EP3480665A1 - Removable band for watch or the like and device for fastening same - Google Patents

Removable band for watch or the like and device for fastening same Download PDF

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Publication number
EP3480665A1
EP3480665A1 EP17199712.5A EP17199712A EP3480665A1 EP 3480665 A1 EP3480665 A1 EP 3480665A1 EP 17199712 A EP17199712 A EP 17199712A EP 3480665 A1 EP3480665 A1 EP 3480665A1
Authority
EP
European Patent Office
Prior art keywords
control member
rods
arm
bracelet
arms
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
EP17199712.5A
Other languages
German (de)
French (fr)
Other versions
EP3480665B1 (en
Inventor
Cédric Nicolas
Dominique Lechot
Nicolas FRANCOIS
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 EP17199712.5A priority Critical patent/EP3480665B1/en
Priority to US16/150,683 priority patent/US11019889B2/en
Priority to JP2018198933A priority patent/JP6770039B2/en
Priority to CN201811293217.0A priority patent/CN109744666B/en
Publication of EP3480665A1 publication Critical patent/EP3480665A1/en
Application granted granted Critical
Publication of EP3480665B1 publication Critical patent/EP3480665B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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

Definitions

  • the present invention relates to the field of removable bracelets that allow to fix an object such as a watch on the wrist.
  • the bracelets and in particular the watch bracelets are links made of different types of materials - leather, plastic, metal, sometimes even fabric - which allow to fix an object such a watch, but also more generally a jewel shape whatever, on the wrist of the person who wishes to wear it.
  • These bracelets fit the wrist of the person and are usually directly attached to the horns of the watch case through small metal rods called bars that will be fixed in a suitable housing in the horns.
  • the user may have to change several times of bracelets over the life of his watch.
  • fixing devices that allow more or less easily to change bracelets without the aid of specific tools.
  • the handling of the fixing device can be difficult and / or the device may have not only visible control members from outside the bracelet but also likely to be hung.
  • the document EP 2 766 587 discloses a fastener having these disadvantages.
  • the device comprises two spring pins, one of which is provided with a finger protruding from the bracelet, the movement of the finger to retract the pivot in the bar.
  • the main object of the present invention is to propose a new fixing device allowing easy handling by the user and being able to be arranged within the bracelet invisibly.
  • the present invention also aims to provide a fixing device which is robust, the fastening bars being generally relatively fragile.
  • the present invention provides a fixing device provided with a control member for insertion after insertion within the bracelet to move vertically relative to the bracelet.
  • the fixing device and more particularly the control member can be fully embedded within the bracelet and actuated by varying the flexibility of the material that covers the control member.
  • the control member has another characteristic of being offset relative to the axis of sliding of the two rods forming the fixing bar, which allows to gain in robustness and guiding accuracy compared to a configuration where the control member would be positioned on the axis of sliding of the rods.
  • the fixing device is provided with connecting elements between the control member and the fixing bar for transforming the vertical translation movement of the rod.
  • control member in a lateral sliding movement of the bar between an engagement position and a retracted position where the bar is disengaged from the object to which it is attached.
  • the connecting elements comprise two arms articulated about an axis disposed at a proximal end of said arms, the two rods being respectively connected to the distal end of the articulated arms via rods.
  • the control member and the articulated arms are configured to induce a movement of spacing arms about the axis leading to the approximation of their distal ends which are connected to the two rods, thus placing said rods in the retracted position.
  • the fixing device 10 according to the invention shown in Figures 1 to 5 is intended to be invisibly disposed at the end of a bracelet, such as a watch or jewel bracelet. It is more particularly illustrated at the figure 6 in the context of a fixing of a bracelet 100 to a watch case 200 provided with horns 21,22 comprising blind holes 23,24 or through for the housing of the bar of the fixing device. Conversely, according to another embodiment of the invention, it is possible to envisage a pivoted through-horn in which case the bar will have at its ends holes for accommodating the pivots.
  • the fixing device 10 can adopt two positions represented at figures 1 and 4 with respectively a rest position, which can also be called engagement position, corresponding to the position in which the bracelet is attached to the watch case and a retracted position in which the bracelet is detached from the watch case.
  • the fixing device 10 comprises a support plate 14 on which is mounted the mechanism for switching from one position to another.
  • This plate 14 is formed of a base 14a surmounted by several axes 11, 17 on which elements of the mechanism are mounted movably ( figure 2 ).
  • the plate 14 is thus provided an axis 17 perpendicular to the plane of the base 14a on which is mounted movable in translation a control member, namely a push button 1, which allows to actuate the mechanism and more specifically to move in translation two rods 4 ', 4 "acting retractable bar.
  • the push button 1 is not arranged in the axis of the rods but offset relative to this axis. Therefore, the displacement of the two rods 4 ', 4 "is related to the displacement of the push button 1 by means of two arms 5', 5" respectively hinged on connecting rods 6 ', 6 "themselves integral with the rods 4 ', 4 "through fingers 15', 15" protruding from each rod 4 ', 4 ".
  • the two arms 5 ', 5 are pivotally mounted on a vertical axis 11 formed in the support plate 14 and visible inter alia to Figures 1 and 2 .
  • the arms 5 ', 5 are arranged symmetrically with respect to the line formed by the axes 11 and 17 aligned in a direction perpendicular to the axis of the rods 4', 4".
  • the arms 5 ', 5 overlap on the axis 11 with respectively an arm 5" in the lower position and an arm 5' in the upper position relative to the plane of the support plate. They circumvent respectively the control member 1 before crossing at a point 12 also aligned with the line formed by the axes 11 and 17 and diametrically opposite with respect to the axis 11. As detailed in FIG.
  • each arm 5 ', 5 “comprises a first curved portion, referenced a, substantially matching the shape of the push button 1, and extending substantially between the axis 11 and the cross point 12.
  • This first curved portion a is followed by a second rectilinear portion, referenced b, extending substantially from the point of intersection 12 to the pins 9 ', 9 "ensuring the connection in rotation between the arms 5', 5" and the rods 6 ', 6 ".
  • the arm in the lower position 5 "bypasses the push button 1 by the right and then extends to the left to control the movement of the corresponding rod 4".
  • each arm 5 ', 5 has on the inner flanks of their curved portion an inclined wall on which is intended to slide the lateral flanks of the frustoconical push button ( figure 3 ).
  • the inclined wall could be replaced by a rounded surface to decrease the friction surface.
  • each arm 5 ', 5 has a portion of extra thickness, referenced c and visible at the figure 5 , disposed on its curved portion a and allowing to take up the difference in height in the areas where the arms are not superimposed and therefore ensure a symmetrical movement of the two arms during the actuation of the push button.
  • the arm 5 "in the lower position on the axis 11 has an excess thickness 5" c standing in the opposite direction to the support plate 14 while the arm 5 'in the upper position has an extra thickness 5'c s' extending in the direction of the support plate 14.
  • extra thicknesses are arranged so as not to hinder the movement of the arms during pivoting.
  • the arms 5 ', 5 are attached to the rods 6', 6" via the pins 9 ', 9 "allowing a relative rotational movement between the arms 5', 5" and the rods 6 ', 6 ".
  • the link rods 6 ', 6 are planar pieces, of oblong shape in the example illustrated, having a thickness substantially equal to that of the arms Within each link 6', 6", a light 16 ', 16 "Also of oblong shape is formed within this light finger 15 ', 15" secured to the rods 4', 4 "is guided in.
  • the link rods 6 ', 6" are held perpendicular to the axis of the rods 4 ', 4 "through rigid walls 13', 13" formed in the rods 4 ', 4 "and between which the rods 6', 6” slide.
  • the rods 4 ', 4 "and the rods 6', 6" are arranged differently according to the position of the arm 5 ', 5 "to which they are connected.
  • the rod 6 " is positioned at the Above the arm 5 "is positioned between the lumen 18" and the rod 6 "with the finger 15” of the rod 4 "facing away from the plate 14.
  • the rod 6 ' is positioned below the arm, i.e. between the lumen 18 'and the arm 5' with the finger 15 'of the rod 4' turned towards the support plate 14.
  • each rod 4 ', 4 " has a cylindrical end 4'a, 4" a intended to be housed in the holes in the horns of the watch case.
  • This portion comprises the finger 15', 15 "rising in the recessed portion of the U.
  • This portion has a diameter less than the height of the wall 13, 13 "so that the latter forms a shoulder on which the spring 2 bears. It goes without saying that other geometries of the rods 4 ', 4 "could be envisaged as soon as they include an end portion that can cooperate with the holes of bars formed in the between horns of a watch case It could even be envisaged in a variant that the rods 4 ', 4 "are made in one piece comprising a central portion forming a spring.
  • the rods are made of metal with antifriction coating at the ends intended to be housed in the watch case to prevent scratches inside the horns.
  • This coating may in particular be made of PTFE, or polyurethane loaded with a perfluoropolyether oil (PFPE).
  • PFPE perfluoropolyether oil
  • the push button 1 has a circular bearing surface surmounting a frustoconical base with a recess in its center for the passage of the axis 17.
  • the contact surfaces between the push button 1 and the arms 5 ', 5 " are arranged so as to slide easily on one another It may be useful to improve this sliding by an appropriate choice of materials, by using either an intrinsically slippery material such as a fluoropolymer or a coating of Such a polymer is always used to facilitate the sliding of the push button, the latter has a conical shape with a wall inclined at an angle preferably between 30 and 60 ° more preferably between 40 and 50 ° relative to the axis 17.
  • the slope of the push button is chosen so that the stroke of the button is between 0.3 and 0.8 mm.
  • the push button can be mounted on resilient means such as a spring or a blade (not shown) which, in addition to the spring 2 positioned between the rods, help to return the push button to the up position when the latter is released.
  • resilient means can be used as a loud key.
  • the elastic means may comprise a flexible metal blade which is stretched when the control member is squeezed and relaxes when it goes back beyond a certain stroke, the trigger of the blade triggering a distinctive click which has the other advantage of signaling to the user that the rods , and since then the bracelet, are correctly attached to the watch case.
  • the support plate 14 surmounted by the mechanism is invisibly disposed within the bracelet.
  • the fixing device can thus be arranged within a leather strap, woven or embroidered textile or plastic with a mark indicating the user where to press the button. It is also conceivable to place the fixing device according to the invention on a metal or ceramic bracelet in a plastic part overmolded on a link of the bracelet. In all cases, it is the flexibility of the bracelet material that allows to operate the push button embedded in the bracelet.
  • the bearing surface of the control member is positioned between 0.2 and 0.7 mm below the surface of the bracelet. It can be arranged under the inner face of the bracelet, ie that intended to be placed opposite the wrist, or conversely under the outer face of the wristband.
  • the support plate 14 provided with the mechanism may be enclosed in a casing pierced with an opening for the passage of the push button.
  • the plate may be delimited in certain places by flanges 17 of a height substantially equal to that of the superimposed arms, on these flanges rests a closure cap (not shown).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Adornments (AREA)

Abstract

La présente demande se rapporte à un dispositif de fixation (10) d'une extrémité d'un bracelet (100) à un objet, comprenant: - une plaque de support (14), - un organe de commande (1), - deux tiges (4',4") montées coulissantes sur un même axe, dit de coulissement. L'organe de commande (1) est monté mobile en translation sur un axe, dit de translation (17), qui est sensiblement perpendiculaire à la plaque de support (14), et en ce que l'organe de commande (1) est déporté par rapport à l'axe de coulissement des tiges (4',4") et relié à ces dernières par des éléments de liaison (5',5",6',6") aptes à transformer le mouvement de translation de l'organe de commande (1) en un mouvement de coulissement des tiges (4',4") lors de la sollicitation de l'organe de commande (1).The present application relates to a device (10) for attaching an end of a bracelet (100) to an object, comprising: a support plate (14), a control member (1), - Two rods (4 ', 4 ") mounted sliding on the same axis, called sliding. The control member (1) is mounted movable in translation on an axis, said translation (17), which is substantially perpendicular to the support plate (14), and in that the control member (1) is offset relative to the axis of sliding rods (4 ', 4 ") and connected thereto by connecting elements (5', 5", 6 ', 6 ") adapted to transform the translational movement of the control member (1) in a sliding movement of the rods (4 ', 4 ") during the loading of the control member (1).

Description

Objet de l'inventionObject of the invention

La présente invention se rapporte au domaine des bracelets amovibles qui permettent de fixer un objet tel une montre au poignet.The present invention relates to the field of removable bracelets that allow to fix an object such as a watch on the wrist.

Arrière-plan technologiqueTechnological background

Les bracelets et en particulier les bracelets de montre sont des liens réalisés en différents types de matériaux - cuir, plastique, métal, parfois même en tissu - qui permettent de fixer un objet tel une montre, mais également de manière plus générale un bijou de forme quelconque, au poignet de la personne qui souhaite le porter. Ces bracelets s'adaptent au poignet de la personne et sont habituellement directement fixés aux cornes de la boîte de montre par l'entremise de petites tiges métalliques appelées barrettes qui vont se fixer dans un logement adéquat ménagé dans les cornes.The bracelets and in particular the watch bracelets are links made of different types of materials - leather, plastic, metal, sometimes even fabric - which allow to fix an object such a watch, but also more generally a jewel shape whatever, on the wrist of the person who wishes to wear it. These bracelets fit the wrist of the person and are usually directly attached to the horns of the watch case through small metal rods called bars that will be fixed in a suitable housing in the horns.

En cas d'endommagement ou tout simplement pour des raisons esthétiques, l'utilisateur peut être amené à changer plusieurs fois de bracelets sur la durée de vie de sa montre. A cet effet, il existe des dispositifs de fixation qui permettent plus ou moins facilement de changer de bracelets sans l'aide d'outils spécifiques. Cependant, même si le changement de bracelets ne requière pas d'outils spécifiques et peut dès lors être effectué par l'utilisateur, la manipulation du dispositif de fixation peut être mal aisée et/ou le dispositif peut présenter des organes de commande non seulement visibles depuis l'extérieur du bracelet mais également susceptibles d'être accrochés. Ainsi, par exemple le document EP 2 766 587 divulgue un dispositif de fixation présentant ces désavantages. Le dispositif comprend deux pivots à ressorts dont un est muni d'un doigt faisant saillie hors du bracelet, le déplacement du doigt permettant de rétracter le pivot dans la barrette.In case of damage or simply for aesthetic reasons, the user may have to change several times of bracelets over the life of his watch. For this purpose, there are fixing devices that allow more or less easily to change bracelets without the aid of specific tools. However, even if the change of bracelets does not require specific tools and can therefore be performed by the user, the handling of the fixing device can be difficult and / or the device may have not only visible control members from outside the bracelet but also likely to be hung. So, for example the document EP 2 766 587 discloses a fastener having these disadvantages. The device comprises two spring pins, one of which is provided with a finger protruding from the bracelet, the movement of the finger to retract the pivot in the bar.

Résumé de l'inventionSummary of the invention

Pour remédier aux désavantages précités, la présente invention a pour objet principal de proposer un nouveau dispositif de fixation permettant une manipulation aisée par l'utilisateur et pouvant être disposé au sein du bracelet de manière invisible. La présente invention a également pour objet de proposer un dispositif de fixation qui soit robuste, les barrettes de fixation étant de manière générale relativement fragiles.To overcome the aforementioned disadvantages, the main object of the present invention is to propose a new fixing device allowing easy handling by the user and being able to be arranged within the bracelet invisibly. The present invention also aims to provide a fixing device which is robust, the fastening bars being generally relatively fragile.

A cet effet, la présente invention propose un dispositif de fixation muni d'un organe de commande destiné après insertion au sein du bracelet à se déplacer verticalement par rapport au bracelet. Dans cette configuration, le dispositif de fixation et plus particulièrement l'organe de commande peut être entièrement noyé au sein du bracelet et actionné en jouant sur la souplesse du matériau qui recouvre l'organe de commande.For this purpose, the present invention provides a fixing device provided with a control member for insertion after insertion within the bracelet to move vertically relative to the bracelet. In this configuration, the fixing device and more particularly the control member can be fully embedded within the bracelet and actuated by varying the flexibility of the material that covers the control member.

L'organe de commande présente pour autre caractéristique d'être déporté par rapport à l'axe de coulissement des deux tiges formant la barrette de fixation, ce qui permet de gagner en robustesse et en précision de guidage par rapport à une configuration où l'organe de commande serait positionné sur l'axe de coulissement des tiges.The control member has another characteristic of being offset relative to the axis of sliding of the two rods forming the fixing bar, which allows to gain in robustness and guiding accuracy compared to a configuration where the control member would be positioned on the axis of sliding of the rods.

L'organe de commande étant déporté par rapport à l'axe de coulissement des tiges, le dispositif de fixation est muni d'éléments de liaison entre l'organe de commande et la barrette de fixation permettant de transformer le mouvement de translation verticale de l'organe de commande en un mouvement de coulissement latéral de la barrette entre une position d'engagement et une position rétractée où la barrette est désolidarisée de l'objet auquel elle est fixée.Since the control member is offset with respect to the axis of sliding of the rods, the fixing device is provided with connecting elements between the control member and the fixing bar for transforming the vertical translation movement of the rod. control member in a lateral sliding movement of the bar between an engagement position and a retracted position where the bar is disengaged from the object to which it is attached.

Avantageusement, les éléments de liaison comportent deux bras articulés autour d'un axe disposé à une extrémité proximale desdits bras, les deux tiges étant respectivement liées à l'extrémité distale des bras articulés via des biellettes. L'organe de commande et les bras articulés sont configurés pour induire un mouvement d'écartement des bras autour de l'axe menant au rapprochement de leurs extrémités distales qui sont liées aux deux tiges, plaçant ainsi lesdites tiges en position rétractée.Advantageously, the connecting elements comprise two arms articulated about an axis disposed at a proximal end of said arms, the two rods being respectively connected to the distal end of the articulated arms via rods. The control member and the articulated arms are configured to induce a movement of spacing arms about the axis leading to the approximation of their distal ends which are connected to the two rods, thus placing said rods in the retracted position.

Autrement dit, les éléments de liaison comportent successivement entre l'organe de commande et les tiges :

  • deux bras articulés à une extrémité autour d'un axe vertical, dit de pivotement, les bras étant disposés autour de l'organe de commande de manière symétrique par rapport à une ligne reliant ledit axe de pivotement et l'axe de translation de l'organe de commande,
  • deux biellettes montées chacune pivotante sur l'autre extrémité desdits bras et solidaires respectivement des tiges.
En utilisation, le pivotement des bras suite à l'actionnement de l'organe de commande entraîne un déplacement latéral des biellettes et par là-même un déplacement des tiges.In other words, the connecting elements comprise successively between the control member and the rods:
  • two arms articulated at one end about a vertical axis, said pivoting, the arms being arranged around the control member symmetrically with respect to a line connecting said pivot axis and the translation axis of the control organ,
  • two links each pivotally mounted on the other end of said arms and secured respectively rods.
In use, the pivoting of the arms following the actuation of the control member causes a lateral displacement of the links and thereby a displacement of the rods.

D'autres avantages ressortiront des caractéristiques exprimées dans les revendications, de la description détaillée de l'invention illustrée ci-après à l'aide des dessins annexés donnés à titre d'exemples nullement limitatifs.Other advantages will emerge from the features expressed in the claims, of the detailed description of the invention illustrated hereinafter with the aid of the accompanying drawings given by way of non-limiting examples.

Brève description des figuresBrief description of the figures

  • La figure 1 représente une vue en plan du dispositif de fixation selon l'invention en position d'engagement.The figure 1 represents a plan view of the fastening device according to the invention in the engagement position.
  • La figure 2 représente une coupe selon l'axe AA de la figure 1.The figure 2 represents a section along the axis AA of the figure 1 .
  • La figure 3 représente une coupe selon l'axe BB de la figure 1.The figure 3 represents a section along the BB axis of the figure 1 .
  • La figure 4 représente le dispositif de la figure 1 en position rétractée.The figure 4 represents the device of the figure 1 in retracted position.
  • La figure 5 représente une vue en perspective du dispositif de fixation selon l'invention en position d'engagement.The figure 5 represents a perspective view of the fastening device according to the invention in the engagement position.
  • La figure 6 représente une vue en perspective d'un bracelet et de la boîte de montre correspondante avec le dispositif de fixation selon l'invention visible en transparence au travers du bracelet.The figure 6 represents a perspective view of a bracelet and the corresponding watch case with the fixing device according to the invention visible in transparency through the bracelet.
Description détaillée de l'inventionDetailed description of the invention

Le dispositif de fixation 10 selon l'invention représenté aux figures 1 à 5 est destiné à être disposé de manière invisible à l'extrémité d'un bracelet, tel qu'un bracelet de montre ou de bijou. Il est plus particulièrement illustré à la figure 6 dans le cadre d'une fixation d'un bracelet 100 à une boîte de montre 200 munie de cornes 21,22 comprenant des trous borgnes 23,24 ou traversant pour le logement de la barrette du dispositif de fixation. A l'inverse, selon une autre forme d'exécution de l'invention, on peut envisager un entre-corne à pivot auquel cas la barrette présentera à ses extrémités des trous permettant d'accueillir les pivots.The fixing device 10 according to the invention shown in Figures 1 to 5 is intended to be invisibly disposed at the end of a bracelet, such as a watch or jewel bracelet. It is more particularly illustrated at the figure 6 in the context of a fixing of a bracelet 100 to a watch case 200 provided with horns 21,22 comprising blind holes 23,24 or through for the housing of the bar of the fixing device. Conversely, according to another embodiment of the invention, it is possible to envisage a pivoted through-horn in which case the bar will have at its ends holes for accommodating the pivots.

Le dispositif de fixation 10 selon l'invention peut adopter deux positions représentées aux figures 1 et 4 avec respectivement une position de repos, qu'on peut également qualifier de position d'engagement, correspondant à la position dans laquelle le bracelet est fixé à la boîte de montre et une position rétractée dans laquelle le bracelet est désolidarisé de la boîte de montre.The fixing device 10 according to the invention can adopt two positions represented at figures 1 and 4 with respectively a rest position, which can also be called engagement position, corresponding to the position in which the bracelet is attached to the watch case and a retracted position in which the bracelet is detached from the watch case.

Le dispositif de fixation 10 selon l'invention comporte une plaque de support 14 sur laquelle est monté le mécanisme permettant de permuter d'une position à une autre. Cette plaque 14 est formée d'une base 14a surmontée de plusieurs axes 11,17 sur lesquels des éléments du mécanisme sont montés mobiles (figure 2). La plaque 14 est ainsi munie d'un axe 17 perpendiculaire au plan de la base 14a sur lequel est monté mobile en translation un organe de commande, à savoir un bouton poussoir 1, qui permet d'actionner le mécanisme et plus précisément de déplacer en translation deux tiges 4',4" faisant office de barrette rétractable.The fixing device 10 according to the invention comprises a support plate 14 on which is mounted the mechanism for switching from one position to another. This plate 14 is formed of a base 14a surmounted by several axes 11, 17 on which elements of the mechanism are mounted movably ( figure 2 ). The plate 14 is thus provided an axis 17 perpendicular to the plane of the base 14a on which is mounted movable in translation a control member, namely a push button 1, which allows to actuate the mechanism and more specifically to move in translation two rods 4 ', 4 "acting retractable bar.

Ces deux tiges 4',4" sont disposées sur un même axe sur lequel elles coulissent en translation (figure 1). Elles sont liées par un ressort 2 maintenant les tiges 4',4" en position de repos en l'absence d'une sollicitation du bouton poussoir par un utilisateur. La translation des tiges 4',4" selon leur axe est assurée par des parois de guidage 3 solidaires de la plaque de support 14 et réparties le long de l'axe de part et d'autre de chaque tige 4',4" et du ressort 2 avec, dans l'exemple illustré, trois paires de parois 3 respectivement disposées aux extrémités et au centre de la plaque le long de cette axe.These two rods 4 ', 4 "are arranged on the same axis on which they slide in translation ( figure 1 ). They are connected by a spring 2 maintaining the rods 4 ', 4 "in the rest position in the absence of a push button being requested by a user.Translation of the rods 4', 4" along their axis is provided by guide walls 3 secured to the support plate 14 and distributed along the axis on either side of each rod 4 ', 4 "and the spring 2 with, in the illustrated example, three pairs of walls 3 respectively disposed at the ends and at the center of the plate along this axis.

Selon l'invention, le bouton poussoir 1 n'est pas disposé dans l'axe des tiges mais déporté par rapport à cet axe. Dès lors, le déplacement des deux tiges 4',4" est lié au déplacement du bouton poussoir 1 par l'intermédiaire de deux bras 5',5" respectivement articulés sur des biellettes de liaison 6',6" elles-mêmes solidaires des tiges 4',4" par l'entremise de doigts 15',15" faisant saillie sur chaque tige 4',4".According to the invention, the push button 1 is not arranged in the axis of the rods but offset relative to this axis. Therefore, the displacement of the two rods 4 ', 4 "is related to the displacement of the push button 1 by means of two arms 5', 5" respectively hinged on connecting rods 6 ', 6 "themselves integral with the rods 4 ', 4 "through fingers 15', 15" protruding from each rod 4 ', 4 ".

Les deux bras 5',5" sont montés pivotants sur un axe vertical 11 formé dans la plaque de support 14 et visible entre autres aux figures 1 et 2. Les bras 5',5" sont disposés de manière symétrique par rapport à la ligne formée par les axes 11 et 17 alignés dans une direction perpendiculaire à l'axe des tiges 4',4". Les bras 5',5" se chevauchent sur l'axe 11 avec respectivement un bras 5" en position inférieure et un bras 5' en position supérieure par rapport au plan de la plaque de support. Ils contournent respectivement l'organe de commande 1 avant de se croiser en un point 12 également aligné sur la ligne formée par les axes 11 et 17 et diamétralement opposé par rapport à l'axe 11. Comme détaillé à la figure 5, chaque bras 5',5" comporte une première portion courbe, référencée a, épousant sensiblement la forme du bouton poussoir 1, et s'étendant sensiblement entre l'axe 11 et le point de croisement 12. Cette première portion courbe a est suivie d'une seconde portion rectiligne, référencée b, s'étendant sensiblement depuis le point de croisement 12 jusqu'aux chevilles 9',9" assurant la liaison en rotation entre les bras 5',5" et les biellettes 6',6". Dans l'exemple illustré, le bras en position inférieure 5" contourne le bouton poussoir 1 par la droite et s'étend ensuite vers la gauche pour commander le déplacement de la tige 4" correspondante. Par symétrie, le bras 5' en position supérieure contourne le bouton poussoir 1 par la gauche et s'étend vers la droite pour commander le déplacement de la tige 4' correspondante. Dans l'exemple illustré, les bras présentent sur les flancs intérieurs de leur portion courbe une paroi inclinée sur laquelle est destinée à coulisser les flancs latéraux du bouton poussoir de forme tronconique (figure 3). Alternativement la paroi inclinée pourrait être remplacée par une surface arrondie pour diminuer la surface de frottement. En outre, chaque bras 5',5" comporte une partie en surépaisseur, référencée c et visible à la figure 5, disposée sur sa portion courbe a et permettant de reprendre la différence de hauteur dans les zones où les bras ne sont pas superposés et dès lors d'assurer un déplacement symétrique des deux bras lors de l'actionnement du bouton poussoir. Plus précisément, le bras 5" en position inférieure sur l'axe 11 comporte une surépaisseur 5"c se dressant dans la direction opposée à la plaque de support 14 tandis que le bras 5' en position supérieure comporte une surépaisseur 5'c s'étendant en direction de la plaque de support 14. Ces surépaisseurs sont agencées de manière à ne pas entraver le déplacement des bras lors du pivotement.The two arms 5 ', 5 "are pivotally mounted on a vertical axis 11 formed in the support plate 14 and visible inter alia to Figures 1 and 2 . The arms 5 ', 5 "are arranged symmetrically with respect to the line formed by the axes 11 and 17 aligned in a direction perpendicular to the axis of the rods 4', 4". The arms 5 ', 5 "overlap on the axis 11 with respectively an arm 5" in the lower position and an arm 5' in the upper position relative to the plane of the support plate. They circumvent respectively the control member 1 before crossing at a point 12 also aligned with the line formed by the axes 11 and 17 and diametrically opposite with respect to the axis 11. As detailed in FIG. figure 5 , each arm 5 ', 5 "comprises a first curved portion, referenced a, substantially matching the shape of the push button 1, and extending substantially between the axis 11 and the cross point 12. This first curved portion a is followed by a second rectilinear portion, referenced b, extending substantially from the point of intersection 12 to the pins 9 ', 9 "ensuring the connection in rotation between the arms 5', 5" and the rods 6 ', 6 ". In the illustrated example, the arm in the lower position 5 "bypasses the push button 1 by the right and then extends to the left to control the movement of the corresponding rod 4". By symmetry, the arm 5 'in the upper position bypasses the push button 1 by the left and extends to the right to control the movement of the corresponding rod 4'. In the example illustrated, the arms have on the inner flanks of their curved portion an inclined wall on which is intended to slide the lateral flanks of the frustoconical push button ( figure 3 ). Alternatively the inclined wall could be replaced by a rounded surface to decrease the friction surface. In addition, each arm 5 ', 5 "has a portion of extra thickness, referenced c and visible at the figure 5 , disposed on its curved portion a and allowing to take up the difference in height in the areas where the arms are not superimposed and therefore ensure a symmetrical movement of the two arms during the actuation of the push button. More specifically, the arm 5 "in the lower position on the axis 11 has an excess thickness 5" c standing in the opposite direction to the support plate 14 while the arm 5 'in the upper position has an extra thickness 5'c s' extending in the direction of the support plate 14. These extra thicknesses are arranged so as not to hinder the movement of the arms during pivoting.

Les bras 5',5" sont fixés aux biellettes 6',6" via les chevilles 9',9" permettant un mouvement relatif en rotation entre les bras 5',5" et les biellettes 6',6". A cet effet, les chevilles 9',9" coulissent dans des lumières 18',18" ménagées dans la plaque de support 14 en arcs de cercle centrés sur l'axe 11.The arms 5 ', 5 "are attached to the rods 6', 6" via the pins 9 ', 9 "allowing a relative rotational movement between the arms 5', 5" and the rods 6 ', 6 ". , pegs 9 ', 9 "slide in lights 18 ', 18 "formed in the support plate 14 in circular arcs centered on the axis 11.

Les biellettes de liaison 6',6" sont des pièces planes, de forme oblongue dans l'exemple illustré, ayant une épaisseur sensiblement égale à celle des bras. Au sein de chaque biellette 6',6", une lumière 16',16" également de forme oblongue est ménagée. Au sein de cette lumière le doigt 15',15" solidaire des tiges 4',4" y est guidé. Lors de leur déplacement, les biellettes de liaisons 6',6" sont maintenues perpendiculaires à l'axe des tiges 4',4" grâce à des parois rigides 13',13" ménagées dans les tiges 4',4" et entre lesquelles les biellettes 6',6" coulissent.The link rods 6 ', 6 "are planar pieces, of oblong shape in the example illustrated, having a thickness substantially equal to that of the arms Within each link 6', 6", a light 16 ', 16 "Also of oblong shape is formed within this light finger 15 ', 15" secured to the rods 4', 4 "is guided in. When moving, the link rods 6 ', 6" are held perpendicular to the axis of the rods 4 ', 4 "through rigid walls 13', 13" formed in the rods 4 ', 4 "and between which the rods 6', 6" slide.

Comme montré à la figure 1, les tiges 4',4" et les biellettes 6',6" sont agencées différemment selon la position du bras 5',5" auquel elles sont reliées. Pour le bras 5" en position inférieure, la biellette 6" se positionne au-dessus du bras. Plus précisément, le bras 5" se positionne entre la lumière 18" et la biellette 6" avec le doigt 15" de la tige 4" tournés côté opposé à la plaque 14. Inversement, pour le bras 5' en position supérieure, la biellette 6' se positionne en dessous du bras, c.à.d. entre la lumière 18' et le bras 5' avec le doigt 15' de la tige 4' tournés vers la plaque de support 14.As shown in figure 1 the rods 4 ', 4 "and the rods 6', 6" are arranged differently according to the position of the arm 5 ', 5 "to which they are connected.For the arm 5" in the lower position, the rod 6 "is positioned at the Above the arm 5 "is positioned between the lumen 18" and the rod 6 "with the finger 15" of the rod 4 "facing away from the plate 14. Conversely, for the arm 5 'in upper position, the rod 6 'is positioned below the arm, i.e. between the lumen 18 'and the arm 5' with the finger 15 'of the rod 4' turned towards the support plate 14.

Comme détaillé dans l'exemple de réalisation illustré à la figure 5, chaque tige 4',4" comporte une extrémité cylindrique 4'a,4"a destinée à se loger dans les trous ménagés dans les cornes de la boîte de montre. A la suite de la portion cylindrique, la tige 4',4" comporte une portion tronconique 4'b,4"b s'évasant vers une portion en U 4'c,4"c au sein de laquelle coulisse la biellette 6',6" correspondante avec les parois 13',13" du U assurant la fonction de guidage de la biellette. Cette portion comprend le doigt 15',15" se dressant dans la partie évidée du U. A la suite de la portion en U, la tige 4',4" comporte une seconde portion cylindrique 4'd,4"d autour de laquelle le ressort 2 est enroulé. Cette portion présente un diamètre inférieur à la hauteur de la paroi 13,13" de manière à ce que cette dernière forme un épaulement sur lequel le ressort 2 prend appui. Il va de soi que d'autres géométries des tiges 4', 4" pourraient être envisagées dès que lors qu'elles comportent une portion d'extrémité pouvant coopérer avec les trous de barrettes ménagés dans l'entre cornes d'une boite de montre. On pourrait même envisager dans une variante que les tiges 4', 4" soient réalisées en une seule pièce comprenant une partie médiane formant un ressort.As detailed in the exemplary embodiment illustrated in figure 5 each rod 4 ', 4 "has a cylindrical end 4'a, 4" a intended to be housed in the holes in the horns of the watch case. Following the cylindrical portion, the rod 4 ', 4 "comprises a frustoconical portion 4'b, 4" b flaring towards a U-shaped portion 4'c, 4 "c within which slides the link 6' 6 "corresponding with the walls 13 ', 13" of the U providing the guide function of the rod.This portion comprises the finger 15', 15 "rising in the recessed portion of the U. Following the U portion , the rod 4 ', 4 "has a second cylindrical portion 4'd, 4" d around which the spring 2 is wound. This portion has a diameter less than the height of the wall 13, 13 "so that the latter forms a shoulder on which the spring 2 bears. It goes without saying that other geometries of the rods 4 ', 4 "could be envisaged as soon as they include an end portion that can cooperate with the holes of bars formed in the between horns of a watch case It could even be envisaged in a variant that the rods 4 ', 4 "are made in one piece comprising a central portion forming a spring.

Idéalement, les tiges sont réalisées en métal avec un revêtement antifriction aux extrémités destinées à se loger dans la boîte de montre afin d'éviter les rayures à l'intérieur des cornes. Ce revêtement peut notamment être en PTFE, ou en polyuréthane chargé d'une huile de perfluoropolyéthers (PFPE).Ideally, the rods are made of metal with antifriction coating at the ends intended to be housed in the watch case to prevent scratches inside the horns. This coating may in particular be made of PTFE, or polyurethane loaded with a perfluoropolyether oil (PFPE).

Concernant le bouton poussoir 1, il a une surface d'appui circulaire surmontant une base tronconique avec un évidement en son centre pour le passage de l'axe 17. Les surfaces de contact entre le bouton poussoir 1 et les bras 5',5" sont agencées de façon à glisser aisément l'une sur l'autre. Il peut se révéler utile d'améliorer ce glissement par un choix adéquat de matériaux, en utilisant soit un matériau intrinsèquement glissant tel qu'un polymère fluoré, soit un revêtement d'un tel polymère. Toujours de manière à faciliter le glissement du bouton poussoir, ce dernier présente une forme conique avec une paroi inclinée d'un angle de préférence compris entre 30 et 60° plus préférentiellement entre 40 et 50° par rapport à l'axe 17. La pente du bouton poussoir est choisie de manière à ce que la course du bouton soit comprise entre 0.3 et 0.8 mm.Regarding the push button 1, it has a circular bearing surface surmounting a frustoconical base with a recess in its center for the passage of the axis 17. The contact surfaces between the push button 1 and the arms 5 ', 5 " are arranged so as to slide easily on one another It may be useful to improve this sliding by an appropriate choice of materials, by using either an intrinsically slippery material such as a fluoropolymer or a coating of Such a polymer is always used to facilitate the sliding of the push button, the latter has a conical shape with a wall inclined at an angle preferably between 30 and 60 ° more preferably between 40 and 50 ° relative to the axis 17. The slope of the push button is chosen so that the stroke of the button is between 0.3 and 0.8 mm.

Avantageusement, le bouton poussoir peut être monté sur des moyens élastiques tels qu'un ressort ou une lame (non représentés) qui aident, en complément du ressort 2 positionné entre les tiges, au rappel du bouton poussoir en position haute lorsque ce dernier est relâché. Ces moyens élastiques peuvent être utilisés comme détrompeur sonore. A cet effet, les moyens élastiques peuvent comporter une lame métallique souple qui se tend lorsque l'organe de commande est pressé et se détend lorsqu'il remonte au-delà d'une certaine course, la détente de la lame déclenchant un clic distinctif qui a pour autre avantage de signaler à l'utilisateur que les tiges, et dès lors le bracelet, sont correctement fixés à la boîte de montre.Advantageously, the push button can be mounted on resilient means such as a spring or a blade (not shown) which, in addition to the spring 2 positioned between the rods, help to return the push button to the up position when the latter is released. . These resilient means can be used as a loud key. For this purpose, the elastic means may comprise a flexible metal blade which is stretched when the control member is squeezed and relaxes when it goes back beyond a certain stroke, the trigger of the blade triggering a distinctive click which has the other advantage of signaling to the user that the rods , and since then the bracelet, are correctly attached to the watch case.

Le fonctionnement du dispositif est illustré aux travers des figures 1 et 4. Lorsque le bouton 1 est pressé (figure 4), les surfaces latérales inclinées du bouton 1 appuient sur les surfaces correspondantes des bras 5',5". Ce faisant, les bras 5',5" s'écartent entre l'axe 11 et le point de croisement 12. Cet écartement induit un déplacement des chevilles 9',9" à l'extrémité des bras 5',5" dans les lumières de guidage 18',18". Ce mouvement de rotation induit un mouvement de translation latéral et vertical des biellettes 6',6". La translation verticale des biellettes 6',6" est reprise par le coulissement de celles-ci entre les parois 13',13" et par le coulissement du doigt 15',15" dans la lumière correspondante 16',16". Par contre, le mouvement latéral des biellettes 6',6" induit un mouvement correspondant des tiges 4',4" et, de ce fait, la rétractation des tiges 4',4". Lorsque la pression sur le bouton 1 est relâchée, le ressort 2 repousse les tiges 4',4" en position de repos, repoussant les bras 5',5" qui à leur tour repoussent le bouton 1 en position de repos, éventuellement aidé par les moyens élastiques additionnels susmentionnés.The operation of the device is illustrated through figures 1 and 4 . When button 1 is pressed ( figure 4 ), the inclined side surfaces of the button 1 press on the corresponding surfaces of the arms 5 ', 5 ". In doing so, the arms 5', 5" deviate between the axis 11 and the cross point 12. This induced spacing a displacement of the pins 9 ', 9 "at the end of the arms 5', 5" in the guide slots 18 ', 18 "This rotational movement induces a lateral and vertical translation movement of the links 6', 6" . The vertical translation of the rods 6 ', 6 "is resumed by the sliding thereof between the walls 13', 13" and the sliding of the finger 15 ', 15 "in the corresponding light 16', 16". On the other hand, the lateral movement of the links 6 ', 6 "induces a corresponding movement of the rods 4', 4" and, consequently, the retraction of the rods 4 ', 4 ". When the pressure on the button 1 is released, the spring 2 pushes the rods 4 ', 4 "in the rest position, pushing the arms 5', 5" which in turn push the button 1 in the rest position, possibly assisted by the additional elastic means mentioned above.

Selon l'invention, la plaque support 14 surmontée du mécanisme est disposée de manière invisible au sein du bracelet. Le dispositif de fixation peut ainsi être disposé au sein d'un bracelet en cuir, en textile tissé ou brodé ou en plastique avec un repère signalant à l'utilisateur l'endroit où appuyer sur le bouton. Il est aussi envisageable de placer le dispositif de fixation selon l'invention sur un bracelet métallique ou en céramique dans une partie plastique surmoulée sur un maillon du bracelet. Dans tous les cas de figure, c'est la souplesse du matériau du bracelet qui permet d'actionner le bouton poussoir noyé au sein du bracelet. De préférence, la surface d'appui de l'organe de commande est positionnée entre 0.2 et 0.7 mm sous la surface du bracelet. Elle peut être disposée sous la face intérieure du bracelet, c.à.d. celle destinée à être placée en regard du poignet, ou inversement sous la face extérieure du bracelet.According to the invention, the support plate 14 surmounted by the mechanism is invisibly disposed within the bracelet. The fixing device can thus be arranged within a leather strap, woven or embroidered textile or plastic with a mark indicating the user where to press the button. It is also conceivable to place the fixing device according to the invention on a metal or ceramic bracelet in a plastic part overmolded on a link of the bracelet. In all cases, it is the flexibility of the bracelet material that allows to operate the push button embedded in the bracelet. Preferably, the bearing surface of the control member is positioned between 0.2 and 0.7 mm below the surface of the bracelet. It can be arranged under the inner face of the bracelet, ie that intended to be placed opposite the wrist, or conversely under the outer face of the wristband.

Pour finir, on précisera que la plaque de support 14 munie du mécanisme peut être enfermée dans un carter percé d'une ouverture pour le passage du bouton poussoir. A cet effet, la plaque peut être délimitée à certains endroits par des rebords 17 d'une hauteur sensiblement égale à celle des bras superposés, sur ces rebords repose un couvercle de fermeture (non représenté).Finally, it will be noted that the support plate 14 provided with the mechanism may be enclosed in a casing pierced with an opening for the passage of the push button. For this purpose, the plate may be delimited in certain places by flanges 17 of a height substantially equal to that of the superimposed arms, on these flanges rests a closure cap (not shown).

Claims (23)

Dispositif de fixation (10) d'une extrémité d'un bracelet (100) à un objet, notamment une boîte de montre (200) ou un bijou, comprenant: - une plaque de support (14) formée d'une base (14a) définissant un plan, - un organe de commande (1), - deux tiges (4',4") montées coulissantes dans le plan de la plaque de support (14) sur un même axe, dit de coulissement, lesdites tiges (4',4") étant aptes suite à la sollicitation de l'organe de commande (1) à se déplacer entre une position d'engagement où les tiges (4',4") sont solidaires de l'objet et une position rétractée où les tiges (4',4") sont désolidarisées de l'objet, - des moyens élastiques (2) reliant les deux tiges (4',4") et maintenant lesdites tiges (4',4") en position d'engagement en l'absence de sollicitation de l'organe de commande (1), le dispositif (10) étant caractérisé en ce que l'organe de commande (1) est monté mobile en translation sur un axe, dit de translation (17), qui est sensiblement perpendiculaire au plan de la plaque de support (14), et en ce que l'organe de commande (1) est déporté par rapport à l'axe de coulissement des tiges (4',4") et relié à ces dernières par des éléments de liaison (5',5",6',6") aptes à transformer le mouvement de translation de l'organe de commande (1) en un mouvement de coulissement des tiges (4',4") lors de la sollicitation de l'organe de commande (1).Device (10) for attaching an end of a bracelet (100) to an object, particularly a watch case (200) or jewel, comprising: a support plate (14) formed of a base (14a) defining a plane, a control member (1), - two rods (4 ', 4 ") slidably mounted in the plane of the support plate (14) on the same axis, said sliding, said rods (4', 4") being suitable following the solicitation of the control member (1) to move between an engagement position where the rods (4 ', 4 ") are integral with the object and a retracted position where the rods (4', 4") are disengaged from the object, - elastic means (2) connecting the two rods (4 ', 4 ") and maintaining said rods (4', 4") in the engagement position in the absence of biasing of the control member (1), the device (10) being characterized in that the control member (1) is mounted to move in translation on an axis, said translation (17), which is substantially perpendicular to the plane of the support plate (14), and in that the control member (1) is offset relative to the axis of sliding of the rods (4 ', 4 ") and connected thereto by connecting elements (5', 5", 6 ', 6 ") adapted to transform the translational movement of the control member (1) into a sliding movement of the rods (4 ', 4") during the biasing of the control member (1). Dispositif selon la revendication 1, caractérisé en ce que les éléments de liaison comportent successivement entre l'organe de commande (1) et les tiges (4',4") : - deux bras (5',5") articulés à une extrémité autour d'un axe (11), dit de pivotement, monté perpendiculairement sur la plaque de support (14), les bras (5',5") étant disposés autour de l'organe de commande (1) de manière symétrique par rapport à une ligne reliant ledit axe de pivotement (11) et l'axe de translation (17) de l'organe de commande (1), ladite ligne étant perpendiculaire à l'axe de coulissement des tiges (4',4"), - deux biellettes (6',6") montées chacune pivotante via des chevilles (9',9") sur l'autre extrémité desdits bras (5',5"). Device according to claim 1, characterized in that the connecting elements comprise successively between the control member (1) and the rods (4 ', 4 "): - Two arms (5 ', 5 ") articulated at one end about a pivot axis (11), mounted perpendicularly to the support plate (14), the arms (5', 5") being arranged around of the control member (1) symmetrically with respect to a line connecting said pivot axis (11) and the translation axis (17) of the control member (1), said line being perpendicular to the axis of sliding of the rods (4 ', 4 "), - Two rods (6 ', 6 ") each pivotally mounted via pins (9', 9") on the other end of said arms (5 ', 5 "). Dispositif selon la revendication 2, caractérisé en ce que les deux bras (5',5") se chevauchent sur l'axe de pivotement (11) avec respectivement un bras (5") en position inférieure et un bras (5') en position supérieure par rapport au plan de la plaque de support (14), lesdits bras (5',5") s'étendant respectivement de chaque côté de l'organe de commande (1) avant de se croiser en un point de croisement (12) aligné sur ladite ligne et diamétralement opposé par rapport à l'axe de pivotement (11).Device according to claim 2, characterized in that the two arms (5 ', 5 ") overlap on the pivot axis (11) with respectively an arm (5") in the lower position and an arm (5') in upper position relative to the plane of the support plate (14), said arms (5 ', 5 ") extending respectively on each side of the control member (1) before crossing at a crossing point ( 12) aligned on said line and diametrically opposite with respect to the pivot axis (11). Dispositif selon la revendication 3, caractérisé en ce que chaque bras (5',5") comporte une première portion courbe (5'a,5"a) épousant sensiblement la forme de l'organe de commande (1) et s'étendant sensiblement entre l'axe de pivotement (11) et le point de croisement (12), suivie d'une seconde portion rectiligne (5'b,5"b) s'étendant sensiblement depuis le point de croisement (12) jusqu'aux chevilles (9',9") assurant la liaison entre les bras (5',5") et les biellettes (6',6").Device according to claim 3, characterized in that each arm (5 ', 5 ") comprises a first curved portion (5'a, 5" a) substantially matching the shape of the control member (1) and extending substantially between the pivot axis (11) and the point of intersection (12), followed by a second straight portion (5'b, 5 "b) extending substantially from the point of intersection (12) to dowels (9 ', 9 ") providing the connection between the arms (5', 5") and the links (6 ', 6 "). Dispositif selon la revendication 4, caractérisé en ce que chaque bras (5',5") comporte sur une partie de sa première portion courbe (5'a,5"a) une surépaisseur (5'c,5"c) d'une épaisseur sensiblement égale à l'épaisseur de l'autre bras (5',5"), le bras (5') en position supérieure comportant une surépaisseur (5'c) se dressant vers la plaque de support (14) et le bras (5") en position inférieure comportant une surépaisseur (5"c) se dressant du côté opposé à la plaque de support (14).Device according to claim 4, characterized in that each arm (5 ', 5 ") has on a portion of its first curved portion (5'a, 5" a) an extra thickness (5'c, 5 "c) of a thickness substantially equal to the thickness of the other arm (5 ', 5 "), the arm (5') in the upper position having an excess thickness (5'c) rising towards the support plate (14) and the arm (5 ") in the lower position with an extra thickness (5" c) rising on the opposite side to the support plate (14). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de commande (1) forme un bouton poussoir avec une surface latérale tronconique destinée à coopérer avec des surfaces correspondantes disposées sur les flancs intérieurs des bras (5',5").Device according to any one of the preceding claims, characterized in that the control member (1) forms a push button with a frustoconical lateral surface intended to cooperate with corresponding surfaces arranged on the inner flanks of the arms (5 ', 5'). "). Dispositif selon l'une quelconque des revendications 2 à 6, caractérisé en ce que des ouvertures (18',18") en arcs de cercle centrés sur l'axe de pivotement (11) sont pratiquées dans la plaque de support (14), les chevilles (9',9") liant les bras (5',5") aux biellettes (6',6") étant chassées à l'intérieur desdites ouvertures (18',18") et destinées à coulisser au sein de ces ouvertures (18',18") pour transformer un mouvement de pivotement des bras (5',5") en un mouvement de coulissement des tiges (4',4").Device according to any one of claims 2 to 6, characterized in that openings (18 ', 18 ") in circular arcs centered on the pivot axis (11) are formed in the support plate (14), the pins (9 ', 9 ") connecting the arms (5', 5") to the rods (6 ', 6 ") being driven inside said openings (18', 18") and intended to slide within these openings (18 ', 18 ") to transform a pivoting movement of the arms (5', 5") into a sliding movement of the rods (4 ', 4 "). Dispositif selon l'une quelconque des revendications 2 à 7, caractérisé en ce qu'une lumière (16',16") est ménagée au sein de chaque biellette (6',6"), un doigt (15',15") respectivement solidaire de chaque tige (4',4") étant chassé à l'intérieur de ladite lumière (16',16").Device according to any one of claims 2 to 7, characterized in that a slot (16 ', 16 ") is formed within each link (6', 6"), a finger (15 ', 15 ") respectively integral with each rod (4 ', 4 ") being driven inside said light (16', 16"). Dispositif selon l'une quelconque des revendications 2 à 8, caractérisé en ce que chaque tige (4',4") comporte deux parois (13',13") perpendiculaires à l'axe de coulissement entre lesquelles chaque biellette (6',6") est guidée.Device according to any one of claims 2 to 8, characterized in that each rod (4 ', 4 ") comprises two walls (13', 13") perpendicular to the axis of sliding between which each link (6 ', 6 ") is guided. Dispositif selon la revendication 8 ou 9, caractérisé en ce que, pour le bras (5') en position supérieure, la biellette (6') se positionne entre l'ouverture (18') et le bras (5') avec le doigt (15') de la tige (4') tourné vers la plaque de support (14) et en ce que pour le bras (5") en position inférieure, le bras (5") se positionne entre l'ouverture (18") et la biellette (6") avec le doigt (15") de la tige (4") tourné côté opposé à la plaque (14).Device according to claim 8 or 9, characterized in that , for the arm (5 ') in the upper position, the connecting rod (6') is positioned between the opening (18 ') and the arm (5') with the finger (15 ') of the rod (4') facing the support plate (14) and in that for the arm (5 ") in the lower position, the arm (5") is positioned between the opening (18 " ) and the rod (6 ") with the finger (15") of the rod (4 ") turned away from the plate (14). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque de support (14) comporte des parois de guidage (3) réparties le long de l'axe de coulissement des tiges (4',4") de part et d'autre de chaque tige (4',4") et des moyens élastiques (2).Device according to any one of the preceding claims, characterized in that the support plate (14) has guide walls (3) distributed along the axis of sliding of the rods (4 ', 4 ") on each side. another of each rod (4 ', 4 ") and elastic means (2). Dispositif selon l'une quelconque des revendications 8 à 11, caractérisé en ce que chaque tige (4',4") comporte une première portion cylindrique (4'a,4"a) destinée à être engagée dans l'objet, une seconde portion conique (4'b,4"b) s'évasant vers une troisième portion (4'c,4"c) en U formant un logement délimité par les parois (13',13") et au sein duquel se dresse le doigt (15',15"), une quatrième portion cylindrique (4'd,4"d) autour de laquelle les moyens élastiques (2) sont enroulés en prenant appui sur une des parois (13',13") de la troisième portion (4'c,4"c).Device according to any one of claims 8 to 11, characterized in that each rod (4 ', 4 ") comprises a first cylindrical portion (4'a, 4" a) intended to be engaged in the object, a second conical portion (4'b, 4 "b) flaring towards a third portion (4'c, 4" c) U forming a housing delimited by the walls (13 ', 13 ") and in which stands the finger (15 ', 15 "), a fourth cylindrical portion (4'd, 4" d) around of which the elastic means (2) are wound by bearing on one of the walls (13 ', 13 ") of the third portion (4'c, 4" c). Dispositif selon l'une quelconque des revendications 2 à 12, caractérisé en ce que chaque biellette (6',6") forme une pièce plane d'épaisseur sensiblement égale à l'épaisseur des bras (5',5").Device according to any one of claims 2 to 12, characterized in that each rod (6 ', 6 ") forms a flat piece of thickness substantially equal to the thickness of the arm (5', 5"). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de commande (1) est monté sur des moyens élastiques additionnels assurant en complément des moyens élastiques (2) disposés entre les tiges (4',4") le retour de l'organe de commande (1) après une sollicitation dudit organe de commande (1).Device according to any one of the preceding claims, characterized in that the control member (1) is mounted on additional elastic means in addition to providing elastic means (2) arranged between the rods (4 ', 4 ") return of the control member (1) after a biasing of said control member (1). Dispositif selon la revendication 14, caractérisé en ce que les moyens élastiques additionnels comprennent une lame métallique fixée à l'organe de commande (1) qui se tend lorsque l'organe de commande (1) est sollicité et se détend lorsque l'organe de commande (1) remonte au-delà d'une certaine course, la détente de la lame métallique provoquant un clic sonore caractéristique qui permet de détecter la bonne fixation des tiges (4',4") dans l'objet.Device according to claim 14, characterized in that the additional elastic means comprise a metal blade fixed to the control member (1) which is tensioned when the control member (1) is biased and expands when the control member control (1) goes back beyond a certain stroke, the relaxation of the metal blade causing a characteristic sound click that detects the good fixing of the rods (4 ', 4 ") in the object. Dispositif selon l'une quelconque des revendications 12 à 15, caractérisé en ce que la première portion cylindrique (4'a,4"a) des tiges (4',4") est recouverte d'un revêtement antifriction, notamment en polytétrafluoroéthylène ou en polyuréthane chargé d'une huile de perfluoropolyéthers.Device according to any one of claims 12 to 15, characterized in that the first cylindrical portion (4'a, 4 "a) of the rods (4 ', 4") is covered with an antifriction coating, in particular polytetrafluoroethylene or polyurethane loaded with a perfluoropolyether oil. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la course de l'organe de commande (1) est comprise entre 0.3 et 0.8 mm.Device according to any one of the preceding claims, characterized in that the stroke of the control member (1) is between 0.3 and 0.8 mm. Bracelet (100) comprenant le dispositif de fixation selon l'une quelconque des revendications précédentes.Bracelet (100) comprising the fixing device according to any one of the preceding claims. Bracelet (100) selon la revendication 18, caractérisé en ce que le dispositif de fixation (10) est noyé au sein du bracelet (100).Bracelet (100) according to claim 18, characterized in that the fixing device (10) is embedded within the bracelet (100). Bracelet (100) selon la revendication 18 ou 19, caractérisé en ce qu'il est en métal ou en céramique avec une partie surmoulée en plastique comprenant le dispositif de fixation (10), en cuir, en textile tissé ou brodé, ou en matière plastique.Bracelet (100) according to claim 18 or 19, characterized in that it is made of metal or ceramic with a molded part in plastic comprising the fixing device (10), made of leather, woven or embroidered textile, or plastic. Bracelet (100) selon l'une quelconque des revendications 18 à 20, caractérisé en ce que la position de l'organe de commande (1) est signalée par un marquage à la surface du bracelet (100).Bracelet (100) according to any one of claims 18 to 20, characterized in that the position of the control member (1) is indicated by a marking on the surface of the bracelet (100). Bracelet (100) selon l'une quelconque des revendications 18 à 21, caractérisé en ce que la surface d'appui de l'organe de commande (1) est positionnée entre 0.2 et 0.7 mm sous la surface du bracelet.Bracelet (100) according to any one of claims 18 to 21, characterized in that the bearing surface of the control member (1) is positioned between 0.2 and 0.7 mm below the surface of the bracelet. Montre (200) ou bijou muni d'un bracelet (100) selon l'une quelconque des revendications 18 à 22.Watch (200) or jewel provided with a bracelet (100) according to any one of claims 18 to 22.
EP17199712.5A 2017-11-02 2017-11-02 Removable band for watch or the like and device for fastening same Active EP3480665B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17199712.5A EP3480665B1 (en) 2017-11-02 2017-11-02 Removable band for watch or the like and device for fastening same
US16/150,683 US11019889B2 (en) 2017-11-02 2018-10-03 Removable bracelet for a watch or equivalent and device for attaching the same
JP2018198933A JP6770039B2 (en) 2017-11-02 2018-10-23 A device for attaching a removable bracelet and bracelet for a wristwatch or equivalent
CN201811293217.0A CN109744666B (en) 2017-11-02 2018-11-01 Detachable chain for a watch or equivalent and device for attaching same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17199712.5A EP3480665B1 (en) 2017-11-02 2017-11-02 Removable band for watch or the like and device for fastening same

Publications (2)

Publication Number Publication Date
EP3480665A1 true EP3480665A1 (en) 2019-05-08
EP3480665B1 EP3480665B1 (en) 2020-12-30

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ID=60201952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17199712.5A Active EP3480665B1 (en) 2017-11-02 2017-11-02 Removable band for watch or the like and device for fastening same

Country Status (4)

Country Link
US (1) US11019889B2 (en)
EP (1) EP3480665B1 (en)
JP (1) JP6770039B2 (en)
CN (1) CN109744666B (en)

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EP3751358A1 (en) * 2019-06-14 2020-12-16 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wearable device, strap and engaging mechanism
CN112303086A (en) * 2020-10-09 2021-02-02 立讯电子科技（昆山）有限公司 Connecting device
EP4335319A1 (en) * 2022-09-09 2024-03-13 ETA SA Manufacture Horlogère Suisse Removable bracelet included in a portable object

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CN112075732A (en) * 2019-06-14 2020-12-15 Oppo广东移动通信有限公司 Watchband, wearable equipment and block mechanism
CN113679153A (en) * 2020-05-19 2021-11-23 华为技术有限公司 Wearable equipment
CN112137583B (en) * 2020-09-18 2023-05-02 维沃移动通信有限公司 Wearable device
CN113749359B (en) * 2021-08-31 2023-08-04 北京歌尔泰克科技有限公司 Wearable device

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US4396296A (en) * 1978-09-11 1983-08-02 Stodden Michael F Stop watch
FR2742638A1 (en) * 1995-12-26 1997-06-27 Naja DEVICE FOR FIXING ONE END OF A LINK TO AN OBJECT, IN PARTICULAR A WATCH
CH694393A5 (en) * 2001-05-14 2004-12-31 Manuf Interstrap S A Wristlet end fixing device for watch case, has supports moving freely and connected to insert through canals to drive supports in axial movement, by moving insert in direction different from movement of supports
FR2849355A1 (en) * 2002-12-31 2004-07-02 Mady S Time Propreties Llc Bracelet fixing device for watch, has sliding body with spring that exerts pressure on crimping base and on bearing surface to oppose displacement that is caused when push button is activated for retracting ankles
EP2766587A1 (en) 2011-09-29 2014-08-20 The Gates Corporation Flywheel hybrid system
WO2013140080A1 (en) * 2012-03-21 2013-09-26 Interstrap A system for quickly latching an interchangeable removable part, particularly a watchstrap

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Publication number Priority date Publication date Assignee Title
EP3751358A1 (en) * 2019-06-14 2020-12-16 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wearable device, strap and engaging mechanism
US11422508B2 (en) 2019-06-14 2022-08-23 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wearable device, strap and engaging mechanism
CN112303086A (en) * 2020-10-09 2021-02-02 立讯电子科技（昆山）有限公司 Connecting device
CN112303086B (en) * 2020-10-09 2022-03-29 立讯电子科技（昆山）有限公司 Connecting device
EP4335319A1 (en) * 2022-09-09 2024-03-13 ETA SA Manufacture Horlogère Suisse Removable bracelet included in a portable object

Also Published As

Publication number Publication date
US11019889B2 (en) 2021-06-01
CN109744666A (en) 2019-05-14
JP6770039B2 (en) 2020-10-14
EP3480665B1 (en) 2020-12-30
CN109744666B (en) 2020-09-29
JP2019084347A (en) 2019-06-06
US20190125041A1 (en) 2019-05-02

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