EP3674815A1 - Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same - Google Patents

Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same Download PDF

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Publication number
EP3674815A1
EP3674815A1 EP18248099.6A EP18248099A EP3674815A1 EP 3674815 A1 EP3674815 A1 EP 3674815A1 EP 18248099 A EP18248099 A EP 18248099A EP 3674815 A1 EP3674815 A1 EP 3674815A1
Authority
EP
European Patent Office
Prior art keywords
watch case
annular ring
bracelet
wristwatch
groove
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
EP18248099.6A
Other languages
German (de)
French (fr)
Other versions
EP3674815B1 (en
Inventor
Nicolas LAZZARI
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to EP18248099.6A priority Critical patent/EP3674815B1/en
Priority to JP2019215207A priority patent/JP6975217B2/en
Priority to KR1020190163855A priority patent/KR102313926B1/en
Priority to CN201911337510.7A priority patent/CN111381482B/en
Priority to US16/727,010 priority patent/US11853011B2/en
Publication of EP3674815A1 publication Critical patent/EP3674815A1/en
Application granted granted Critical
Publication of EP3674815B1 publication Critical patent/EP3674815B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A44C5/147—Watchcase itself used as fastener

Definitions

  • the invention relates to a watch case for a wristwatch.
  • the invention also relates to a wristwatch comprising the watch case and a two-part strap attached to the watch case.
  • the invention further relates to a wristwatch assembly kit, comprising the wristwatch and one or more spare straps.
  • the watch case comprises a middle part having a central axis, means for attaching a bracelet in the form of lugs detachably connected to the middle part, and an annular ring forming the bottom of the case. watch.
  • the annular ring is mounted for rotation about the central axis of the middle part and comprises mechanical locking means in the form of hooks.
  • the hooks are able to slide in a channel formed in the attachment lugs, to ensure the locking in position of these lugs and thus allow the bracelet to be secured to the box of watch.
  • a channel thus forms a means for engaging the hooks, complementary to these.
  • the object of the invention is therefore to provide a watch case for a wristwatch with an interchangeable strap which makes it possible to reduce or even eliminate the potentially perceptible play of movement between the strap and the middle part, and thus to improve the integration between these two elements.
  • the invention relates to a watch case for a wristwatch, which comprises the characteristics mentioned in independent claim 1.
  • the mechanical locking means comprise at least one elastic member.
  • the elastic member is elastically engaged with the complementary engagement means when the annular ring is in its locked position. Thanks to the inherent elasticity of the elastic member, the potential play between the bracelet and the middle part is advantageously taken up. This improves the integration of the watch box / bracelet assembly, while offering no visible play between the two elements.
  • the user of the wristwatch can fasten or separate the strap from the middle easily, quickly, and in a single action of rotation on the annular ring of the watch case.
  • the complementary engagement means provided on the attachment means of a bracelet are released, allowing the release of the attachment means of the middle part, and therefore the disengagement of the bracelet the middle.
  • the annular ring has a constant section and comprises at least one notch capable of cooperating with the complementary engagement means provided on the attachment means of a bracelet, the complementary engagement means forming said or one of said elastic member (s) and being in the form of a leaf spring provided on the attachment means of a bracelet.
  • the annular ring comprises at least one thinned portion configured to allow elastic deformation, along a radius, of the annular ring in a plane along which it extends, the or each thinned portion having at least one notch capable of cooperating with the complementary engagement means provided on the attachment means of a bracelet, said notch forming said or one of said elastic member (s).
  • This allows a gain in overall dimensions in width of the system, since the annular ring works in bending in its plane.
  • such a configuration does not require any parts added to the annular ring to ensure the mechanical locking of the assembly, since the annular ring is formed from a single piece of material.
  • Such an arrangement is also compact in diameter, which makes it possible to obtain optimal integration between the bracelet and the middle part.
  • the middle part is provided with two pairs of opposite horns, the horns of the same pair being arranged facing one another, and the means for attaching a bracelet comprise a pair of bars and a pair end pieces, each bar being fixed between the horns of one of said pairs of horns, each end piece being able to be secured to an end portion of the bracelet, having a cross section in the shape of a "U" and being mounted so removable on one of the bars.
  • each endpiece is provided with a groove for receiving the mechanical locking means of the annular ring, said groove extending on an external face of the endpiece in contact with the middle part.
  • This characteristic also provides a mechanical stop in the direction parallel to the central axis of the middle part.
  • the watch case includes at least one stop for the annular ring. This avoids excessive rotation of the annular ring around the central axis of the middle part.
  • the invention also relates to a wristwatch comprising the watch case described above, which includes the features mentioned in dependent claim 16.
  • the invention also relates to a kit for assembling a wristwatch, comprising the wristwatch described above, and which comprises the characteristics mentioned in dependent claim 17.
  • the figure 1 shows a watch case 1 for a wristwatch.
  • a two-part strap (not shown) is removably attached to watch case 1.
  • the wristwatch may for example belong to a kit (not shown) further comprising one or more additional bracelet (s).
  • additional straps constitute as many interchangeable straps for the wristwatch, which can be removably attached to the watch case 1.
  • the interchangeable straps can for example be made of metal, plastic, or a flexible material such as leather.
  • the watch case 1 comprises a middle part 2, a case back 4, means 6 for attaching a bracelet, and an annular ring 8.
  • the watch case 1 further comprises at least one stop d 'stop of the annular ring 8.
  • each stopper is a pin.
  • Each stopper is for example arranged on the middle part 2 or on the case back 4 and is configured to cooperate with a groove formed in the annular ring 8.
  • each stopper is shaped so as to prevent the rotation of the annular ring 8 over a predetermined angular range.
  • the middle part 2 has a central axis AA ′ and is placed on the bottom of the case 4. As illustrated in the figure 2 , the middle part 2 and the case back 4 together define a space 10 for receiving the annular ring 8, such a space 10 being open on the side. The annular ring 8 is thus held between the middle part 2 and the case back 4, in space 10.
  • the middle part 2 and the case back 4 are of annular shape, and the space 10 is in the form of a groove for receiving the annular ring 8.
  • the invention is in no way limited to such a circular configuration of the watch case 1, or to the other provisions described above for the middle part 2 and for the case back 4.
  • the watch case 1 can be of variable shape to ensure good handling and functionality of the assembly.
  • the middle part 2 is provided with two pairs of opposite horns 12.
  • the two pairs of horns 12 are arranged at approximately 180 degrees from each other, on either side of the middle part 2.
  • Each horn 12 is oriented in the direction of a longitudinal direction corresponding generally to the direction of extension of the bracelet.
  • the longitudinal direction corresponds substantially to the direction 6h - 12h of the watch case 1 when the strap is attached to the watch case 1.
  • Each horn 12 includes a housing 14 for receiving a pin of a bar, as will be described later.
  • the horns 12 of the same pair of horns are arranged opposite one another, to allow attachment of a fixing bar.
  • the case back 4 is for example closed by a bottom window 40, and the watch case 1 is closed on its upper part by a window 41, said case receiving at least one movement 42 surmounted by a dial 43.
  • the means 6 for attaching a bracelet comprise engagement means 15 able to cooperate in a complementary manner with mechanical locking means.
  • the attachment means 6 are removably connected to the middle part 2. More specifically, in the illustrative example of Figures 1 to 3 , the attachment means 6 comprise a pair of bars 16 and a pair of end pieces 18.
  • each bar 16 is fixed between the horns 12 of the same pair of horns 12. To do this, each bar 16 comprises for example two pins 20 at its ends. Each pin 20 of a bar 16 is received in a corresponding housing 14 of a horn 12.
  • each end piece 18 has a cross section substantially in the shape of a "U” and is removably mounted on one of the bars 16.
  • Each end piece 18 is mounted on a bar 16 from above the latter.
  • Each bar 16 on which a nozzle 18 is mounted extends inside the "U" formed by the nozzle 18.
  • each nozzle 18 extends in its largest dimension in a direction substantially parallel to the direction of extension of the bar 16.
  • Each endpiece 18 is also secured to an end portion of the bracelet, this attachment not being visible in the figures because it is not the object of the present invention.
  • each end piece 18 is provided, on one of its external faces 22, with a groove 24.
  • This external face 22 of the end piece 18 is in contact with the middle part 2 when the end piece 18 is mounted on a corresponding bar 16.
  • the groove 24, which extends over the entire length of the end piece 18 (the length being taken as the largest dimension along which the end piece 18 extends), is configured to receive mechanical locking means, like this will be described later.
  • the groove 24 of each end piece 18 is provided with a lug 26 which projects from the bottom of the groove 24.
  • the lug 26 is for example arranged in a median part of the groove 24.
  • the 'pin 26 forms the engagement means 15.
  • the groove 24 has a shape such that the reception of the mechanical locking means in the groove ensures the blocking of these means in the groove .
  • the groove forms the engagement means 15.
  • the annular ring 8 is mounted for rotation about the central axis AA ′ of the middle part 2.
  • the annular ring 8 comprises mechanical locking means 28 capable, when the ring 8 is in a locking position, of cooperating with the means complementary engagement 15 to allow the attachment means 6 to the middle part 2 to be secured.
  • the annular ring 8 is movable in rotation around the axis AA ′, between a locking position in which the attachment means 6, and therefore the bracelet, are secured to the middle part 2; and an unlocking position in which the fastening means 6, and therefore the strap, are separated from the middle part 2.
  • the annular ring 8 has a constant section and comprises at least one notch 35 at its periphery, the notch 35 being arranged to cooperate with a leaf spring 37 arranged in the end piece 18 and configured to allow elastic deformation.
  • the leaf spring 37 comprises a free end which is shaped to be housed in the notch 35 when these two parts are face to face and thus lock the end piece 18.
  • the annular ring 8 comprises two notches 35, arranged 180 degrees from each other on the ring.
  • the mechanical locking means 28 comprise at least one elastic member 34, capable of coming elastically into engagement with the complementary engagement means 15 when the annular ring 8 is in the locking position.
  • the mechanical locking means 28 comprise two elastic members 34, arranged 180 degrees from one another on the end piece 18.
  • the ring 8 has two notches 35 arranged to cooperate with an elastic member 34.
  • each notch 35 is able to cooperate with the complementary engagement means 15, more precisely with a bent portion of the elastic blade 37, to allow the mechanical locking of the ring annular 8 and the attachment means 6 to the middle 2.
  • each portion of the ring 8 carrying a notch 35 projects beyond the outer periphery of the middle part 2 and is received in the groove 24 of one of the end pieces 18.
  • the annular ring 8 also comprises at least one thinned portion 30 configured to allow elastic deformation, along a radius, of the annular ring in the plane along which it extends.
  • the annular ring 30 comprises two thinned portions 30, arranged at 180 degrees from one another on the ring. The thinned portions 30 are arranged to give the annular ring 8 flexibility in the plane along which it extends.
  • the annular ring 8 also includes, on its outer periphery, an actuating portion 32.
  • Such an actuating portion 32 extends outside the watch case 1, on one side of the case, and is configured to allow a user of the wristwatch to perform a rotational thrust on the ring 8, making it possible to move the ring 8 between its locked and unlocked positions, and vice versa.
  • the annular ring 8 is for example made of metal but could be made of any other material, for example plastic material.
  • the mechanical locking means 28 comprise at least one elastic member 34, capable of coming elastically into engagement with the complementary engagement means 15 when the annular ring 8 is in the locking position.
  • the mechanical locking means 28 comprise two elastic members 34, arranged 180 degrees from each other on the ring 8.
  • each thinned portion 30 has a notch 34, which forms one of the elastic members .
  • each notch 34 is able to cooperate with the complementary engagement means 15, more precisely with one of the lugs 26, to allow the mechanical locking of the annular ring 8 and the fastening of the attachment means 6 to the middle part 2.
  • each portion of the ring 8 carrying a notch 34 protrudes beyond the outer periphery of the middle part 2 and is received in the groove 24 of one of the end pieces 18.
  • each thinned portion 30 is thinned radially.
  • Each notch 34 is for example arranged in a middle part of one of the thinned portions 30.
  • each elastic member 34 is a ball pawl.
  • a ball pawl is for example fitted in the end piece 18, and the annular ring 8 is provided with a housing for cooperating with the ball pawl, such a housing forming the complementary engagement means 15.
  • each notch 34 provided on the annular ring 8 cooperates elastically with a lug 26 provided on one of the end pieces 18.
  • the user wishes to pass from the locking position to the unlocking position, he turns the annular ring 8 in the direction of arrow F1, for example by pushing or pulling on the actuating portion 32.
  • the system can obviously operate clockwise and counterclockwise for locking and / or unlocking.

Abstract

Boîte de montre pour une montre-bracelet comprenant une carrure ayant un axe central, un fond de boîte, des moyens d'attache d'un bracelet reliés de manière amovible à la carrure, et une bague annulaire montée à rotation autour de l'axe central de la carrure, la bague annulaire étant munie de moyens de verrouillage mécanique aptes, lorsque la bague annulaire est dans une position de verrouillage, à coopérer avec des moyens de mise en prise complémentaires prévus sur les moyens d'attache d'un bracelet, pour permettre la solidarisation des moyens d'attache à la carrure. Selon l'invention, la bague annulaire est maintenue entre la carrure et le fond de boîte et en ce que les moyens de verrouillage mécanique comprennent au moins un organe élastique, ledit organe étant élastiquement en prise avec les moyens de mise en prise complémentaires lorsque la bague annulaire est dans la position de verrouillage.Watch case for a wristwatch comprising a middle part having a central axis, a case back, means for attaching a strap detachably connected to the middle part, and an annular ring rotatably mounted about the axis central part of the middle, the annular ring being provided with mechanical locking means capable, when the annular ring is in a locking position, of cooperating with complementary engagement means provided on the attachment means of a bracelet, to allow the attachment of the attachment means to the middle. According to the invention, the annular ring is held between the middle part and the case back and in that the mechanical locking means comprise at least one elastic member, said member being elastically engaged with the complementary engagement means when the annular ring is in the locked position.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne une boîte de montre pour une montre-bracelet.The invention relates to a watch case for a wristwatch.

L'invention concerne également une montre-bracelet comprenant la boîte de montre et un bracelet en deux parties attaché à la boîte de montre.The invention also relates to a wristwatch comprising the watch case and a two-part strap attached to the watch case.

L'invention concerne en outre un kit d'assemblage de la montre-bracelet, comprenant la montre-bracelet et un ou plusieurs bracelets de rechange.The invention further relates to a wristwatch assembly kit, comprising the wristwatch and one or more spare straps.

ETAT DE LA TECHNIQUESTATE OF THE ART

Dans le domaine des montres-bracelets, il est connu de fixer le bracelet à des cornes de la boîte de montre, au moyen de systèmes de fixation tels que des barrettes à ressort, des pions métalliques ou encore des vis. Dans tous les cas, l'utilisateur d'une telle montre-bracelet ne peut pas désolidariser facilement le bracelet de la montre, par exemple pour changer de bracelet. Une telle opération nécessite en effet un outil adapté, un tel outil étant parfois uniquement à disposition des professionnels du domaine. Le remplacement du bracelet doit ainsi, dans la plupart des cas, être effectué par un professionnel, ce qui augmente par conséquent la durée et le coût de l'opération.In the field of wristwatches, it is known to fix the bracelet to the horns of the watch case, by means of fixing systems such as spring bars, metal pegs or even screws. In all cases, the user of such a wristwatch cannot easily separate the strap from the watch, for example to change the strap. Such an operation indeed requires an adapted tool, such a tool being sometimes only available to professionals in the field. The replacement of the bracelet must therefore, in most cases, be carried out by a professional, which consequently increases the duration and the cost of the operation.

Afin de remédier à cet inconvénient il est également connu des montres-bracelets avec bracelet interchangeable. Une telle montre-bracelet est par exemple décrite dans le document brevet EP 3 070 546 B1 . Dans cette montre-bracelet, la boîte de montre comporte une carrure ayant un axe central, des moyens d'attache d'un bracelet sous la forme de pattes reliées de manière amovible à la carrure, et une bague annulaire formant le fond de la boîte de montre. La bague annulaire est montée à rotation autour de l'axe central de la carrure et comprend des moyens de verrouillage mécanique sous la forme de crochets. Lorsque la bague annulaire est tournée jusqu'à une position de verrouillage, les crochets sont aptes à coulisser dans un canal ménagé dans les pattes d'attache, pour assurer le blocage en position de ces pattes et permettre ainsi la solidarisation du bracelet à la boîte de montre. Un tel canal forme ainsi un moyen de mise en prise des crochets, complémentaire à ceux-ci.In order to remedy this drawback, wristwatches with interchangeable straps are also known. Such a wristwatch is for example described in the patent document EP 3,070,546 B1 . In this wristwatch, the watch case comprises a middle part having a central axis, means for attaching a bracelet in the form of lugs detachably connected to the middle part, and an annular ring forming the bottom of the case. watch. The annular ring is mounted for rotation about the central axis of the middle part and comprises mechanical locking means in the form of hooks. When the annular ring is turned to a locking position, the hooks are able to slide in a channel formed in the attachment lugs, to ensure the locking in position of these lugs and thus allow the bracelet to be secured to the box of watch. Such a channel thus forms a means for engaging the hooks, complementary to these.

Toutefois, un inconvénient de la boîte de montre proposée dans le document brevet EP 3 070 546 B1 est qu'elle introduit des jeux de mouvement perceptibles entre le bracelet et la carrure, notamment des jeux dans la direction parallèle à l'axe central de la carrure.However, a drawback of the watch case proposed in the patent document EP 3,070,546 B1 is that it introduces perceptible movement games between the bracelet and the middle part, in particular games in the direction parallel to the central axis of the middle part.

RÉSUMÉ DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention a donc pour but de fournir une boîte de montre pour une montre-bracelet à bracelet interchangeable qui permette de réduire voire de supprimer les jeux de mouvement potentiellement perceptibles entre le bracelet et la carrure, et d'améliorer ainsi l'intégration entre ces deux éléments.The object of the invention is therefore to provide a watch case for a wristwatch with an interchangeable strap which makes it possible to reduce or even eliminate the potentially perceptible play of movement between the strap and the middle part, and thus to improve the integration between these two elements.

A cet effet, l'invention concerne une boîte de montre pour une montre-bracelet, qui comprend les caractéristiques mentionnées dans la revendication indépendante 1.To this end, the invention relates to a watch case for a wristwatch, which comprises the characteristics mentioned in independent claim 1.

Des formes particulières de la boîte de montre sont définies dans les revendications dépendantes 2 à 17.Particular forms of the watch case are defined in dependent claims 2 to 17.

Un avantage de la boîte de montre selon l'invention réside dans le fait que les moyens de verrouillage mécanique comprennent au moins un organe élastique. L'organe élastique est élastiquement en prise avec les moyens de mise en prise complémentaires lorsque la bague annulaire est dans sa position de verrouillage. Grâce à l'élasticité inhérente à l'organe élastique, les jeux de mouvement potentiels entre le bracelet et la carrure sont avantageusement rattrapés. Ceci permet d'améliorer l'intégration de l'ensemble boîte de montre / bracelet, en offrant aucun jeu visible entre les deux éléments. En outre, l'utilisateur de la montre-bracelet peut solidariser ou désolidariser le bracelet de la carrure facilement, rapidement, et en une seule action de rotation sur la bague annulaire de la boîte de montre. Lorsque la bague annulaire est dans sa position de déverrouillage, les moyens de mise en prise complémentaires prévus sur les moyens d'attache d'un bracelet sont dégagés, permettant la libération des moyens d'attache de la carrure, et donc la désolidarisation du bracelet de la carrure.An advantage of the watch case according to the invention lies in the fact that the mechanical locking means comprise at least one elastic member. The elastic member is elastically engaged with the complementary engagement means when the annular ring is in its locked position. Thanks to the inherent elasticity of the elastic member, the potential play between the bracelet and the middle part is advantageously taken up. This improves the integration of the watch box / bracelet assembly, while offering no visible play between the two elements. In addition, the user of the wristwatch can fasten or separate the strap from the middle easily, quickly, and in a single action of rotation on the annular ring of the watch case. When the annular ring is in its unlocked position, the complementary engagement means provided on the attachment means of a bracelet are released, allowing the release of the attachment means of the middle part, and therefore the disengagement of the bracelet the middle.

Avantageusement, la bague annulaire présente une section constante et comprend au moins une échancrure apte à coopérer avec les moyens de mise en prise complémentaires prévus sur les moyens d'attache d'un bracelet, les moyens de mise en prise complémentaires formant ledit ou un desdits organe(s) élastique(s) et se présentant sous la forme d'une lame ressort prévue sur les moyens d'attache d'un bracelet.Advantageously, the annular ring has a constant section and comprises at least one notch capable of cooperating with the complementary engagement means provided on the attachment means of a bracelet, the complementary engagement means forming said or one of said elastic member (s) and being in the form of a leaf spring provided on the attachment means of a bracelet.

Avantageusement, la bague annulaire comprend au moins une portion amincie configurée pour permettre une déformation élastique, selon un rayon, de la bague annulaire dans un plan selon lequel elle s'étend, la ou chaque portion amincie présentant au moins une échancrure apte à coopérer avec les moyens de mise en prise complémentaires prévus sur les moyens d'attache d'un bracelet, ladite échancrure formant ledit ou un desdits organe(s) élastique(s). Ceci permet d'obtenir un gain en encombrement en largeur du système, puisque la bague annulaire travaille en flexion dans son plan. En outre, une telle configuration ne nécessite pas de pièces rapportées sur la bague annulaire pour assurer le verrouillage mécanique de l'ensemble, puisque la bague annulaire est formée d'une seule pièce de matière. Un tel agencement est en outre compact en diamètre, ce qui permet d'obtenir une intégration optimale entre le bracelet et la carrure.Advantageously, the annular ring comprises at least one thinned portion configured to allow elastic deformation, along a radius, of the annular ring in a plane along which it extends, the or each thinned portion having at least one notch capable of cooperating with the complementary engagement means provided on the attachment means of a bracelet, said notch forming said or one of said elastic member (s). This allows a gain in overall dimensions in width of the system, since the annular ring works in bending in its plane. In addition, such a configuration does not require any parts added to the annular ring to ensure the mechanical locking of the assembly, since the annular ring is formed from a single piece of material. Such an arrangement is also compact in diameter, which makes it possible to obtain optimal integration between the bracelet and the middle part.

Avantageusement, la carrure est munie de deux paires de cornes opposées, les cornes d'une même paire étant agencées en regard l'une de l'autre, et les moyens d'attache d'un bracelet comprennent une paire de barrettes et une paire d'embouts, chaque barrette étant fixée entre les cornes d'une desdites paires de cornes, chaque embout étant apte à être solidarisé à une partie d'extrémité du bracelet, présentant une coupe transversale en forme de « U » et étant monté de manière amovible sur une des barrettes. Ceci permet de faciliter la solidarisation et la désolidarisation du bracelet à la carrure, en une seule action de l'utilisateur, ainsi que de permettre un positionnement précis du bracelet par coulissement de chaque embout sur une des barrettes.Advantageously, the middle part is provided with two pairs of opposite horns, the horns of the same pair being arranged facing one another, and the means for attaching a bracelet comprise a pair of bars and a pair end pieces, each bar being fixed between the horns of one of said pairs of horns, each end piece being able to be secured to an end portion of the bracelet, having a cross section in the shape of a "U" and being mounted so removable on one of the bars. This facilitates the joining and detaching of the bracelet from the middle part, in a single action by the user, as well as allowing precise positioning of the bracelet by sliding each end piece on one of the bars.

Avantageusement, chaque embout est muni d'une rainure de réception des moyens de verrouillage mécanique de la bague annulaire, ladite rainure s'étendant sur une face externe de l'embout en contact avec la carrure. Ceci permet de forcer la rotation de l'embout autour de la barrette pour rattraper la totalité du jeu potentiellement perceptible. Cette caractéristique fournit également une butée mécanique selon la direction parallèle à l'axe central de la carrure.Advantageously, each endpiece is provided with a groove for receiving the mechanical locking means of the annular ring, said groove extending on an external face of the endpiece in contact with the middle part. This makes it possible to force the rotation of the endpiece around the bar to make up for the entire potentially noticeable play. This characteristic also provides a mechanical stop in the direction parallel to the central axis of the middle part.

Avantageusement, la boîte de montre comprend au moins une butée d'arrêt de la bague annulaire. Ceci permet d'éviter une rotation de la bague annulaire trop importante autour de l'axe central de la carrure.Advantageously, the watch case includes at least one stop for the annular ring. This avoids excessive rotation of the annular ring around the central axis of the middle part.

A cet effet, l'invention concerne également une montre-bracelet comprenant la boîte de montre décrite ci-dessus, qui comprend les caractéristiques mentionnées dans la revendication dépendante 16.To this end, the invention also relates to a wristwatch comprising the watch case described above, which includes the features mentioned in dependent claim 16.

A cet effet, l'invention concerne également un kit d'assemblage d'une montre-bracelet, comprenant la montre-bracelet décrite ci-dessus, et qui comprend les caractéristiques mentionnées dans la revendication dépendante 17.To this end, the invention also relates to a kit for assembling a wristwatch, comprising the wristwatch described above, and which comprises the characteristics mentioned in dependent claim 17.

BRÈVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

Les buts, avantages et caractéristiques de la boîte de montre, ainsi que de la montre-bracelet et du kit d'assemblage la comprenant, apparaîtront mieux dans la description suivante sur la base d'au moins une forme d'exécution non limitative illustrée par les dessins sur lesquels :

  • la figure 1 est une vue éclatée d'une boîte de montre pour montre-bracelet selon un premier mode de réalisation ;
  • la figure 2 est une vue en coupe d'une partie de la boîte de montre de la figure 1 ;
  • les figures 3a et 3b sont des vues en coupe de la boîte de montre de la figure 1, respectivement dans une position de verrouillage de la bague annulaire ; et dans une position de déverrouillage de la bague annulaire ;
  • la figure 4 est une vue en perspective de dessous d'une boîte de montre pour montre-bracelet selon l'invention, la boîte de montre comprenant une bague annulaire ;
  • la figure 5 est une vue en perspective éclatée de la boîte de montre de la figure 4 ;
  • la figure 6a est une vue en coupe d'une partie de la boîte de montre de la figure 4, prise selon un plan de coupe III-III et renversée par rapport à la vue de la figure 4 ;
  • la figure 6b est une vue de dessous de la boîte de montre de la figure 4, dans une position de verrouillage de la bague annulaire ; et
  • la figure 6c est une vue analogue à celle de la figure 4, dans une position de déverrouillage de la bague annulaire.
The aims, advantages and characteristics of the watch case, as well as of the wristwatch and of the assembly kit comprising it, will appear better in the following description on the basis of at least one nonlimiting embodiment illustrated by the drawings in which:
  • the figure 1 is an exploded view of a watch case for a wristwatch according to a first embodiment;
  • the figure 2 is a sectional view of part of the watch case of the figure 1 ;
  • the Figures 3a and 3b are sectional views of the watch case of the figure 1 , respectively in a locking position of the annular ring; and in an unlocking position of the annular ring;
  • the figure 4 is a perspective view from below of a watch case for a wristwatch according to the invention, the watch case comprising an annular ring;
  • the figure 5 is an exploded perspective view of the watch case of the figure 4 ;
  • the figure 6a is a sectional view of part of the watch case of the figure 4 , taken along a section plane III-III and inverted compared to the view of the figure 4 ;
  • the figure 6b is a bottom view of the watch case of the figure 4 , in a locking position of the annular ring; and
  • the figure 6c is a view similar to that of the figure 4 , in an unlocking position of the annular ring.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

La figure 1 représente une boîte de montre 1 pour montre-bracelet. Un bracelet en deux parties (non représenté) est attaché de manière amovible à la boîte de montre 1. La montre-bracelet peut par exemple appartenir à un kit (non représenté) comprenant en outre un ou plusieurs bracelet(s) additionnel(s). De tels bracelets additionnels constituent autant de bracelets interchangeables pour la montre-bracelet, pouvant être attachés de manière amovible à la boîte de montre 1. A titre d'exemple non limitatif, les bracelets interchangeables peuvent par exemple être constitués de métal, de plastique, ou encore d'un matériau souple tel que le cuir.The figure 1 shows a watch case 1 for a wristwatch. A two-part strap (not shown) is removably attached to watch case 1. The wristwatch may for example belong to a kit (not shown) further comprising one or more additional bracelet (s). Such additional straps constitute as many interchangeable straps for the wristwatch, which can be removably attached to the watch case 1. By way of nonlimiting example, the interchangeable straps can for example be made of metal, plastic, or a flexible material such as leather.

Dans la suite de la description, à titre non limitatif, des éléments seront qualifiés d'intérieur ou d'extérieur en fonction de leur orientation par rapport à la boîte de montre 1.In the following description, without limitation, elements will be qualified as interior or exterior depending on their orientation relative to watch case 1.

Comme illustré sur les figures 1 à 6c, la boîte de montre 1 comprend une carrure 2, un fond de boîte 4, des moyens 6 d'attache d'un bracelet, et une bague annulaire 8. De préférence, la boîte de montre 1 comprend en outre au moins une butée d'arrêt de la bague annulaire 8. Une telle butée d'arrêt n'est pas représentée sur les figures pour des raisons de clarté. Selon un exemple de réalisation, chaque butée d'arrêt est une goupille. Chaque butée d'arrêt est par exemple agencée sur la carrure 2 ou sur le fond de boîte 4 et est configurée pour coopérer avec une gorge ménagée dans la bague annulaire 8. De préférence, chaque butée d'arrêt est conformée de manière à empêcher la rotation de la bague annulaire 8 sur une plage angulaire prédéterminée.As illustrated on figures 1 to 6c , the watch case 1 comprises a middle part 2, a case back 4, means 6 for attaching a bracelet, and an annular ring 8. Preferably, the watch case 1 further comprises at least one stop d 'stop of the annular ring 8. Such a stop stop is not shown in the figures for reasons of clarity. According to an exemplary embodiment, each stopper is a pin. Each stopper is for example arranged on the middle part 2 or on the case back 4 and is configured to cooperate with a groove formed in the annular ring 8. Preferably, each stopper is shaped so as to prevent the rotation of the annular ring 8 over a predetermined angular range.

La carrure 2 présente un axe central A-A' et est posée sur le fond de boîte 4. Comme illustré sur la figure 2, la carrure 2 et le fond de boîte 4 définissent ensemble un espace 10 de réception de la bague annulaire 8, un tel espace 10 étant ouvert sur le côté. La bague annulaire 8 est ainsi maintenue entre la carrure 2 et le fond de boîte 4, dans l'espace 10. Dans la boîte de montre 1 circulaire prise en exemple aux figures 1 à 6c, la carrure 2 et le fond de boîte 4 sont de forme annulaire, et l'espace 10 se présente sous la forme d'une gorge de réception de la bague annulaire 8. Toutefois, l'invention n'est nullement limitée à une telle configuration circulaire de la boîte de montre 1, ni aux autres dispositions décrites ci-dessus pour la carrure 2 et pour le fond de boîte 4. En fonction de la conception et de la géométrie de la carrure 2, la boîte de montre 1 peut être de forme variable pour assurer une bonne maniabilité et fonctionnalité de l'ensemble.The middle part 2 has a central axis AA ′ and is placed on the bottom of the case 4. As illustrated in the figure 2 , the middle part 2 and the case back 4 together define a space 10 for receiving the annular ring 8, such a space 10 being open on the side. The annular ring 8 is thus held between the middle part 2 and the case back 4, in space 10. In the circular watch case 1 taken as an example from figures 1 to 6c , the middle part 2 and the case back 4 are of annular shape, and the space 10 is in the form of a groove for receiving the annular ring 8. However, the invention is in no way limited to such a circular configuration of the watch case 1, or to the other provisions described above for the middle part 2 and for the case back 4. Depending on the design and the geometry of the middle part 2, the watch case 1 can be of variable shape to ensure good handling and functionality of the assembly.

Dans l'exemple de réalisation illustratif des figures 1 à 3c, la carrure 2 est munie de deux paires de cornes opposées 12. Les deux paires de cornes 12 sont disposées à environ 180 degrés l'une de l'autre, de part et d'autre de la carrure 2. Chaque corne 12 est orientée dans le sens d'une direction longitudinale correspondant globalement à la direction d'extension du bracelet. La direction longitudinale correspond sensiblement à la direction 6h - 12h de la boîte de montre 1 lorsque le bracelet est attaché à la boîte de montre 1. Chaque corne 12 comprend un logement 14 de réception d'un pion d'une barrette, comme cela sera décrit par la suite. Les cornes 12 d'une même paire de cornes sont agencées en regard l'une de l'autre, pour permettre d'y attacher une barrette de fixation.In the illustrative embodiment of the figures 1 to 3c , the middle part 2 is provided with two pairs of opposite horns 12. The two pairs of horns 12 are arranged at approximately 180 degrees from each other, on either side of the middle part 2. Each horn 12 is oriented in the direction of a longitudinal direction corresponding generally to the direction of extension of the bracelet. The longitudinal direction corresponds substantially to the direction 6h - 12h of the watch case 1 when the strap is attached to the watch case 1. Each horn 12 includes a housing 14 for receiving a pin of a bar, as will be described later. The horns 12 of the same pair of horns are arranged opposite one another, to allow attachment of a fixing bar.

Le fond de boîte 4 est par exemple fermé par une glace de fond 40, et la boîte de montre 1 est fermée sur sa partie supérieure par une glace 41, ladite boîte recevant au moins un mouvement 42 surmonté d'un cadran 43.The case back 4 is for example closed by a bottom window 40, and the watch case 1 is closed on its upper part by a window 41, said case receiving at least one movement 42 surmounted by a dial 43.

Comme illustré sur les figures 3a et 3b, et comme cela sera détaillé par la suite, les moyens 6 d'attache d'un bracelet comprennent des moyens de mise en prise 15 aptes à coopérer de manière complémentaire avec des moyens de verrouillage mécanique. Les moyens d'attache 6 sont reliés de manière amovible à la carrure 2. Plus précisément, dans l'exemple illustratif des figures 1 à 3, les moyens d'attache 6 comprennent une paire de barrettes 16 et une paire d'embouts 18.As illustrated on Figures 3a and 3b , and as will be detailed below, the means 6 for attaching a bracelet comprise engagement means 15 able to cooperate in a complementary manner with mechanical locking means. The attachment means 6 are removably connected to the middle part 2. More specifically, in the illustrative example of Figures 1 to 3 , the attachment means 6 comprise a pair of bars 16 and a pair of end pieces 18.

Chaque barrette 16 est fixée entre les cornes 12 d'une même paire de cornes 12. Pour ce faire, chaque barrette 16 comporte par exemple deux pions 20 à ses extrémités. Chaque pion 20 d'une barrette 16 est reçu dans un logement correspondant 14 d'une corne 12.Each bar 16 is fixed between the horns 12 of the same pair of horns 12. To do this, each bar 16 comprises for example two pins 20 at its ends. Each pin 20 of a bar 16 is received in a corresponding housing 14 of a horn 12.

Comme visible par exemple sur les figures 1, 3a, 4 et 6b, chaque embout 18 présente une coupe transversale sensiblement en forme de « U » et est monté de manière amovible sur une des barrettes 16. Chaque embout 18 est monté sur une barrette 16 depuis le dessus de cette dernière. Chaque barrette 16 sur laquelle un embout 18 est monté s'étend à l'intérieur du « U » formé par l'embout 18. Lorsqu'il est monté sur une barrette 16 correspondante, chaque embout 18 s'étend dans sa plus grande dimension selon une direction sensiblement parallèle à la direction d'extension de la barrette 16. Chaque embout 18 est par ailleurs solidarisé à une partie d'extrémité du bracelet, cette solidarisation n'étant pas visible sur les figures car n'étant pas l'objet de la présente invention.As visible for example on figures 1 , 3a , 4 and 6b , each end piece 18 has a cross section substantially in the shape of a "U" and is removably mounted on one of the bars 16. Each end piece 18 is mounted on a bar 16 from above the latter. Each bar 16 on which a nozzle 18 is mounted extends inside the "U" formed by the nozzle 18. When it is mounted on a corresponding bar 16, each nozzle 18 extends in its largest dimension in a direction substantially parallel to the direction of extension of the bar 16. Each endpiece 18 is also secured to an end portion of the bracelet, this attachment not being visible in the figures because it is not the object of the present invention.

Dans l'exemple de réalisation illustré sur la figure 2, chaque embout 18 est muni, sur une de ses faces externes 22, d'une rainure 24. Cette face externe 22 de l'embout 18 est en contact avec la carrure 2 lorsque l'embout 18 est monté sur une barrette 16 correspondante. La rainure 24, qui s'étend sur toute la longueur de l'embout 18 (la longueur étant prise comme la plus grande dimension selon laquelle s'étend l'embout 18), est configurée pour recevoir des moyens de verrouillage mécanique, comme cela sera décrit par la suite.In the embodiment illustrated on the figure 2 , each end piece 18 is provided, on one of its external faces 22, with a groove 24. This external face 22 of the end piece 18 is in contact with the middle part 2 when the end piece 18 is mounted on a corresponding bar 16. The groove 24, which extends over the entire length of the end piece 18 (the length being taken as the largest dimension along which the end piece 18 extends), is configured to receive mechanical locking means, like this will be described later.

Selon un exemple de réalisation illustré sur les figures 6b et 6c, la rainure 24 de chaque embout 18 est munie d'un ergot 26 qui fait saillie depuis le fond de la rainure 24. L'ergot 26 est par exemple agencé dans une partie médiane de la rainure 24. Selon cet exemple de réalisation, l'ergot 26 forme les moyens de mise en prise 15. Selon une variante de réalisation non représentée sur les figures, la rainure 24 présente une forme telle que la réception des moyens de verrouillage mécanique dans la rainure assure le blocage de ces moyens dans la rainure. Dans cette variante de réalisation, la rainure forme les moyens de mise en prise 15.According to an exemplary embodiment illustrated on the Figures 6b and 6c , the groove 24 of each end piece 18 is provided with a lug 26 which projects from the bottom of the groove 24. The lug 26 is for example arranged in a median part of the groove 24. According to this embodiment, the 'pin 26 forms the engagement means 15. According to an alternative embodiment not shown in the figures, the groove 24 has a shape such that the reception of the mechanical locking means in the groove ensures the blocking of these means in the groove . In this alternative embodiment, the groove forms the engagement means 15.

La bague annulaire 8 est montée à rotation autour de l'axe central A-A' de la carrure 2. La bague annulaire 8 comprend des moyens de verrouillage mécanique 28 aptes, lorsque la bague 8 est dans une position de verrouillage, à coopérer avec les moyens de mise en prise complémentaires 15 pour permettre la solidarisation des moyens d'attache 6 à la carrure 2. Ainsi, la bague annulaire 8 est mobile en rotation autour de l'axe A-A', entre une position de verrouillage dans laquelle les moyens d'attache 6, et donc le bracelet, sont solidarisés à la carrure 2 ; et une position de déverrouillage dans laquelle les moyens d'attache 6, et donc le bracelet, sont désolidarisés de la carrure 2. Ces deux positions de verrouillage et de déverrouillage, qui seront détaillées par la suite, sont illustrées respectivement sur les figures 3a, 3b, 6b et 6c.The annular ring 8 is mounted for rotation about the central axis AA ′ of the middle part 2. The annular ring 8 comprises mechanical locking means 28 capable, when the ring 8 is in a locking position, of cooperating with the means complementary engagement 15 to allow the attachment means 6 to the middle part 2 to be secured. Thus, the annular ring 8 is movable in rotation around the axis AA ′, between a locking position in which the attachment means 6, and therefore the bracelet, are secured to the middle part 2; and an unlocking position in which the fastening means 6, and therefore the strap, are separated from the middle part 2. These two locking and unlocking positions, which will be detailed below, are illustrated respectively on the Figures 3a, 3b , 6b and 6c .

Selon un premier mode de réalisation, illustré aux figures 1 à 3b, la bague annulaire 8 présente une section constante et comprend au moins une échancrure 35 à sa périphérie, l'échancrure 35 étant agencée pour coopérer avec une lame ressort 37 disposées dans l'embout 18 et configurée pour permettre une déformation élastique. La lame ressort 37 comprend une extrémité libre qui est conformée pour se loger dans l'échancrure 35 lorsque ces deux pièces sont face à face et ainsi verrouiller l'embout 18. Selon l'exemple illustré, la bague annulaire 8 comprend deux échancrures 35, disposées à 180 degrés l'une de l'autre sur la bague.According to a first embodiment, illustrated in Figures 1 to 3b , the annular ring 8 has a constant section and comprises at least one notch 35 at its periphery, the notch 35 being arranged to cooperate with a leaf spring 37 arranged in the end piece 18 and configured to allow elastic deformation. The leaf spring 37 comprises a free end which is shaped to be housed in the notch 35 when these two parts are face to face and thus lock the end piece 18. According to the example illustrated, the annular ring 8 comprises two notches 35, arranged 180 degrees from each other on the ring.

Les moyens de verrouillage mécanique 28 comprennent au moins un organe élastique 34, apte à venir élastiquement en prise avec les moyens de mise en prise complémentaires 15 lorsque la bague annulaire 8 est dans la position de verrouillage. Dans l'exemple de réalisation illustré sur les figures 1 à 3b, les moyens de verrouillage mécanique 28 comprennent deux organes élastiques 34, disposés à 180 degrés l'un de l'autre sur l'embout 18. Selon cet exemple de réalisation, la bague 8 présente deux échancrures 35 agencées pour coopérer avec un organe élastique 34. Comme visible sur les figures 3a et 3b, grâce à la flexibilité conférée par la lame ressort 37 correspondante, chaque échancrure 35 est apte à coopérer avec les moyens de mise en prise complémentaires 15, plus précisément avec une portion coudée de la lame élastique 37, pour permettre le verrouillage mécanique de la bague annulaire 8 et la solidarisation des moyens d'attache 6 à la carrure 2. Pour ce faire et comme illustré sur la figure 3a, en position de verrouillage de la bague 8 chaque portion de la bague 8 portant une échancrure 35 fait saillie au-delà du pourtour extérieur de la carrure 2 et est reçue dans la rainure 24 d'un des embouts 18.The mechanical locking means 28 comprise at least one elastic member 34, capable of coming elastically into engagement with the complementary engagement means 15 when the annular ring 8 is in the locking position. In the embodiment illustrated on Figures 1 to 3b , the mechanical locking means 28 comprise two elastic members 34, arranged 180 degrees from one another on the end piece 18. According to this embodiment, the ring 8 has two notches 35 arranged to cooperate with an elastic member 34. As visible on the Figures 3a and 3b , thanks to the flexibility imparted by the corresponding spring blade 37, each notch 35 is able to cooperate with the complementary engagement means 15, more precisely with a bent portion of the elastic blade 37, to allow the mechanical locking of the ring annular 8 and the attachment means 6 to the middle 2. To do this and as illustrated in the figure 3a , in the locking position of the ring 8 each portion of the ring 8 carrying a notch 35 projects beyond the outer periphery of the middle part 2 and is received in the groove 24 of one of the end pieces 18.

Selon un deuxième mode de réalisation illustré aux figures 4 à 6c, la bague annulaire 8 comprend en outre au moins une portion amincie 30 configurée pour permettre une déformation élastique, selon un rayon, de la bague annulaire dans le plan selon lequel elle s'étend. Dans l'exemple de réalisation illustré sur les figures 4 à 6c, la bague annulaire 30 comprend deux portions amincies 30, disposées à 180 degrés l'une de l'autre sur la bague. Les portions amincies 30 sont agencées pour conférer à la bague annulaire 8 de la flexibilité dans le plan selon lequel elle s'étend. De préférence, la bague annulaire 8 comprend également, sur son pourtour extérieur, une portion d'actionnement 32. Une telle portion d'actionnement 32 s'étend à l'extérieur de la boîte de montre 1, sur un côté de la boîte, et est configurée pour permettre à un utilisateur de la montre-bracelet d'effectuer une poussée en rotation sur la bague 8, permettant de déplacer la bague 8 entre ses positions de verrouillage et de déverrouillage, et réciproquement. La bague annulaire 8 est par exemple en métal mais pourrait être réalisée en tout autre matériau, par exemple en matériau plastique.According to a second embodiment illustrated in figures 4 to 6c , the annular ring 8 also comprises at least one thinned portion 30 configured to allow elastic deformation, along a radius, of the annular ring in the plane along which it extends. In the embodiment illustrated on figures 4 to 6c , the annular ring 30 comprises two thinned portions 30, arranged at 180 degrees from one another on the ring. The thinned portions 30 are arranged to give the annular ring 8 flexibility in the plane along which it extends. Preferably, the annular ring 8 also includes, on its outer periphery, an actuating portion 32. Such an actuating portion 32 extends outside the watch case 1, on one side of the case, and is configured to allow a user of the wristwatch to perform a rotational thrust on the ring 8, making it possible to move the ring 8 between its locked and unlocked positions, and vice versa. The annular ring 8 is for example made of metal but could be made of any other material, for example plastic material.

Les moyens de verrouillage mécanique 28 comprennent au moins un organe élastique 34, apte à venir élastiquement en prise avec les moyens de mise en prise complémentaires 15 lorsque la bague annulaire 8 est dans la position de verrouillage. Dans l'exemple de réalisation illustré sur les figures 4 à 6c, les moyens de verrouillage mécanique 28 comprennent deux organes élastiques 34, disposés à 180 degrés l'un de l'autre sur la bague 8. Selon cet exemple de réalisation, chaque portion amincie 30 présente une échancrure 34, qui forme un des organes élastiques. Comme visible sur les figures 6b et 6c, grâce à la flexibilité conférée par la portion amincie 30 correspondante, chaque échancrure 34 est apte à coopérer avec les moyens de mise en prise complémentaires 15, plus précisément avec un des ergots 26, pour permettre le verrouillage mécanique de la bague annulaire 8 et la solidarisation des moyens d'attache 6 à la carrure 2. Pour ce faire et comme illustré sur la figure 6b, en position de verrouillage de la bague 8 chaque portion de la bague 8 portant une échancrure 34 fait saillie au-delà du pourtour extérieur de la carrure 2 et est reçue dans la rainure 24 d'un des embouts 18.The mechanical locking means 28 comprise at least one elastic member 34, capable of coming elastically into engagement with the complementary engagement means 15 when the annular ring 8 is in the locking position. In the embodiment illustrated on figures 4 to 6c , the mechanical locking means 28 comprise two elastic members 34, arranged 180 degrees from each other on the ring 8. According to this embodiment, each thinned portion 30 has a notch 34, which forms one of the elastic members . As seen on Figures 6b and 6c , thanks to the flexibility imparted by the corresponding thinned portion 30, each notch 34 is able to cooperate with the complementary engagement means 15, more precisely with one of the lugs 26, to allow the mechanical locking of the annular ring 8 and the fastening of the attachment means 6 to the middle part 2. To do this and as illustrated in the figure 6b in the locking position of the ring 8 each portion of the ring 8 carrying a notch 34 protrudes beyond the outer periphery of the middle part 2 and is received in the groove 24 of one of the end pieces 18.

De préférence, comme illustré sur les figures 6b et 6c, chaque portion amincie 30 est amincie radialement. Chaque échancrure 34 est par exemple agencée dans une partie médiane d'une des portions amincies 30.Preferably, as illustrated on the Figures 6b and 6c , each thinned portion 30 is thinned radially. Each notch 34 is for example arranged in a middle part of one of the thinned portions 30.

Dans une variante de réalisation non représentée sur les figures, chaque organe élastique 34 est un cliquet à bille. Un tel cliquet à bille est par exemple rapporté dans l'embout 18, et la bague annulaire 8 est munie d'un logement pour coopérer avec le cliquet à bille, un tel logement formant les moyens de mise en prise complémentaires 15.In an alternative embodiment not shown in the figures, each elastic member 34 is a ball pawl. Such a ball pawl is for example fitted in the end piece 18, and the annular ring 8 is provided with a housing for cooperating with the ball pawl, such a housing forming the complementary engagement means 15.

Le fonctionnement de la boîte de montre 1 selon le deuxième mode de réalisation de l'invention va maintenant être décrit en référence aux figures 6b et 6c.The operation of the watch case 1 according to the second embodiment of the invention will now be described with reference to Figures 6b and 6c .

Comme illustré sur la figure 6b, lorsque la bague annulaire 8 est dans sa position de verrouillage, les moyens de verrouillage 28 coopèrent avec les moyens de mise en prise complémentaires 15, permettant la solidarisation des moyens d'attache 6, et donc du bracelet, à la carrure 2. Plus précisément, dans l'exemple illustratif de la figure 4, chaque échancrure 34 prévue sur la bague annulaire 8 coopère élastiquement avec un ergot 26 prévu sur un des embouts 18. Lorsque l'utilisateur souhaite passer de la position de verrouillage à la position de déverrouillage, il tourne la bague annulaire 8 dans le sens de la flèche F1, par exemple en poussant ou en tirant sur la portion d'actionnement 32. Le système peut bien évidemment fonctionner dans le sens horaire et antihoraire pour le verrouillage et/ou le déverrouillage.As illustrated in the figure 6b , when the annular ring 8 is in its locking position, the locking means 28 cooperate with the complementary engagement means 15, allowing the attachment means 6, and therefore the strap, to be joined to the middle part 2. More specifically, in the illustrative example of the figure 4 , each notch 34 provided on the annular ring 8 cooperates elastically with a lug 26 provided on one of the end pieces 18. When the user wishes to pass from the locking position to the unlocking position, he turns the annular ring 8 in the direction of arrow F1, for example by pushing or pulling on the actuating portion 32. The system can obviously operate clockwise and counterclockwise for locking and / or unlocking.

Comme illustré sur la figure 6c, lorsque la bague annulaire 8 est dans sa position de déverrouillage, les moyens de mise en prise complémentaires 15 sont dégagés, permettant la libération des moyens d'attache 6 de la carrure 2, et donc la désolidarisation du bracelet de la carrure 2. Dans l'exemple illustratif de la figure 5, les deux embouts 18 sont libérés en même temps, du fait de la rotation de la bague annulaire 8 jusqu'à sa position de déverrouillage.As illustrated in the figure 6c , when the annular ring 8 is in its unlocked position, the complementary engagement means 15 are released, allowing the release of the attachment means 6 of the middle part 2, and therefore the disengagement of the bracelet from the middle part 2. In the illustrative example of the figure 5 , the two end pieces 18 are released at the same time, due to the rotation of the annular ring 8 to its unlocked position.

On conçoit ainsi que l'utilisateur peut facilement et rapidement solidariser ou désolidariser le bracelet de la carrure 2, et libérer les deux embouts 18 en même temps en une seule action sur la bague annulaire 8.It is thus understood that the user can easily and quickly secure or separate the bracelet from the middle part 2, and release the two end pieces 18 at the same time in a single action on the annular ring 8.

Le fonctionnement de la boîte de montre 1 selon le premier mode de réalisation de l'invention est bien évidemment similaire, il suffit que le porteur déplace la bague annulaire pour verrouiller ou déverrouiller l'embout.The operation of the watch case 1 according to the first embodiment of the invention is obviously similar, it suffices that the wearer moves the annular ring to lock or unlock the end piece.

Claims (17)

Boîte de montre (1) pour une montre-bracelet comprenant une carrure (2) ayant un axe central (A-A'), un fond de boîte (4), des moyens (6) d'attache d'un bracelet reliés de manière amovible à la carrure (2), et une bague annulaire (8) montée à rotation autour de l'axe central (A-A') de la carrure (2), la bague annulaire (8) étant munie de moyens de verrouillage mécanique (28) aptes, lorsque la bague annulaire (8) est dans une position de verrouillage, à coopérer avec des moyens de mise en prise complémentaires (15) prévus sur les moyens (6) d'attache d'un bracelet, pour permettre la solidarisation des moyens d'attache (6) à la carrure (2) ;
caractérisée en ce que la bague annulaire (8) est maintenue entre la carrure (2) et le fond de boîte (4) et en ce que les moyens de verrouillage mécanique (28) comprennent au moins un organe élastique (34), ledit organe (34) étant élastiquement en prise avec les moyens de mise en prise complémentaires (15) lorsque la bague annulaire (8) est dans la position de verrouillage.Watch case (1) for a wristwatch comprising a middle part (2) having a central axis (A-A '), a case back (4), means (6) for attaching a bracelet connected to removably to the middle part (2), and an annular ring (8) rotatably mounted around the central axis (A-A ') of the middle part (2), the annular ring (8) being provided with locking means mechanical (28) able, when the annular ring (8) is in a locked position, to cooperate with complementary engagement means (15) provided on the means (6) for attaching a bracelet, to allow the attachment of the attachment means (6) to the middle part (2);
characterized in that the annular ring (8) is held between the middle part (2) and the case back (4) and in that the mechanical locking means (28) comprise at least one elastic member (34), said member (34) being resiliently engaged with the complementary engagement means (15) when the annular ring (8) is in the locked position. Boîte de montre (1) selon la revendication 1, caractérisée en ce que la bague annulaire (8) présente une section constante et comprend au moins une échancrure (35) apte à coopérer avec les moyens de mise en prise complémentaires (15) prévus sur les moyens (6) d'attache d'un bracelet, les moyens de mise en prise complémentaires (15) formant ledit ou un desdits organe(s) élastique(s).Watch case (1) according to claim 1, characterized in that the annular ring (8) has a constant section and comprises at least one notch (35) capable of cooperating with the complementary engagement means (15) provided on the means (6) for attaching a bracelet, the complementary engagement means (15) forming said or one of said elastic member (s). Boîte de montre (1) selon la revendication 1 ou 2, caractérisée en ce que ledit ou un desdits organe(s) élastique(s) est une lame ressort (37) solidaire des moyens (6) d'attache du bracelet.Watch case (1) according to claim 1 or 2, characterized in that said or one of said elastic member (s) is a leaf spring (37) secured to the means (6) for attaching the bracelet. Boîte de montre (1) selon la revendication 1, caractérisée en ce que la bague annulaire (8) comprend au moins une portion amincie (30) configurée pour permettre une déformation élastique, selon un rayon, de la bague annulaire (8) dans un plan selon lequel elle s'étend, la ou chaque portion amincie (30) présentant au moins une échancrure (35) apte à coopérer avec les moyens de mise en prise complémentaires (15) prévus sur les moyens (6) d'attache d'un bracelet, ladite échancrure (35) formant ledit ou un desdits organe(s) élastique(s).Watch case (1) according to claim 1, characterized in that the annular ring (8) comprises at least one thinned portion (30) configured to allow elastic deformation, along a radius, of the annular ring (8) in a plane along which it extends, the or each thinned portion (30) having at least one notch (35) capable of cooperating with the complementary engagement means (15) provided on the means (6) for attaching a bracelet, said notch (35) forming said or one of said elastic member (s). Boîte de montre (1) selon la revendication 4, caractérisée en ce que ladite portion amincie (30) est amincie radialement.Watch case (1) according to claim 4, characterized in that said thinned portion (30) is thinned radially. Boîte de montre (1) selon la revendication 4 ou 5, caractérisée en ce que ladite échancrure (35) est agencée dans une partie médiane de la portion amincie (30).Watch case (1) according to claim 4 or 5, characterized in that said notch (35) is arranged in a middle part of the thinned portion (30). Boîte de montre (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la carrure (2) est munie de deux paires de cornes (12) opposées, les cornes (12) d'une même paire étant agencées en regard l'une de l'autre, et en ce que les moyens (6) d'attache d'un bracelet comprennent une paire de barrettes (16) et une paire d'embouts (18), chaque barrette (16) étant fixée entre les cornes (12) d'une desdites paires de cornes, chaque embout (18) étant apte à être solidarisé à une partie d'extrémité du bracelet, présentant une coupe transversale en forme de « U » et étant monté de manière amovible sur une des barrettes (16).Watch case (1) according to any one of the preceding claims, characterized in that the middle part (2) is provided with two pairs of opposite horns (12), the horns (12) of the same pair being arranged facing each other one from the other, and in that the means (6) for attaching a bracelet comprise a pair of bars (16) and a pair of end pieces (18), each bar (16) being fixed between the horns (12) of one of said pairs of horns, each end piece (18) being able to be secured to an end portion of the bracelet, having a cross-section in the shape of a "U" and being removably mounted on a bars (16). Boîte de montre (1) selon la revendication 7, caractérisée en ce que chaque embout (18) est muni d'une rainure (24) de réception des moyens de verrouillage mécanique (28) de la bague annulaire (8), ladite rainure (24) s'étendant sur une face externe (22) de l'embout (18) en contact avec la carrure (2).Watch case (1) according to claim 7, characterized in that each end piece (18) is provided with a groove (24) for receiving the mechanical locking means (28) of the annular ring (8), said groove ( 24) extending over an external face (22) of the endpiece (18) in contact with the middle part (2). Boîte de montre (1) selon la revendication 8, caractérisée en ce que la rainure (24) présente une forme telle que la réception des moyens de verrouillage mécanique (28) dans la rainure assure le blocage desdits moyens dans la rainure, la rainure formant lesdits moyens de mise en prise complémentaires (15).Watch case (1) according to claim 8, characterized in that the groove (24) has a shape such that the reception of the mechanical locking means (28) in the groove ensures the blocking of said means in the groove, the groove forming said complementary engagement means (15). Boîte de montre (1) selon la revendication 8 lorsqu'elle dépend de la revendication 4, caractérisée en ce que la rainure (24) comporte un ergot (26) faisant saillie depuis le fond de la rainure (24), ledit ergot (26) formant lesdits moyens de mise en prise complémentaires (15) et étant apte à coopérer avec ladite échancrure (34) pour permettre le verrouillage mécanique de la bague annulaire (8) et la solidarisation des moyens d'attache (6) à la carrure (2).Watch case (1) according to claim 8 when dependent on claim 4, characterized in that the groove (24) has a lug (26) projecting from the bottom of the groove (24), said lug (26 ) forming said complementary engagement means (15) and being suitable to cooperate with said notch (34) to allow mechanical locking of the annular ring (8) and the attachment of the attachment means (6) to the middle part (2). Boîte de montre (1) selon la revendication 1, caractérisée en ce que le ou chaque organe élastique (34) est un cliquet à bille.Watch case (1) according to claim 1, characterized in that the or each elastic member (34) is a ball pawl. Boîte de montre (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comprend au moins une butée d'arrêt de la bague annulaire (8).Watch case (1) according to any one of the preceding claims, characterized in that it comprises at least one stop for the annular ring (8). Boîte de montre (1) selon la revendication 12, caractérisée en ce que ladite au moins une butée d'arrêt (36) est agencée sur la bague annulaire (8) et est apte à coopérer avec une gorge ménagée dans la carrure (2).Watch case (1) according to claim 12, characterized in that said at least one stop (36) is arranged on the annular ring (8) and is able to cooperate with a groove formed in the middle part (2) . Boîte de montre (1) selon la revendication 12 ou 13, caractérisée en ce que ladite au moins une butée d'arrêt est une goupille (36).Watch case (1) according to claim 12 or 13, characterized in that said at least one stopper is a pin (36). Boîte de montre (1) selon l'une quelconque des revendications 12 à 14, caractérisée en ce que ladite au moins une butée d'arrêt est conformée de manière à empêcher la rotation de la bague annulaire (8) sur une plage angulaire prédéterminée.Watch case (1) according to any one of claims 12 to 14, characterized in that said at least one stop stop is shaped so as to prevent rotation of the annular ring (8) over a predetermined angular range. Montre-bracelet comprenant une boîte de montre (1) et un bracelet en deux parties attaché à la boîte de montre (1), caractérisée en ce que la boîte de montre (1) est conforme à l'une quelconque des revendications précédentes, chaque partie du bracelet étant solidarisée aux moyens (6) d'attache d'un bracelet de la boîte de montre (1).Wrist watch comprising a watch case (1) and a two-part strap attached to the watch case (1), characterized in that the watch case (1) conforms to any one of the preceding claims, each part of the bracelet being secured to the means (6) for attaching a bracelet to the watch case (1). Kit d'assemblage d'une montre-bracelet comprenant une montre-bracelet et un ou plusieurs bracelets de rechange, caractérisé en ce que la montre-bracelet est conforme à la revendication 16, le ou chaque bracelet de rechange étant en deux parties, chaque partie du ou de chaque bracelet de rechange étant apte à être solidarisée aux moyens (6) d'attache d'un bracelet de la boîte de montre (1).Kit for assembling a wristwatch comprising a wristwatch and one or more spare straps, characterized in that the wristwatch conforms to claim 16, the or each spare strap being in two parts, each part of or each spare strap being able to be secured to the means (6) for attaching a strap to the watch case (1).
EP18248099.6A 2018-12-27 2018-12-27 Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same Active EP3674815B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18248099.6A EP3674815B1 (en) 2018-12-27 2018-12-27 Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same
JP2019215207A JP6975217B2 (en) 2018-12-27 2019-11-28 A portable watch case with an annular ring and a wristwatch and watch assembly kit with it.
KR1020190163855A KR102313926B1 (en) 2018-12-27 2019-12-10 Watch case provided with an annular ring, and a wristwatch and a wristwatch assembly kit comprising the same
CN201911337510.7A CN111381482B (en) 2018-12-27 2019-12-23 Watch case provided with an annular ring, watch and watch assembly set comprising such a case
US16/727,010 US11853011B2 (en) 2018-12-27 2019-12-26 Watch case provided with an annular ring, and a wristwatch and a wristwatch assembly kit comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18248099.6A EP3674815B1 (en) 2018-12-27 2018-12-27 Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same

Publications (2)

Publication Number Publication Date
EP3674815A1 true EP3674815A1 (en) 2020-07-01
EP3674815B1 EP3674815B1 (en) 2021-09-29

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Application Number Title Priority Date Filing Date
EP18248099.6A Active EP3674815B1 (en) 2018-12-27 2018-12-27 Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same

Country Status (5)

Country Link
US (1) US11853011B2 (en)
EP (1) EP3674815B1 (en)
JP (1) JP6975217B2 (en)
KR (1) KR102313926B1 (en)
CN (1) CN111381482B (en)

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FR3040219A1 (en) * 2015-08-17 2017-02-24 Claude Chouet EASY BRACELET BRACELET WATCH
EP3070546B1 (en) 2015-03-17 2017-10-18 Fendi Adele S.r.l. A wristwatch with an interchangeable strap

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EP0461069A1 (en) * 1990-06-07 1991-12-11 BRATEC, BAUMGARTNER & BRANCALEONI Watch case
CH698652B1 (en) * 2004-11-09 2009-09-30 Hart Case Corp Mr Hartzband Pa bracelets fixation device for watches and jewelery.
WO2012139663A1 (en) * 2011-04-14 2012-10-18 Hartzband, Paul Timepiece comprising removable accessories, and method for mounting/removing said accessories
EP3070546B1 (en) 2015-03-17 2017-10-18 Fendi Adele S.r.l. A wristwatch with an interchangeable strap
FR3040219A1 (en) * 2015-08-17 2017-02-24 Claude Chouet EASY BRACELET BRACELET WATCH

Also Published As

Publication number Publication date
US20200209807A1 (en) 2020-07-02
US11853011B2 (en) 2023-12-26
JP2020106523A (en) 2020-07-09
CN111381482B (en) 2022-03-22
KR20200083227A (en) 2020-07-08
EP3674815B1 (en) 2021-09-29
CN111381482A (en) 2020-07-07
JP6975217B2 (en) 2021-12-01
KR102313926B1 (en) 2021-10-18

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