with the pistons 14. For this purpose, the short strands 26 are pierced with a hole 27 at their end, in which are freely engaged the ends pistons 14. These are, moreover, provided with a flange 28 forming a shoulder 29 against which the short strands 26 come to bear. In the deployed position B, the short strands 26 are flush with the edges of the bracelet, and the end of the pistons 14 protrudes relative to the housing 11, while in the retracted position A, they are positioned at the bottom of the recesses 12, and the pistons 14 are fully engaged in housing 11.

Les brins longs 25 sont fendus à leurs extrémités de façon à se séparer chacun en deux doigts 30 formant un U élastique dans le plan desdits brins 25. Les doigts 30 sont dotés d'une protubérance 31, s'étendant dans le plan des brins 25, vers l'extérieur. Les fentes 23 sont munies d'un premier étranglement 32 destiné à guider les bras 24 ainsi qu'à coopérer avec les protubérances 31 pour éviter que les bras 24 ne sortent des cavités 23 en position déployée B. Elles comportent, en outre, un deuxième étranglement 33, situé à proximité de leur fond, destiné à coopérer avec les protubérances 31 pour bloquer les bras 24 en position rétractée A. Les brins longs 25 sont, en outre, munis d'une ouverture 34 située au voisinage du coude des bras 24, dont la fonction apparaîtra ultérieurement.The long strands 25 are slit at their ends so as to separate each into two fingers 30 forming an elastic U in the plane of said strands 25. The fingers 30 are provided with a protuberance 31, extending in the plane of the strands 25 , outwards. The slots 23 are provided with a first constriction 32 intended to guide the arms 24 as well as to cooperate with the protuberances 31 to prevent the arms 24 from coming out of the cavities 23 in the extended position B. They comprise, in addition, a second throttle 33, located near their bottom, intended to cooperate with the protuberances 31 to lock the arms 24 in the retracted position A. The long strands 25 are further provided with an opening 34 located near the elbow of the arms 24 , whose function will appear later.

On notera que, dans le cas où l'élément de support est formé de deux profilés en U montés en parallèle, les bras 24 sont montés coulissants à l'intérieur desdits profilés. Comme les fentes 23, les profilés sont alors munis des étranglements 32 et 33 destinés à bloquer les bras 24.Note that, in the case where the support member is formed of two U-shaped sections connected in parallel, the arms 24 are slidably mounted within said profiles. Like the slits 23, the profiles are then provided with the constrictions 32 and 33 intended to block the arms 24.

Le mécanisme d'actionnement 20 de la barrette 10 comporte encore deux organes de commande 35 des bras 24, monté basculant sur l'élément de support 21, entre une position rabattue C et une position redressée D, au dessus des bras 24. Lesdits organes de commande 35 sont globalement formés d'un levier monté basculant autour d'un axe BB perpendiculaire à l'axe AA et sensiblement parallèle au plan de l'élément de support 21. Ledit levier est coudé de manière à former un doigt d'actionnement 36 orienté à angle droit ou légèrement obtus, lequel est engagé dans l'ouverture 34 des brins longs 25.The actuating mechanism 20 of the bar 10 further comprises two control members 35 of the arms 24, pivotably mounted on the support member 21, between a folded position C and a rectified position D, above the arms 24. Said members 35 are generally formed of a lever mounted pivoting about an axis BB perpendicular to the axis AA and substantially parallel to the plane of the support member 21. Said lever is bent so as to form an actuating finger 36 oriented at right angles or slightly obtuse, which is engaged in the opening 34 long strands 25.

Le fonctionnement du dispositif de fixation ainsi décrit est le suivant. Les organes de commande 35 sont normalement en position rabattue C sur l'élément de support 21. Dans cette position, les doigts 36 engagés dans les ouvertures 34 poussent les bras 24 vers l'extérieur des cavités 23. Les bras 24 sont alors bloqués en position déployée B, d'un côté par les doigts d'actionnement 36, d'un autre côté, par l'étranglement 32. Dans cette position déployée, les pistons 14 de la barrette 10 sont chassés vers l'extérieur du tube 13 par l'organe élastique interposé entre eux. Leur extrémité fait saillie par rapport au bracelet. Lorsque les organes de commande 35 sont basculés en position redressée D, les doigts d'actionnement 36 engagés dans les ouvertures 34 poussent les bras 24 vers l'intérieur des cavités 23. Les bras 24 sont alors bloqués en position rétractée A, par l'étranglement 33. Dans cette position rétractée, les brins courts 26, en appui sur les épaulements 29, maintiennent les pistons 14 à l'intérieur du logement 11, à l'encontre de l'action de l'organe élastique interposé entre les pistons 14. Dans cette position redressée D, le bracelet peut être engagé entre les cornes d'une boîte de montre, munies d'alésages borgnes. Pour fixer le bracelet à la boîte, il suffit alors de rabattre les organes de commandes 35 sur le carter 21 en position C. L'extrémité des pistons 14 vient s'engager dans les alésages et le bracelet est solidaire de la boîte. Pour détacher le bracelet de la boîte, l'utilisateur n'a qu'à redresser les organes de commande 35 en position D. Les pistons 14 se dégagent des alésages borgnes et le bracelet est libéré.The operation of the fixing device thus described is as follows. The control members 35 are normally in the folded position C on the support member 21. In this position, the fingers 36 engaged in the openings 34 push the arms 24 towards the outside of the cavities 23. The arms 24 are then locked in position. deployed position B, on one side by the actuating fingers 36, on the other hand, by the constriction 32. In this deployed position, the pistons 14 of the bar 10 are driven out of the tube 13 by the elastic member interposed between them. Their end protrudes from the bracelet. When the control members 35 are tilted to the upright position D, the actuating fingers 36 engaged in the openings 34 push the arms 24 towards the inside of the cavities 23. The arms 24 are then locked in the retracted position A, by the In this retracted position, the short strands 26, resting on the shoulders 29, keep the pistons 14 inside the housing 11, against the action of the elastic member interposed between the pistons 14. In this upright position D, the bracelet can be engaged between the horns of a watch case, provided with blind bores. To attach the bracelet to the box, it is sufficient to fold down the control members 35 on the housing 21 in position C. The end of the pistons 14 is engaged in the bores and the bracelet is secured to the box. To detach the bracelet from the box, the user has only to straighten the control members 35 in position D. The pistons 14 emerge blind bores and the bracelet is released.

Ainsi a été décrit un dispositif de fixation 1 d'un bracelet, muni d'une barrette de type standard et permettant le montage et le démontage dudit bracelet à une boîte, sans l'usage d'un outil. Bien entendu, le dispositif de fixation d'un bracelet selon l'invention ne se limite pas au mode de réalisation qui vient d'être décrit et 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.Thus has been described a fastening device 1 of a bracelet, provided with a standard type of bar and allowing the assembly and disassembly of said bracelet to a box, without the use of a tool. Of course, the fastening device of a bracelet according to the invention is not limited to the embodiment just described and various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the invention. invention as defined by the appended claims.

On notera, en particulier, que le dispositif de fixation 1 décrit précédemment présente une symétrie par rapport à un plan perpendiculaire à l'axe AA de la barrette 10. Il est donc muni de deux pistons coulissants 14, actionnés par deux bras 24, eux même commandés par deux organes de commande 35. Toutefois, le dispositif de fixation 1 pourrait ne comporter qu'un seul piston coulissant 14, l'autre piston 14 étant alors monté fixe. Dans ce cas, le montage du bracelet sur la boîte devrait commencer par l'introduction du piston fixe dans un alésage de la corne, le piston mobile étant en position rétractée. Une fois le bracelet logé entre les deux cornes et le piston fixe engagé dans son alésage, le piston mobile devrait être actionné en position déployée.It will be noted, in particular, that the fixing device 1 described above has a symmetry with respect to a plane perpendicular to the axis AA of the bar 10. It is therefore provided with two sliding pistons 14, actuated by two arms 24, they even controlled by two control members 35. However, the fastening device 1 could have only one sliding piston 14, the other piston 14 then being fixedly mounted. In this case, the mounting of the bracelet on the box should begin with the introduction of the fixed piston in a bore of the horn, the movable piston being in the retracted position. Once the bracelet housed between the two horns and the fixed piston engaged in its bore, the movable piston should be actuated in the deployed position.

Par ailleurs, dans le mode de réalisation présenté, le mécanisme d'actionnement 20 de la barrette 10 est disjoint de la barrette 10, et monté directement sur le bracelet. En variante, le dispositif d'actionnement 20 de la barrette 10 pourrait être solidaire de celle-ci, l'élément de support étant soudé ou fixé par l'intermédiaire de brides au tube. L'ensemble barrette - mécanisme d'actionnement serait alors monté dans un logement 11 prévu à cet effet, dont seuls les organes de commandes 35 émergeraient.Furthermore, in the embodiment shown, the actuating mechanism 20 of the bar 10 is disjoint from the bar 10, and mounted directly on the bracelet. Alternatively, the actuating device 20 of the bar 10 could be integral therewith, the support member being welded or fixed by means of flanges to the tube. The bar assembly - actuating mechanism would then be mounted in a housing 11 provided for this purpose, which only the control members 35 emerge.

Claims (11)

Dispositif de fixation (1) d'un bracelet à un objet, notamment une boîte de montre, comprenant une barrette (10) formée d'un tube (13) dans lequel sont logés au moins : - un premier piston (14) mobile en translation, et - un organe élastique tendant à chasser ledit piston (14) à l'extérieur dudit tube (13), caractérisé en ce que ledit dispositif (1) comporte encore un mécanisme d'actionnement (20) de ladite barrette (10) comprenant : - un premier bras coudé (24) monté coulissant axialement par rapport à ladite barrette (10) entre une position rétractée A et une position déployée B, et dont une extrémité coopère avec ledit premier piston (14) pour le pousser vers l'intérieur dudit tube (13), et - un premier organe de commande (35) coopérant avec ledit premier bras (24) de manière à le faire passer de la position rétractée A à la position déployée B et inversement. Device for fastening (1) a bracelet to an object, in particular a watch case, comprising a bar (10) formed of a tube (13) in which at least: a first piston (14) movable in translation, and an elastic member tending to drive said piston (14) out of said tube (13), characterized in that said device (1) further comprises an actuating mechanism (20) of said bar (10) comprising: a first bent arm (24) slidably mounted axially with respect to said bar (10) between a retracted position A and an extended position B, and one end of which cooperates with said first piston (14) to push it towards the interior of said tube (13), and - a first control member (35) cooperating with said first arm (24) so as to move it from the retracted position A to the deployed position B and vice versa. Dispositif de fixation (1) selon la revendication 1, caractérisé en ce que ledit premier organe de commande (35) est formé d'un levier monté basculant au dessus dudit premier bras (24), entre une position rabattue C, correspondant à la position déployée B dudit premier bras (24), et une position redressée D, correspondant à la position rétractée A dudit premier bras (24).Fastening device (1) according to claim 1, characterized in that said first control member (35) is formed of a lever pivotally mounted above said first arm (24), between a folded position C, corresponding to the position deployed B of said first arm (24), and a rectified position D, corresponding to the retracted position A of said first arm (24). Dispositif de fixation (1) selon la revendication 2, caractérisé en ce que ledit premier organe de commande (35) est formé d'un levier coudé formant un doigt d'actionnement (36), et en ce que ledit premier bras coudé (24) comporte une ouverture (34) dans laquelle ledit doigt d'actionnement (36) est engagé.Fastening device (1) according to claim 2, characterized in that said first control member (35) is formed of a bent lever forming an actuating finger (36), and in that said first bent arm (24) ) has an opening (34) in which said actuating finger (36) is engaged. Dispositif de fixation (1) selon l'une des revendications 1 à 3, caractérisé en ce que ledit mécanisme d'actionnement (20) de ladite barrette (10) comprend un élément de support (21) sur lequel le premier bras coudé (24) est monté coulissant et ledit premier organe de commande (35) est monté mobile.Fastening device (1) according to one of claims 1 to 3, characterized in that said actuating mechanism (20) of said bar (10) comprises a support member (21) on which the first bent arm (24). ) is slidably mounted and said first controller (35) is movably mounted. Dispositif de fixation (1) selon la revendication 4, caractérisé en ce que ledit bracelet comporte un logement (11) dans lequel est montée ladite barrette (10), et en ce que ledit élément de support (21) est fixé sur ledit bracelet au voisinage de ladite barrette (10) de manière à ce que ledit premier bras coudé (24) coopère avec ledit premier piston (14).Fastening device (1) according to claim 4, characterized in that said bracelet comprises a housing (11) in which said bar (10) is mounted, and in that said support element (21) is fixed on said bracelet at adjacent said bar (10) so that said first bent arm (24) cooperates with said first piston (14). Dispositif de fixation (1) selon la revendication 4, caractérisé en ce que ledit élément de support (21) est solidaire de ladite barrette (10), et en ce que ledit bracelet comporte un logement (11) dans lequel l'ensemble barrette (10) - mécanisme d'actionnement (20) est logé, ledit premier organe de commande (35) étant monté émergeant dudit logement (11).Fastening device (1) according to claim 4, characterized in that said support element (21) is integral with said bar (10), and in that said bracelet comprises a housing (11) in which the bar assembly ( 10) - actuating mechanism (20) is housed, said first control member (35) being mounted emerging from said housing (11). Dispositif de fixation (1) selon l'une des revendications 1 à 6, caractérisé en ce que ledit premier bras coudé (24) est formé d'une lame en forme de L, comportant un brin long (25) monté coulissant sur ledit élément de support (21) et un brin court (26) coopérant avec ledit premier piston (14).Fastening device (1) according to one of claims 1 to 6, characterized in that said first bent arm (24) is formed of an L-shaped blade having a long strand (25) slidably mounted on said element support member (21) and a short strand (26) cooperating with said first piston (14). Dispositif de fixation (1) selon la revendication 7, caractérisé en ce que ledit élément de support (21) est formé globalement d'un parallélépipède plat muni d'une fente (23) dans laquelle ledit brin long (25) est monté coulissant.Fastening device (1) according to claim 7, characterized in that said support member (21) is formed generally of a flat parallelepiped provided with a slot (23) wherein said long strand (25) is slidably mounted. Dispositif de fixation (1) selon la revendication 7, caractérisé en ce que ledit élément de support (21) est formé globalement de deux profilés en U montés en vis-à-vis, en parallèle, dans lesquels ledit brin long (25) est monté coulissant.Fastening device (1) according to claim 7, characterized in that said support member (21) is formed generally of two U-shaped sections mounted opposite one another in parallel, in which said long strand (25) is sliding mounted. Dispositif de fixation (1) selon l'une des revendications 7 à 9, caractérisé en ce que ledit brin court (26) est percé d'un trou (27) dans lequel est engagée librement l'extrémité dudit premier piston (14), et en ce que ledit premier piston (14) comporte une collerette (28) formant un épaulement (29) contre lequel ledit brin court (26) vient prendre appui.Fastening device (1) according to one of claims 7 to 9, characterized in that said short strand (26) is pierced with a hole (27) in which is freely engaged the end of said first piston (14), and in that said first piston (14) comprises a flange (28) forming a shoulder (29) against which said short strand (26) bears. Dispositif de fixation (1) selon l'une des revendications 1 à 10, caractérisé en ce qu'il comporte, en outre, un deuxième piston mobile en translation à l'intérieur dudit tube (13), à l'opposé dudit premier piston (14), un deuxième bras coudé monté coulissant axialement par rapport à ladite barrette (10) entre une position rétractée A et une position déployée B, et dont une extrémité coopère avec ledit deuxième piston pour le pousser vers l'intérieur dudit tube (13), et un deuxième organe de commande coopérant avec ledit deuxième bras de manière à le faire passer de la position rétractée A à la position déployée B et inversement.Fastening device (1) according to one of claims 1 to 10, characterized in that it further comprises a second piston movable in translation inside said tube (13), opposite said first piston (14), a second angled arm slidably mounted axially with respect to said bar (10) between a retracted position A and an extended position B, and one end of which cooperates with said second piston to push it towards the inside of said tube (13). ), and a second control member cooperating with said second arm so as to move it from the retracted position A to the deployed position B and vice versa.
EP09176352A 2009-11-18 2009-11-18 Fixing device for a bracelet Active EP2325706B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09176352A EP2325706B1 (en) 2009-11-18 2009-11-18 Fixing device for a bracelet
JP2010254434A JP5031882B2 (en) 2009-11-18 2010-11-15 Device for fixing straps or bracelets
US12/948,328 US8613127B2 (en) 2009-11-18 2010-11-17 Device for securing a strap or bracelet
CN201010554556.7A CN102150980B (en) 2009-11-18 2010-11-17 Device for fixing strap or bracelet
HK12101443.7A HK1161049A1 (en) 2009-11-18 2012-02-14 Device for securing a strap or bracelet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09176352A EP2325706B1 (en) 2009-11-18 2009-11-18 Fixing device for a bracelet

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EP2325706A1 true EP2325706A1 (en) 2011-05-25
EP2325706B1 EP2325706B1 (en) 2012-08-01

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US (1) US8613127B2 (en)
EP (1) EP2325706B1 (en)
JP (1) JP5031882B2 (en)
CN (1) CN102150980B (en)
HK (1) HK1161049A1 (en)

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Publication number Priority date Publication date Assignee Title
EP3569090A1 (en) * 2018-05-17 2019-11-20 Richemont International S.A. System for attaching a bracelet to a watch case
CH715002A1 (en) * 2018-05-17 2019-11-29 Richemont Int Sa System for attaching a bracelet to a watch case.

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Publication number Publication date
JP5031882B2 (en) 2012-09-26
CN102150980B (en) 2015-03-18
US20110113594A1 (en) 2011-05-19
CN102150980A (en) 2011-08-17
EP2325706B1 (en) 2012-08-01
HK1161049A1 (en) 2012-08-24
US8613127B2 (en) 2013-12-24
JP2011107136A (en) 2011-06-02

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