EP3473127B1 - Fixing device for a bracelet - Google Patents

Fixing device for a bracelet Download PDF

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Publication number
EP3473127B1
EP3473127B1 EP17197443.9A EP17197443A EP3473127B1 EP 3473127 B1 EP3473127 B1 EP 3473127B1 EP 17197443 A EP17197443 A EP 17197443A EP 3473127 B1 EP3473127 B1 EP 3473127B1
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EP
European Patent Office
Prior art keywords
horn
insert
bracelet
stud
cooperate
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.)
Active
Application number
EP17197443.9A
Other languages
German (de)
French (fr)
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EP3473127A1 (en
Inventor
Fabrice Rochat
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP17197443.9A priority Critical patent/EP3473127B1/en
Priority to US16/137,982 priority patent/US10993512B2/en
Priority to JP2018190646A priority patent/JP6688360B2/en
Priority to CN201811213236.8A priority patent/CN109691755B/en
Publication of EP3473127A1 publication Critical patent/EP3473127A1/en
Application granted granted Critical
Publication of EP3473127B1 publication Critical patent/EP3473127B1/en
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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
    • A44C5/147—Watchcase itself used as fastener
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • G04B37/1493—Arrangements for fixing to a bracelet by means of a feather spring (Barette á ressort)

Definitions

  • the present invention relates to the field of watchmaking or jewelry. It relates more precisely to a device for fixing a bracelet to an object, in particular a watch case.
  • the bracelets in leather or in metal, are attached to the horns of a watch case, by means of a bar formed of a tube, in which are mounted two pistons movable in translation, and an elastic member. arranged between said pistons and tending to drive them out 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 facing each other in the lugs of the case.
  • Such devices usually include a bar, of the type described above, on which is mounted, passing through the tube, a piston actuator.
  • Said actuator is, for example, a radial finger integral with one of the pistons, as described in the patent. CH 327 838 .
  • the finger is slidably mounted through an axial slot made in the tube, and its movement along the slot pushes one of the pistons inside the tube.
  • the patent CH 614 589 describes a watch case with a device for attaching a bracelet to the case, the central horn has a cylindrical passage slit longitudinally over the entire length of the horn, allowing the introduction of a bar for attaching a bracelet .
  • the bar is in the form of a cylinder with a flat over its entire length so as to allow the bar to pass through when it is introduced into the passage and to hold it in place when the latter occupies a determined angular position.
  • the fixing devices thus described are generally used for interchangeable bracelets, which they allow to be replaced at the option of the wearer. They are not, however, free from drawbacks. It will be noted, in particular, that they require major structural modifications at the level of the bar, such as, for example, the creation of an opening at the level of the tube, or the transformation of the pistons. These changes result in significant additional manufacturing costs.
  • These fastening devices also include a prominent element, namely the actuating member, which can catch on or injure the wearer of the watch.
  • the documents GB2297236A and EP1400875A1 respectively present the preamble of independent claims 1 and 9.
  • the present invention overcomes these drawbacks by providing a device for fixing a bracelet to a watch case without a bar, and which is easy to handle.
  • the device comprising on the one hand at least one horn integral with the watch case, and on the other hand an insert integral with the end of a bracelet strand, the horn and the insert being complementary to cooperate by interlocking one in the other by constituting removable assembly means capable of making the bracelet interchangeable.
  • the insert comprises at least one tenon subjected to the action of elastic return means, said at least one tenon being arranged to cooperate with at least one housing in the horn, the horn comprising a control member forming protrudes radially from the horn, so as to cause the tenon to pass from a deployed position in which the tenon holds the strand on the horn, to a retracted position in which the strand is released from the horn, where the horn includes a pair of ball pawls (11), each ball pawl (11) being arranged to cooperate with a pair of holes (12) formed on an edge of the insert (6).
  • the figures 1 to 4 illustrate a wristwatch as well as detailed views of the device for attaching a bracelet to a watch case 1 according to a preferred embodiment of the invention.
  • the fixing device comprises on the one hand at least one horn 10 integral with the watch case 1, and on the other hand an insert 6 integral with the end of a bracelet strand 2, the horn 10 and the insert 6 being complementary to cooperate by interlocking one inside the other by constituting removable assembly means capable of making the bracelet interchangeable.
  • the insert 6 comprises at least one tenon 9 subjected to the action of elastic return means, said at least one tenon 9 being arranged to cooperate with at least one housing in the horn 10, the horn comprising a control member 5 projecting radially with respect to the horn 10, so as to cause the tenon to pass from a deployed position in which the tenon holds the strand on the horn, to a retracted position in which the strand is released from the horn .
  • the watch case 1 comprises a median horn 10 comprising at least one housing 100 arranged to receive all or part of the insert of the bracelet strand.
  • the middle horn 10 is formed with the watch case 1 and comprises at each of its ends a ring 3 receiving a control member, such as a pusher 5 for example, which is arranged to move axially in the ring 3.
  • the pusher 5 is limited in travel and in rotation by a pin 4 which is driven into the ring 3 which is integral with the median horn.
  • Such an arrangement makes it possible to make the pushers 5 easily and quickly accessible when changing the bracelet.
  • the pusher 5 is slidably mounted in the ring 3 and is arranged to open into the housing when the user presses on the latter.
  • Each ring 3 is mounted at one end of the horn, the rings here taking a preferably cylindrical shape, and the horn 10 comprising a corresponding form of cylindrical excavation in the watch case 1 in order to partially accommodate each ring 3 therein.
  • the watch case comprises means for centering and / or guiding the insert on the watch case.
  • these centering means are in the form of a pair of ball pawls 11, each ball pawl 11 being arranged to cooperate with a pair of holes 12 formed on the edge of insert 6.
  • the respective size and depth of the holes 12 and the ball pawls 11 are configured such that the insert no longer has any degrees of freedom when the ball pawls 11 are engaged in the holes 12 of the insert. insert 6.
  • the ball pawls 11 are oriented downwards at an angle of 45 ° so as to give a good orientation to the bracelet once the latter has been assembled to the watch case1.
  • the median horn 1 has at least one substantially rectangular opening 101 opening into a housing 100 to receive the insert 6, the height and the length of the opening corresponding to the height and the length of the insert.
  • the insert 6 comprises two projecting portions 60 arranged to rest in two housings of the middle horn. Those skilled in the art could also envision a single housing receiving the insert.
  • the insert 6 comprises at least one circular cavity in which successively rest elastic return means 7 and a tenon 9 having a cylindrical section, the elastic return means 7 being in the form of a spiral spring for example.
  • the insert 6 also comprises a pin 8 driven into the latter, the pin 8 projecting into the cavity and being arranged to cooperate with a groove 90 formed on the tenon in order to limit its travel and to block it in rotation within the cavity.
  • the tenon 9 comprises an inclined plane 91 at its projecting part so as to facilitate the insertion of the insert 6 into the housing 100 of the horn 10.
  • the wearer pushes the insert 6 into the horn 10, presenting the projecting portions 60 at the level of the openings 101 while respecting the guiding / centering the insert by means of the ball pawls 11.
  • the inclined plane 91 of the tenons 9 allows the latter to enter the housings 100 by means of the contact of the ring, the springs 7 being compressed at this time.
  • the tenon 9 returns to its rest position, which will have the effect of relaxing the spring 7 and exerting a force which will cause the pusher 5 to come out of the ring 3. To this end At this time, the bracelet strand 2 can no longer be detached from the horn, the tenons 9 being held in the housings 100 and the ball pawls 11 resting in the holes 12 of the insert 6.
  • the wearer To separate the bracelet strand 2 from the horn 1, the wearer must simultaneously press the pushers 5, each pushbutton then acting on a tenon 9 and compressing the springs 7, and then pull on the bracelet strand 2 to dislodge the insert 100 housings of the 10 horn.
  • the insert is placed on a strap made of leather, synthetic fabric, plastic, metal, ceramic or even composite.
  • bar 4 is preferably made of metal but could also be made of plastic, ceramic or even composite.
  • the connecting link with the watch case 1 receiving in this case the insert 6, and the links can also be made in metallic, ceramic or composite material.
  • the bracelet receives the pushers 5 at the lateral edges, close to the 'insert 6, the pusher 5 being slidably mounted in the ring 3 integral with the insert.
  • Each ring 3 is mounted at one end of the insert, the rings here taking a preferably cylindrical shape.
  • the horn for its part, comprises a circular cavity at each of its lateral ends, each cavity successively receiving elastic return means 7 and a tenon 9 projecting so as to cooperate with the pushers 5. The user then does not have to. only press the pushers and push or pull the strap strand to fit or remove it respectively.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)

Description

Domaine de l'inventionField of the invention

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 jewelry. It relates more precisely to a device for fixing a bracelet to an object, in particular a watch case.

Arrière-plan de l'inventionBackground of the invention

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, in leather or in metal, are attached to the horns of a watch case, by means of a bar formed of a tube, in which are mounted two pistons movable in translation, and an elastic member. arranged between said pistons and tending to drive them out 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 facing each other in the lugs of the case.

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 case, it is necessary to have a tool designed to push the pistons back into the tube, against the stress exerted by the elastic member, and thus extract them from the bores. The wearer of the watch is not permanently equipped with such a tool, and moreover, its use may prove inconvenient. This is why bracelets provided with such a fastening device are generally 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 CH 327 838 . 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.There are also fixing devices making it possible to separate the bracelet from the box without resorting to a tool. Such devices usually include a bar, of the type described above, on which is mounted, passing through the tube, a piston actuator. Said actuator is, for example, a radial finger integral with one of the pistons, as described in the patent. CH 327 838 . The finger is slidably mounted through an axial slot made in the tube, and its movement along the slot pushes one of the pistons inside the tube.

Le brevet CH 614 589 décrit une boîte de montre avec un dispositif de fixation d'un bracelet à la boîte, la corne centrale présente un passage cylindrique fendu longitudinalement sur toute la longueur de la corne, permettant l'introduction d'une barrette pour la fixation d'un bracelet. La barrette se présente sous la forme d'un cylindre avec un méplat sur toute sa longueur de manière à laisser passer la barrette lors de son introduction dans le passage et la maintenir en place lorsque celle-ci occupe une position angulaire déterminée.The patent CH 614 589 describes a watch case with a device for attaching a bracelet to the case, the central horn has a cylindrical passage slit longitudinally over the entire length of the horn, allowing the introduction of a bar for attaching a bracelet . The bar is in the form of a cylinder with a flat over its entire length so as to allow the bar to pass through when it is introduced into the passage and to hold it in place when the latter occupies a determined angular position.

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. On connait également des documents FR 2 742 638 et DE 20 2010 013569 de tels dispositifs de fixation. Les documents GB2297236A et EP1400875A1 présentent respectivement le préambule des revendications indépendantes 1 et 9.The fixing devices thus described are generally used for interchangeable bracelets, which they allow to be replaced at the option of the wearer. They are not, however, free from drawbacks. It will be noted, in particular, that they require major structural modifications at the level of the bar, such as, for example, the creation of an opening at the level of the tube, or the transformation of the pistons. These changes result in significant additional manufacturing costs. These fastening devices also include a prominent element, namely the actuating member, which can catch on or injure the wearer of the watch. We also know documents FR 2 742 638 and FROM 20 2010 013 569 such fastening devices. The documents GB2297236A and EP1400875A1 respectively present the preamble of independent claims 1 and 9.

Résumé de l'inventionSummary of the invention

La présente invention permet de pallier ces inconvénients, en proposant un dispositif de fixation d'un bracelet à une boîte de montre dépourvu de barrette, et qui est facile à manipuler. Le dispositif comprenant d'une part au moins une corne solidaire de la boîte de montre, et d'autre part un insert solidaire de l'extrémité d'un brin de bracelet, la corne et l'insert étant complémentaires pour coopérer par emboîtement l'un dans l'autre en constituant des moyens d'assemblage amovibles aptes à rendre le bracelet interchangeable.The present invention overcomes these drawbacks by providing a device for fixing a bracelet to a watch case without a bar, and which is easy to handle. The device comprising on the one hand at least one horn integral with the watch case, and on the other hand an insert integral with the end of a bracelet strand, the horn and the insert being complementary to cooperate by interlocking one in the other by constituting removable assembly means capable of making the bracelet interchangeable.

Selon l'invention, l'insert comprend au moins un tenon soumis à l'action de moyens de rappel élastiques, ledit au moins un tenon étant agencé pour coopérer avec au moins un logement dans la corne, la corne comprenant un organe de commande faisant saillie radialement par rapport à la corne, de manière à faire passer le tenon d'une position déployée dans laquelle le tenon maintien le brin sur la corne, vers une position rétractée dans laquelle le brin est libéré de la corne, où la corne comprend une paire de cliquets à bille (11), chaque cliquet à bille (11) étant agencé pour coopérer avec une paire de trous (12) formés sur une tranche de l'insert (6).According to the invention, the insert comprises at least one tenon subjected to the action of elastic return means, said at least one tenon being arranged to cooperate with at least one housing in the horn, the horn comprising a control member forming protrudes radially from the horn, so as to cause the tenon to pass from a deployed position in which the tenon holds the strand on the horn, to a retracted position in which the strand is released from the horn, where the horn includes a pair of ball pawls (11), each ball pawl (11) being arranged to cooperate with a pair of holes (12) formed on an edge of the insert (6).

Une variante de l'invention est décrite dans la revendication indépendante 9.A variant of the invention is described in independent claim 9.

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

  • l'organe de commande est monté coulissant à l'une des extrémités de ladite corne, ledit organe de commande débouchant dans ledit logement de la corne.
  • l'insert comprend une cavité dans laquelle reposent successivement les moyens de rappel élastiques et le tenon
  • l'insert comprend une goupille solidaire de ce dernier, ladite goupille faisant saillie dans ladite cavité et étant agencée pour coopérer avec une rainure dudit tenon
  • ledit au moins un tenon comprend un plan incliné
  • le dispositif comprend au moins une bague solidaire de la corne, ladite bague recevant ledit au moins un organe de commande
  • ledit brin de bracelet est un brin en matériau textile, en cuir, en matériau synthétique, en matériau plastique ;
  • ledit brin de bracelet se présente sous la forme d'une multitude de maillons en matériau métallique, céramique ou composite.
In accordance with other advantageous variants of the invention:
  • the control member is slidably mounted at one of the ends of said horn, said control member opening into said housing of the horn.
  • the insert comprises a cavity in which successively rest the elastic return means and the tenon
  • the insert comprises a pin integral with the latter, said pin projecting into said cavity and being arranged to cooperate with a groove of said tenon
  • said at least one tenon comprises an inclined plane
  • the device comprises at least one ring integral with the horn, said ring receiving said at least one control member
  • said bracelet strand is a strand of textile material, leather, synthetic material, plastic material;
  • said bracelet strand is in the form of a multitude of links made of metallic, ceramic or composite material.

Description sommaire des dessinsBrief description of the drawings

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 illustre une vue de dessus d'une boîte de montre équipée d'un dispositif de fixation selon l'invention ;
  • la figure 2 illustre une vue en coupe selon le plan médian de la boîte de montre avec son bracelet avant sa mise en place,
  • la figure 3 illustre une vue en coupe selon le plan médian de la boîte de montre avec son bracelet en place,
  • la figure 4 illustre une vue en coupe des moyens de centrage du dispositif de fixation conforme à l'invention lors du verrouillage du bracelet.
Other characteristics and advantages of the present invention will emerge more clearly from the detailed description which follows of an embodiment of a device for fixing a bracelet according to the invention, this example being given purely by way of illustration and not limiting only, in conjunction with the appended drawing in which:
  • the figure 1 illustrates a top view of a watch case equipped with a fixing device according to the invention;
  • the figure 2 illustrates a sectional view along the median plane of the watch case with its strap before it is put in place,
  • the figure 3 illustrates a sectional view along the median plane of the watch case with its strap in place,
  • the figure 4 illustrates a sectional view of the centering means of the fixing device according to the invention during the locking of the bracelet.

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

Les figures 1 à 4 illustrent une montre bracelet ainsi que des vues détaillée du dispositif d'attache d'un bracelet à une boîte de montre 1 selon un mode de réalisation préférentiel de l'invention. Le dispositif de fixation comprend d'une part au moins une corne 10 solidaire de la boîte de montre 1, et d'autre part un insert 6 solidaire de l'extrémité d'un brin de bracelet 2, la corne 10 et l'insert 6 étant complémentaires pour coopérer par emboîtement l'un dans l'autre en constituant des moyens d'assemblage amovibles aptes à rendre le bracelet interchangeable.The figures 1 to 4 illustrate a wristwatch as well as detailed views of the device for attaching a bracelet to a watch case 1 according to a preferred embodiment of the invention. The fixing device comprises on the one hand at least one horn 10 integral with the watch case 1, and on the other hand an insert 6 integral with the end of a bracelet strand 2, the horn 10 and the insert 6 being complementary to cooperate by interlocking one inside the other by constituting removable assembly means capable of making the bracelet interchangeable.

Selon l'invention, l'insert 6 comprend au moins un tenon 9 soumis à l'action de moyens de rappel élastiques, ledit au moins un tenon 9 étant agencé pour coopérer avec au moins un logement dans la corne 10, la corne comprenant un organe de commande 5 faisant saillie radialement par rapport à la corne 10, de manière à faire passer le tenon d'une position déployée dans laquelle le tenon maintien le brin sur la corne, vers une position rétractée dans laquelle le brin est libéré de la corne.According to the invention, the insert 6 comprises at least one tenon 9 subjected to the action of elastic return means, said at least one tenon 9 being arranged to cooperate with at least one housing in the horn 10, the horn comprising a control member 5 projecting radially with respect to the horn 10, so as to cause the tenon to pass from a deployed position in which the tenon holds the strand on the horn, to a retracted position in which the strand is released from the horn .

Telle qu'illustrée à la figure 1, la boite de montre 1 comprend une corne médiane 10 comprenant au moins un logement 100 agencé pour recevoir en tout ou partie l'insert du brin de bracelet. La corne médiane 10 est formée avec la boite de montre 1 et comprend à chacune de ses extrémités une bague 3 recevant un organe de commande, tel qu'un poussoir 5 par exemple, qui est agencé pour se déplacer axialement dans la bague 3. Le poussoir 5 est limité en course et en rotation par une goupille 4 qui est chassée dans la bague 3 qui est solidaire de la corne médiane. Un tel agencement permet de rendre les poussoirs 5 accessibles facilement et rapidement lors d'un changement de bracelet.As shown in figure 1 , the watch case 1 comprises a median horn 10 comprising at least one housing 100 arranged to receive all or part of the insert of the bracelet strand. The middle horn 10 is formed with the watch case 1 and comprises at each of its ends a ring 3 receiving a control member, such as a pusher 5 for example, which is arranged to move axially in the ring 3. The pusher 5 is limited in travel and in rotation by a pin 4 which is driven into the ring 3 which is integral with the median horn. Such an arrangement makes it possible to make the pushers 5 easily and quickly accessible when changing the bracelet.

Comme on peut le voir à la figure 1, le poussoir 5 est monté coulissant dans la bague 3 et est agencé pour déboucher dans le logement lorsque l'utilisateur appui sur ce dernier. Chaque bague 3 est montée à une extrémité de la corne, les bagues prenant ici une forme de préférence cylindrique, et la corne 10 comprenant une forme correspondante d'excavation cylindrique dans la boîte de montre 1 pour y loger partiellement chaque bague 3.As can be seen at the figure 1 , the pusher 5 is slidably mounted in the ring 3 and is arranged to open into the housing when the user presses on the latter. Each ring 3 is mounted at one end of the horn, the rings here taking a preferably cylindrical shape, and the horn 10 comprising a corresponding form of cylindrical excavation in the watch case 1 in order to partially accommodate each ring 3 therein.

La boite de montre comprend des moyens de centrage et/ou guidage de l'insert sur la boîte de montre. Tels que représentés sur les figures 1 et 4, ces moyens de centrage se présentent sous la forme d'une paire de cliquets à bille 11, chaque cliquet à bille 11 étant agencé pour coopérer avec une paire de trous 12 formés sur la tranche de l'insert 6. La taille et la profondeur respectives des trous 12 et des cliquets à bille 11 sont configurées de telle sorte que l'insert ne dispose de plus aucun degré de liberté lorsque les cliquets à bille 11 sont engagés dans les trous 12 de l'insert 6.The watch case comprises means for centering and / or guiding the insert on the watch case. As depicted on figures 1 and 4 , these centering means are in the form of a pair of ball pawls 11, each ball pawl 11 being arranged to cooperate with a pair of holes 12 formed on the edge of insert 6. The respective size and depth of the holes 12 and the ball pawls 11 are configured such that the insert no longer has any degrees of freedom when the ball pawls 11 are engaged in the holes 12 of the insert. insert 6.

Avantageusement, les cliquets à bille 11 sont orientés vers le bas selon un angle de 45°de manière à donner une bonne orientation au bracelet une fois ce dernier assemblé à la boite de montre1.Advantageously, the ball pawls 11 are oriented downwards at an angle of 45 ° so as to give a good orientation to the bracelet once the latter has been assembled to the watch case1.

Selon l'invention, la corne médiane 1 présente au moins une ouverture 101 sensiblement rectangulaire débouchant dans un logement 100 pour recevoir l'insert 6, la hauteur et la longueur de l'ouverture correspondant à la hauteur et à la longueur de l'insert. Tel que représenté, l'insert 6 comprend deux portions saillantes 60 agencées pour reposer dans deux logements de la corne médiane. L'homme du métier pourrait également envisager un seul logement recevant l'insert.According to the invention, the median horn 1 has at least one substantially rectangular opening 101 opening into a housing 100 to receive the insert 6, the height and the length of the opening corresponding to the height and the length of the insert. . As shown, the insert 6 comprises two projecting portions 60 arranged to rest in two housings of the middle horn. Those skilled in the art could also envision a single housing receiving the insert.

Comme on peut l'observer aux figures 2 et 3, l'insert 6 comprend au moins une cavité circulaire dans laquelle reposent successivement des moyens de rappel élastiques 7 et un tenon 9 de ayant une section cylindrique, les moyens de rappel élastiques 7 se présentant sous la forme d'un ressort spiral par exemple.As can be seen from figures 2 and 3 , the insert 6 comprises at least one circular cavity in which successively rest elastic return means 7 and a tenon 9 having a cylindrical section, the elastic return means 7 being in the form of a spiral spring for example.

L'insert 6 comprend également une goupille 8 chassée dans ce dernier, la goupille 8 faisant saillie dans la cavité et étant agencée pour coopérer avec une rainure 90 formée sur le tenon afin de limiter sa course et de le bloquer en rotation au sein de la cavité.The insert 6 also comprises a pin 8 driven into the latter, the pin 8 projecting into the cavity and being arranged to cooperate with a groove 90 formed on the tenon in order to limit its travel and to block it in rotation within the cavity.

Avantageusement, le tenon 9 comprend un plan incliné 91 au niveau de sa partie saillante de manière à faciliter l'insertion de l'insert 6 dans le logement 100 de la corne 10.Advantageously, the tenon 9 comprises an inclined plane 91 at its projecting part so as to facilitate the insertion of the insert 6 into the housing 100 of the horn 10.

Pour fixer l'insert du brin de bracelet 2 au boîtier 1 comme illustré aux figures 3 et 4, le porteur pousse l'insert 6 dans la corne 10, en présentant les portions saillantes 60 au niveau des ouvertures 101 tout en respectant le guidage/centrage de l'insert au moyen des cliquets à billes 11. Le plan incliné 91 des tenons 9 permet à ces derniers de rentrer dans les logements 100 par le biais du contact de la bague, les ressorts 7 étant à ce moment comprimés.To fix the insert of the bracelet strand 2 to the case 1 as illustrated in figures 3 and 4 , the wearer pushes the insert 6 into the horn 10, presenting the projecting portions 60 at the level of the openings 101 while respecting the guiding / centering the insert by means of the ball pawls 11. The inclined plane 91 of the tenons 9 allows the latter to enter the housings 100 by means of the contact of the ring, the springs 7 being compressed at this time.

Une fois l'insert 6 au fond du logement 100, le tenon 9 reprend sa position de repos, ce qui va avoir pour effet de détendre le ressort 7 et exercer une force qui va faire sortir le poussoir 5 de la bague 3. A cet instant, le brin de bracelet 2 ne peut plus être désolidarisé de la corne, les tenons 9 étant maintenus dans les logements 100 et les cliquets à billes 11 reposant dans les trous 12 de l'insert 6.Once the insert 6 is at the bottom of the housing 100, the tenon 9 returns to its rest position, which will have the effect of relaxing the spring 7 and exerting a force which will cause the pusher 5 to come out of the ring 3. To this end At this time, the bracelet strand 2 can no longer be detached from the horn, the tenons 9 being held in the housings 100 and the ball pawls 11 resting in the holes 12 of the insert 6.

Pour désolidariser le brin de bracelet 2 de la corne 1, le porteur doit appuyer simultanément sur les poussoirs 5, chaque poussoir agissant alors sur un tenon 9 et comprimant les ressorts 7, et ensuit tirer sur le brin de bracelet 2 pour déloger l'insert des logements 100 de la corne 10.To separate the bracelet strand 2 from the horn 1, the wearer must simultaneously press the pushers 5, each pushbutton then acting on a tenon 9 and compressing the springs 7, and then pull on the bracelet strand 2 to dislodge the insert 100 housings of the 10 horn.

Dans le mode de réalisation précédemment décrit, l'insert est disposé sur un bracelet constitué en cuir, en tissu synthétique, en plastique, en métal, en céramique ou encore en composite. De même la barrette 4 est de préférence en métal mais pourrait également être en plastique, céramique ou encore composite.In the embodiment described above, the insert is placed on a strap made of leather, synthetic fabric, plastic, metal, ceramic or even composite. Likewise, bar 4 is preferably made of metal but could also be made of plastic, ceramic or even composite.

L'homme du métier pourra également mettre en place le même dispositif de fixation pour brin de bracelet à maillons, le maillon de liaison avec la boite de montre 1 recevant dabs ce cas l'insert 6, et les maillons pouvant aussi bien être réalisés en matériau métallique, céramique ou composite.Those skilled in the art will also be able to put in place the same fixing device for a link bracelet strand, the connecting link with the watch case 1 receiving in this case the insert 6, and the links can also be made in metallic, ceramic or composite material.

Grâce à ces différents aspects de l'invention, on dispose d'un dispositif de fixation d'un bracelet sûr permettant de changer de bracelet aisément et rapidement, tout en s'affranchissant de la barrette qui maintient classiquement le brin de bracelet à la boite de montre.Thanks to these different aspects of the invention, there is a device for fastening a secure bracelet making it possible to change the bracelet easily and quickly, while dispensing with the bar which conventionally holds the bracelet strand to the box. watch.

Bien entendu, la présente invention ne se limite pas à l'exemple illustré et est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art définies selon les revendications.Of course, the present invention is not limited to the example illustrated and is susceptible to various variants and modifications which will appear from those skilled in the art defined according to the claims.

L'homme du métier n'aurait, par exemple, aucune difficulté à inverser la position des tenons 9 et des poussoirs 5. Ainsi, dans un tel mode de réalisation le bracelet reçoit les poussoirs 5 au niveau des bords latéraux, à proximité de l'insert 6, le poussoir 5 étant monté coulissant dans la bague 3 solidaire de l'insert. Chaque bague 3 est montée à une extrémité de l'insert, les bagues prenant ici une forme de préférence cylindrique. La corne, quant à elle, comprend une cavité circulaire à chacune de ses extrémité latérales, chaque cavité recevant successivement des moyens de rappel élastiques 7 et un tenon 9 faisant saillie de manière à coopérer avec les poussoirs 5. L'utilisateur n'a alors qu'appuyer sur les poussoirs et pousser ou tirer le brin de bracelet pour respectivement le monter ou le démonter.Those skilled in the art would have, for example, no difficulty in reversing the position of the tenons 9 and of the pushers 5. Thus, in such an embodiment, the bracelet receives the pushers 5 at the lateral edges, close to the 'insert 6, the pusher 5 being slidably mounted in the ring 3 integral with the insert. Each ring 3 is mounted at one end of the insert, the rings here taking a preferably cylindrical shape. The horn, for its part, comprises a circular cavity at each of its lateral ends, each cavity successively receiving elastic return means 7 and a tenon 9 projecting so as to cooperate with the pushers 5. The user then does not have to. only press the pushers and push or pull the strap strand to fit or remove it respectively.

Claims (10)

  1. Device for attaching a bracelet to a watch case (1), the device comprising, on the one hand, at least one horn (10) integral with the watch case (1), and on the other hand, an insert (6) integral with the end of a bracelet strand (2), the horn (10) and the insert (6) being complementary in order to cooperate by interlocking with each other to form removable assembly means able to make the bracelet strand (2) interchangeable,
    the insert (6) comprising at least one stud (9) subjected to the action of elastic return means (7), said at least one stud (9) being arranged to cooperate with at least one housing (100) in the horn (10), the horn comprising a control member (5) projecting radially with respect to the horn (10), in order to move the stud (9) from a deployed position wherein the stud (9) holds the bracelet strand (2) on the horn (10), to a retracted position wherein the bracelet strand (2) is released from the horn (10), characterised in that the horn (10) comprises a pair of ball pawls (11), each ball pawl (11) being arranged to cooperate with a pair of holes (12) formed on a wafer of the insert (6).
  2. Attachment device according to claim 1, wherein the control member (5) is slidably mounted at one of the ends of said horn (10), said control member opening into said housing (100) of the horn (10).
  3. Attachment device according to claim 1 or 2, wherein the insert (6) comprises at least one cavity wherein the elastic return means (7) and the stud (9) rest successively.
  4. Attachment device according to claim 3, wherein the insert (6) comprises a pin (8) integral therewith, said pin projecting into said cavity and being arranged to cooperate with a groove (90) of said stud (9).
  5. Attachment device (1) according to any of claims 1 to 4, wherein said at least one stud (9) comprises an inclined plane (91).
  6. Attachment device (1) according to any of claims 1 to 5, comprising at least one ring (3) integral with the horn (10), said ring (3) receiving said at least one control member (5).
  7. Attachment device (1) according to any of claims 1 to 6, wherein said bracelet strand (2) is a strand made of textile material, of leather, of synthetic material, or of plastic material.
  8. Attachment device (1) according to any of claims 1 to 6, wherein said bracelet strand (2) takes the form of a multitude of links made of metallic, ceramic or composite material.
  9. Device for attaching a bracelet to a watch case (1), the device comprising, on the one hand, at least one horn (10) integral with the watch case (1), and on the other hand, an insert (6) integral with the end of a bracelet strand (2), the horn (10) and the insert (6) being complementary in order to cooperate by interlocking with each other to form removable assembly means able to make the bracelet strand (2) interchangeable,
    the horn (10) comprising at least one stud (9) subjected to the action of elastic return means (7), said at least one stud (9) being arranged to cooperate with at least one housing (100) in the insert (6), the insert comprising a control member (5) projecting radially with respect to the insert (6), in order to move the stud (9) from a deployed position wherein the stud (9) holds the bracelet strand (2) on the horn (10), to a retracted position wherein the bracelet strand (2) is released from the horn (10), characterised in that the horn (10) comprises a pair of ball pawls (11), each ball pawl (11) being arranged to cooperate with a pair of holes (12) formed on a wafer of the insert (6).
  10. Timepiece comprising a device for attaching a bracelet strand (2) to a watch case (1) according to any of claims 1 to 9.
EP17197443.9A 2017-10-20 2017-10-20 Fixing device for a bracelet Active EP3473127B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17197443.9A EP3473127B1 (en) 2017-10-20 2017-10-20 Fixing device for a bracelet
US16/137,982 US10993512B2 (en) 2017-10-20 2018-09-21 Device for attaching a bracelet
JP2018190646A JP6688360B2 (en) 2017-10-20 2018-10-09 Device for attaching bracelets
CN201811213236.8A CN109691755B (en) 2017-10-20 2018-10-18 Attachment device for attaching a chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17197443.9A EP3473127B1 (en) 2017-10-20 2017-10-20 Fixing device for a bracelet

Publications (2)

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EP3473127A1 EP3473127A1 (en) 2019-04-24
EP3473127B1 true EP3473127B1 (en) 2021-10-06

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EP17197443.9A Active EP3473127B1 (en) 2017-10-20 2017-10-20 Fixing device for a bracelet

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US (1) US10993512B2 (en)
EP (1) EP3473127B1 (en)
JP (1) JP6688360B2 (en)
CN (1) CN109691755B (en)

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EP3798742A1 (en) * 2019-09-24 2021-03-31 ETA SA Manufacture Horlogère Suisse Device for connecting case body and lugs for a watch
CN114430813A (en) * 2019-09-24 2022-05-03 Eta瑞士钟表制造股份有限公司 Middle part-ear connection for a watch case
EP3958069B1 (en) * 2020-08-18 2024-06-12 The Swatch Group Research and Development Ltd Watch case provided with a trim component
CN112716119B (en) * 2020-12-29 2022-08-26 维沃移动通信有限公司 Watch (watch)
EP4024138B1 (en) * 2020-12-30 2024-07-31 Omega SA Fixing device for a bracelet
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Also Published As

Publication number Publication date
JP2019076701A (en) 2019-05-23
CN109691755B (en) 2021-07-30
US10993512B2 (en) 2021-05-04
JP6688360B2 (en) 2020-04-28
CN109691755A (en) 2019-04-30
US20190116945A1 (en) 2019-04-25
EP3473127A1 (en) 2019-04-24

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