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EP3609362B1 - Bracelet link - Google Patents

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Publication number
EP3609362B1
EP3609362B1 EP18715049.5A EP18715049A EP3609362B1 EP 3609362 B1 EP3609362 B1 EP 3609362B1 EP 18715049 A EP18715049 A EP 18715049A EP 3609362 B1 EP3609362 B1 EP 3609362B1
Authority
EP
European Patent Office
Prior art keywords
barrette
link
locking member
channel
bar
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
EP18715049.5A
Other languages
German (de)
French (fr)
Other versions
EP3609362A1 (en
Inventor
Dominique Guyot
Steeve MENETRIER
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.)
Cartier International AG
Original Assignee
Cartier International AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cartier International AG filed Critical Cartier International AG
Publication of EP3609362A1 publication Critical patent/EP3609362A1/en
Application granted granted Critical
Publication of EP3609362B1 publication Critical patent/EP3609362B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • A44C5/10—Link constructions not extensible
    • A44C5/105—Link constructions not extensible with links made of one piece and linked together by one connecting element
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • A44C5/10—Link constructions not extensible
    • A44C5/107—Link constructions not extensible with links made of more than two elements including connecting elements

Definitions

  • the present invention relates to the field of watchmaking. It concerns, more particularly, a bracelet link whose main direction, corresponding to the direction of the length of the bracelet, defines a longitudinal axis.
  • the link comprises a body crossed by a channel arranged in a direction transverse to the longitudinal axis.
  • the channel is interrupted by a connecting portion provided in the body of the link, in which a suitable element can engage.
  • a bar is housed in the channel.
  • the bar is capable of moving in translation in the channel with reference to the body, between an assembly position in which the bar passes through the connecting portion and a free position in which it leaves the connecting portion free.
  • the links of link bracelets are most often assembled by transverse bars or pins, which ensure the connection and relative mobility of the links in relation to each other.
  • transverse bars or pins which ensure the connection and relative mobility of the links in relation to each other.
  • different solutions have been proposed to secure the bars to at least one of the links with which they cooperate.
  • These solutions also allow the bar to be extracted for link disassembly, replacement or length adjustment.
  • the bar must be removed or at best unscrewed, which requires suitable tools and a certain amount of dexterity. So, in general, a simple adjustment of the length of the bracelet must be done by a professional, to avoid the risk of damaging the bracelet through improper handling.
  • the publication JP 2007-82597 A describes and illustrates an example of a bar of the type mentioned above used in connection with a locking member housed in the link.
  • This locking member is arranged to act on the bar following the longitudinal direction of the bracelet and retain it in its housing.
  • the bar has an annular groove in its middle into which one end of the locking member can be inserted, under the effect of the action of an elastic member, to ensure the locking of the bar.
  • the locking member is also capable of being compressed to retract and release the bar. Extracting the bar requires the insertion of a tool into the housing of the link to exert pressure on the bar and force the locking member to retract, similar to the manipulation necessary in relation to bars conventional ones not retained by a locking member.
  • the document EP1977658 offers a reversible locking system, in which a locking member is pivotally mounted along an axis perpendicular to the axis of the bar.
  • the locking member is positioned so as to be able to take place in a groove formed on the surface of the bar.
  • the locking member comprises a non-cylindrical portion which, depending on its angular position, takes place in the groove or is released from it. Even if the idea is interesting, it is nevertheless necessary to use a screwdriver type tool to rotate the locking member and obtain locking/unlocking of the bar.
  • the aim of the present invention is to propose an improved solution, allowing easier use without tools.
  • the assembly of the bracelet links described in this document is of the conventional type, that is to say that it is carried out by means of bars requiring the use of a specific tool to allow their removal.
  • the link further comprises a spring interposed between the bar and the body, arranged to exert on the bar a force tending to push it in translation from the assembly position towards the free position.
  • the invention also relates to a bracelet comprising at least two links according to the invention, as well as a method for extending or shortening such a bracelet.
  • a bracelet link according to the invention, the different components of which are represented in exploded form.
  • This link can be connected to other compatible links, to compose a bracelet.
  • the main direction of the bracelet in which the link participates is defined as being the longitudinal axis.
  • the link comprises a body 10, of essentially parallelepiped shape, but without this being limiting.
  • the body 10 is crossed by a channel 20 arranged in a direction transverse to the longitudinal axis.
  • At least one, if necessary several depending on the construction of the bracelet, connecting portion 12 is provided in the body 10.
  • This connecting portion 12 allows the engagement of a second link by a corresponding male part that this second link comprises.
  • the body 10 of the link also includes a male part 14 intended to cooperate with a connecting portion 12 of another link, or with a watch case.
  • Channel 20 is interrupted or intersected, at least partially, by the connection portion 12.
  • the channel 20 comprises a first part 22, opening at its two ends, on one side into the connecting portion 12 and on the other side, outside the link.
  • This first part 22 of the channel 20 has a guide zone 220, located on the side of the outside of the link, of diameter d1, and a second zone 222, located on the side of the connecting portion 12, of diameter d2>d1. Between these two zones, the change in diameter forms a rim 224 whose role will appear later.
  • the channel 20 also includes a second part 24, opening out on the side of the connecting portion 12, but closed on the other side by a plug 26.
  • This second part 24 of the channel 20 also has a guide zone 240, located on the side of the connecting portion 12 of the link, of diameter d3, and a second zone 242, located on the outside of the link, of diameter d4>d3.
  • d3 can be substantially equal to d2. Between these two zones, the change in diameter forms a rim 244.
  • a spring 28 is housed in the second part 24 of the channel 20, held between the plug 26 and the rim 244 formed by the change in diameter between the diameter zones d4 and d3.
  • the link also includes a bar 30 housed in the channel 20.
  • the bar 30 is capable of moving in translation in the channel 20 with reference to the body 10, between an assembly position in which the bar 30 passes through the connecting portion 12 and a free position in which it leaves the connecting portion 12 free or can leave it free.
  • the bar 30 in the assembly position, can cooperate with a second link to connect them together.
  • a second link which would have been connected to the first link can be detached.
  • the bar 30 comprises parts of different diameters. Over most of its length, the bar 30 has a diameter D1, slightly smaller than the smallest diameter d1 of the channel 20, so that the guide zone 220 of the channel 20 of diameter d1 can guide the bar 30 in its translation .
  • the bar 30 At its end intended to be positioned, when the bar is in the locked position, in the second part 24 of the channel 20, the bar 30 comprises a portion 32 of diameter D2>D1.
  • D2 is slightly smaller than d3, so that the guide zone 240 of the channel 20 of diameter d3 can guide this portion 32 in its translation.
  • the bar 30 is only in direct contact with the channel 20 in the guide zones 220 and 240 in order to reduce the friction induced by the translation of the bar 30.
  • D2 is larger than d1 and smaller than d2 , so that the bar 30 can slide in the first part 22 of the channel 20, up to the stop of the end of the bar 30 of diameter D2, against the rim 224.
  • the bar 30 also includes an annular groove 34 formed on its cylindrical surface.
  • the groove has a diameter D3 ⁇ D1, and it is intended to cooperate with a locking member 40, described below.
  • the link according to the invention also comprises said locking member 40 arranged to move between a first position in which it locks the longitudinal position of the bar 30 to maintain it in its assembly position, and a second position in which the bar 30 is movable in translation.
  • the locking member In this first position, the locking member cooperates with the groove 34, particularly with its side walls, at least the side wall located on the side of the connecting portion, under the action of the spring 28.
  • the second position the The locking member no longer cooperates with the groove 34, allowing the passage of the bar.
  • the locking member 40 is movable in translation with reference to the body 10 of the link and passes from its first position to its second position by a movement in translation.
  • the locking member 40 is a pusher arranged in a cavity formed on the surface of said body 10, preferably on its face intended to be in contact with the wearer of the bracelet.
  • a separate pusher to be arranged in the link being linked, directly or indirectly, to the locking member 40 so as to be able to cooperate with the latter, in particular to be able to move it from its first position to its second position in response to pressure exerted by a user on the pusher.
  • the pressure is exerted directly on an actuation surface of the pusher, by a finger of the user or by any other suitable means.
  • the pressure exerted by the user on the pusher can have a direction substantially oriented along the direction of the translation presented by the locking member 40 when it moves between its first position and its second position.
  • the pusher is associated with a bolt 42, dimensioned to be able to be engaged in the groove 34 of the bar 30.
  • the bolt 42 and the pusher are made in a single piece, but it could be formed of pieces distinct assemblies.
  • the bolt 42 has an opening 420 allowing the passage of the bar 30 during translational movement along the axis of the bar 30, if the latter is substantially centered with reference to the opening 420.
  • the opening 420 has a circular portion whose diameter is greater than D1.
  • the pusher also includes a housing 44 making it possible to arrange an elastic member 46 exerting on the locking member 40 a force tending to maintain it in its first position, the bolt being located in the groove 34.
  • This elastic member 46 can take the shape of a spring inserted between the body 10 of the link and the pusher.
  • the pusher also includes a guide opening 48, in which a guide pin 100 is located, secured to the body 10 of the link.
  • the opening is oblong in shape to guide the translation of the pusher.
  • the cooperation between the guide opening 48 and the guide axis 100 guarantees that the pusher is correctly positioned, particularly when it is in its first position.
  • the pusher is then supported on the guide axis 100 and on the bar 30, and is thus perfectly positioned, flush with the link, and stable.
  • the pusher is flush with the link in the first position of the locking member, that is to say located substantially in alignment with an external surface of the link, provides a high quality impression of the link to the wearer of the bracelet .
  • the invention can be implemented satisfactorily as long as the pusher has an actuation surface located near the relevant external surface of the link, such that a user can exert pressure on it without having to need to use a tool for this purpose, although of course the use of a tool remains possible.
  • the bar 30 of diameter D2 cannot penetrate into the zone of the channel 20 of diameter d1. Consequently, the bar 30 is mounted on the side of the second part of the channel 20, the pusher already being mounted in its cavity. The bar 30 is arranged so that it takes position in the opening 420 of the bolt 42. Then, the spring 28 is placed in the second part 24 of the channel 20, before closing the latter by means of the plug 26, which is then embedded on the surface of the body 10 and made invisible on the surface of the link. The cap could be screwed on to obtain an easily removable solution.
  • the pusher Under the action of the elastic member 46, the pusher is pressed into its first position, in which the bolt 42 rests in the bottom of the groove 34 of the bar 30 of diameter D3.
  • the bar 30 is then housed in the body 10 and passes through the connecting portion 12, allowing assembly with another link.
  • the bar 30 is then in the assembly position, and its position is secured transversely.

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  • Buckles (AREA)
  • Adornments (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Description

Domaine techniqueTechnical area

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement un maillon de bracelet dont la direction principale, correspondant à la direction de la longueur du bracelet, définit un axe longitudinal. Le maillon comprend un corps traversé par un canal disposé selon une direction transversale à l'axe longitudinal. Le canal est interrompu par une portion de liaison ménagée dans le corps du maillon, dans laquelle peut s'engager un élément adapté. Pour l'assemblage du maillon avec l'élément adapté, une barrette est logée dans le canal. La barrette est apte à se déplacer en translation dans le canal en référence au corps, entre une position d'assemblage dans laquelle la barrette traverse la portion de liaison et une position libre dans laquelle elle laisse libre la portion de liaison.The present invention relates to the field of watchmaking. It concerns, more particularly, a bracelet link whose main direction, corresponding to the direction of the length of the bracelet, defines a longitudinal axis. The link comprises a body crossed by a channel arranged in a direction transverse to the longitudinal axis. The channel is interrupted by a connecting portion provided in the body of the link, in which a suitable element can engage. To assemble the link with the appropriate element, a bar is housed in the channel. The bar is capable of moving in translation in the channel with reference to the body, between an assembly position in which the bar passes through the connecting portion and a free position in which it leaves the connecting portion free.

Etat de la techniqueState of the art

Les maillons de bracelets à maillons sont le plus souvent assemblés par des barrettes transversales ou goupilles, qui assurent la liaison et la mobilité relative des maillons les uns par rapport aux autres. Pour éviter que les maillons se détachent de manière intempestive, différentes solutions ont été proposées pour solidariser les barrettes à au moins l'un des maillons avec lesquels elles coopèrent. Ces solutions permettent également d'extraire la barrette pour un démontage de maillon, pour un remplacement ou un réglage de la longueur. De manière courante, la barrette doit être déchassée ou au mieux dévissée, ce qui nécessite des outils adéquats et une certaine dextérité. Ainsi, en général, un simple réglage de la longueur du bracelet doit se faire chez un professionnel, pour éviter les risques d'endommager le bracelet par une mauvaise manipulation.The links of link bracelets are most often assembled by transverse bars or pins, which ensure the connection and relative mobility of the links in relation to each other. To prevent the links from coming loose unintentionally, different solutions have been proposed to secure the bars to at least one of the links with which they cooperate. These solutions also allow the bar to be extracted for link disassembly, replacement or length adjustment. Commonly, the bar must be removed or at best unscrewed, which requires suitable tools and a certain amount of dexterity. So, in general, a simple adjustment of the length of the bracelet must be done by a professional, to avoid the risk of damaging the bracelet through improper handling.

La publication JP 2007-82597 A décrit et illustre un exemple de barrette du type mentionné ci-dessus mis en oeuvre en relation avec un organe de verrouillage logé dans le maillon. Cet organe de verrouillage est agencé pour agir sur la barrette suivant la direction longitudinale du bracelet et la retenir dans son logement. A cet effet, la barrette présente une gorge annulaire en son milieu dans laquelle une extrémité de l'organe de verrouillage peut être insérée, sous l'effet de l'action d'un organe élastique, pour assurer le verrouillage de la barrette. L'organe de verrouillage est par ailleurs susceptible d'être comprimé pour s'escamoter et libérer la barrette. L'extraction de la barrette nécessite l'insertion d'un outil dans le logement du maillon pour exercer une pression sur la barrette et forcer l'organe de verrouillage à s'escamoter, de manière similaire à la manipulation nécessaire en relation avec des barrettes conventionnelles non retenues par un organe de verrouillage.The publication JP 2007-82597 A describes and illustrates an example of a bar of the type mentioned above used in connection with a locking member housed in the link. This locking member is arranged to act on the bar following the longitudinal direction of the bracelet and retain it in its housing. For this purpose, the bar has an annular groove in its middle into which one end of the locking member can be inserted, under the effect of the action of an elastic member, to ensure the locking of the bar. The locking member is also capable of being compressed to retract and release the bar. Extracting the bar requires the insertion of a tool into the housing of the link to exert pressure on the bar and force the locking member to retract, similar to the manipulation necessary in relation to bars conventional ones not retained by a locking member.

Il est toutefois souhaitable que l'utilisateur puisse lui-même effectuer une telle manipulation. Il n'est en effet pas toujours aisé de se déplacer chez un professionnel.However, it is desirable that the user can carry out such manipulation himself. It is not always easy to go to a professional.

Le document EP1977658 propose un système de verrouillage réversible, dans lequel un organe de verrouillage est monté pivotant selon un axe perpendiculaire à l'axe de la barrette. L'organe de verrouillage est positionné de manière à pouvoir prendre place dans une gorge ménagée à la surface de la barrette. L'organe de verrouillage comprend une portion non cylindrique qui, en fonction de sa position angulaire, prend place dans la gorge ou en est dégagé. Même si l'idée est intéressante, il est néanmoins nécessaire d'avoir recours à un outil de type tournevis pour faire pivoter l'organe de verrouillage et obtenir le verrouillage/déverrouillage de la barrette. On relèvera encore dans ce document, que pour sécuriser la rotation de l'organe de verrouillage, il est nécessaire d'exercer un appui axial sur la vis, combiné à la rotation de cette dernière. L'appui axial induit un changement de niveau de l'organe de verrouillage, qui rend possible la rotation. Ce n'est que la rotation de l'organe de verrouillage qui permet de verrouiller ou de libérer la barrette.The document EP1977658 offers a reversible locking system, in which a locking member is pivotally mounted along an axis perpendicular to the axis of the bar. The locking member is positioned so as to be able to take place in a groove formed on the surface of the bar. The locking member comprises a non-cylindrical portion which, depending on its angular position, takes place in the groove or is released from it. Even if the idea is interesting, it is nevertheless necessary to use a screwdriver type tool to rotate the locking member and obtain locking/unlocking of the bar. It will also be noted in this document that to secure the rotation of the locking member, it is necessary to exert axial support on the screw, combined with the rotation of the latter. The axial support induces a change in level of the locking member, which makes rotation possible. It is only the rotation of the locking member which allows the bar to be locked or released.

La présente invention a pour but de proposer une solution améliorée, permettant une utilisation plus aisée et sans outil.The aim of the present invention is to propose an improved solution, allowing easier use without tools.

Le brevet EP1188389B1 propose une construction de fermoir de bracelet de montre pouvant être fixé aux brins d'un bracelet sans outil particulier. A cet effet, ce document prévoit un maillon spécifique, destiné à être intégré à chaque extrémité du bracelet correspondant destinée à être assemblée au fermoir, répondant aux caractéristiques énoncées plus haut et comprenant:

  • un corps traversé par un canal disposé selon une direction transversale à l'axe longitudinal, le canal étant au moins partiellement interrompu par une portion de liaison ménagée dans le corps, dans laquelle peut s'engager une lame du fermoir,
  • une barrette logée dans le canal, la barrette étant apte à être déplacée en translation dans le canal en référence au corps, entre une position d'assemblage dans laquelle la barrette traverse la portion de liaison et une position libre dans laquelle elle laisse libre la portion de liaison,
  • un organe de verrouillage agencé dans le corps pour être mobile en translation entre une première position, dans laquelle il verrouille la position longitudinale de la barrette pour la maintenir dans sa position d'assemblage, et une deuxième position, dans laquelle la barrette est mobile en translation, l'organe de verrouillage étant un poussoir ou étant lié à un poussoir de telle manière qu'il soit susceptible d'être déplacé vers sa deuxième position en réponse à une pression exercée par un utilisateur directement sur le poussoir, et
  • un organe élastique exerçant sur l'organe de verrouillage une force tendant à le maintenir dans sa première position.
The patent EP1188389B1 offers a watch strap clasp construction that can be attached to the strands of a bracelet without special tools. In this Indeed, this document provides for a specific link, intended to be integrated into each end of the corresponding bracelet intended to be assembled with the clasp, meeting the characteristics stated above and comprising:
  • a body traversed by a channel arranged in a direction transverse to the longitudinal axis, the channel being at least partially interrupted by a connecting portion provided in the body, in which a blade of the clasp can engage,
  • a bar housed in the channel, the bar being able to be moved in translation in the channel with reference to the body, between an assembly position in which the bar passes through the connecting portion and a free position in which it leaves the portion free link,
  • a locking member arranged in the body to be movable in translation between a first position, in which it locks the longitudinal position of the bar to maintain it in its assembly position, and a second position, in which the bar is movable in translation, the locking member being a pusher or being linked to a pusher in such a way that it is capable of being moved towards its second position in response to pressure exerted by a user directly on the pusher, and
  • an elastic member exerting on the locking member a force tending to maintain it in its first position.

L'assemblage des maillons du bracelet décrit dans ce document est de type conventionnel, c'est-à-dire qu'il est réalisé au moyen de barrettes nécessitant l'utilisation d'un outil spécifique pour permettre leur retrait.The assembly of the bracelet links described in this document is of the conventional type, that is to say that it is carried out by means of bars requiring the use of a specific tool to allow their removal.

Divulgation de l'inventionDisclosure of the invention

De façon plus précise, l'invention concerne un maillon de bracelet susceptible de composer un bracelet, dont la direction principale définit un axe longitudinal. Le maillon comprend :

  • un corps traversé par un canal disposé selon une direction transversale à l'axe longitudinal, ledit canal étant au moins partiellement interrompu par une portion de liaison ménagée dans ledit corps, dans laquelle peut s'engager un deuxième maillon,
  • une barrette logée dans le canal, ladite barrette étant apte à être déplacée en translation dans le canal en référence au corps, entre une position d'assemblage dans laquelle la barrette traverse la portion de liaison et une position libre dans laquelle elle laisse libre la portion de liaison,
  • un organe de verrouillage agencé dans le corps pour être mobile en translation entre une première position, dans laquelle il verrouille la position longitudinale de la barrette pour la maintenir dans sa position d'assemblage, et une deuxième position, dans laquelle la barrette est mobile en translation, l'organe de verrouillage étant un poussoir ou étant lié à un poussoir de telle manière qu'il soit susceptible d'être déplacé vers sa deuxième position en réponse à une pression exercée par un utilisateur directement sur le poussoir, et
  • un organe élastique exerçant sur l'organe de verrouillage une force tendant à le maintenir dans sa première position.
More precisely, the invention relates to a bracelet link capable of composing a bracelet, the main direction of which defines a longitudinal axis. The link includes:
  • a body crossed by a channel arranged in a direction transverse to the longitudinal axis, said channel being at least partially interrupted by a connecting portion provided in said body, in which a second link can engage,
  • a bar housed in the channel, said bar being able to be moved in translation in the channel with reference to the body, between an assembly position in which the bar passes through the connecting portion and a free position in which it leaves the portion free link,
  • a locking member arranged in the body to be movable in translation between a first position, in which it locks the longitudinal position of the bar to maintain it in its assembly position, and a second position, in which the bar is movable in translation, the locking member being a pusher or being linked to a pusher in such a way that it is capable of being moved towards its second position in response to pressure exerted by a user directly on the pusher, and
  • an elastic member exerting on the locking member a force tending to maintain it in its first position.

Selon l'invention, le maillon comprend en outre un ressort intercalé entre la barrette et le corps, agencé pour exercer sur la barrette une force tendant à la pousser en translation depuis la position d'assemblage vers la position libre.According to the invention, the link further comprises a spring interposed between the bar and the body, arranged to exert on the bar a force tending to push it in translation from the assembly position towards the free position.

L'invention concerne également un bracelet comportant au moins deux maillons selon l'invention, ainsi qu'un procédé de rallonge ou de raccourcissement d'un tel bracelet.The invention also relates to a bracelet comprising at least two links according to the invention, as well as a method for extending or shortening such a bracelet.

Brève description des dessinsBrief description of the drawings

D'autres détails de l'invention apparaîtront plus clairement à la lecture de la description qui suit, faite en référence au dessin annexé dans lequel :

  • la figure 1 est une vue éclatée d'un maillon selon un mode de réalisation préféré de l'invention,
  • les figures 2a et 2b sont des vues en coupe longitudinale du maillon de la figure 1, respectivement en position libre et en position enfoncée, et
  • les figures 3a et 3b sont des vues en coupe transversale du maillon de la figure 1, respectivement en position libre et en position enfoncée.
Other details of the invention will appear more clearly on reading the description which follows, made with reference to the appended drawing in which:
  • there figure 1 is an exploded view of a link according to a preferred embodiment of the invention,
  • THE figures 2a and 2b are views in longitudinal section of the link of the figure 1 , respectively in the free position and in the depressed position, and
  • THE figures 3a and 3b are cross-sectional views of the link of the figure 1 , respectively in free position and in depressed position.

Mode de réalisation de l'inventionMode of carrying out the invention

On a représenté sur la figure 1, un maillon de bracelet selon l'invention, dont les différents composants sont représentés en éclaté. Ce maillon est susceptible d'être relié à d'autres maillons compatibles, pour composer un bracelet. Dans la suite de la demande, on définit comme étant l'axe longitudinal, la direction principale du bracelet auquel le maillon participe.We represented on the figure 1 , a bracelet link according to the invention, the different components of which are represented in exploded form. This link can be connected to other compatible links, to compose a bracelet. In the remainder of the application, the main direction of the bracelet in which the link participates is defined as being the longitudinal axis.

Le maillon comprend un corps 10, de forme essentiellement parallélépipédique, mais sans que cela soit limitatif. Le corps 10 est traversé par un canal 20 disposé selon une direction transversale à l'axe longitudinal. Au moins une, le cas échéant plusieurs selon la construction du bracelet, portion de liaison 12 est ménagée dans le corps 10. Cette portion de liaison 12 permet l'engagement d'un deuxième maillon par une partie mâle correspondante que ce deuxième maillon comporte. En l'espèce, le corps 10 du maillon comporte également une partie mâle 14 destinée à coopérer avec une portion de liaison 12 d'un autre maillon, ou avec un boîtier de montre. Le canal 20 est interrompu ou intersecté, au moins partiellement, par la portion de liaison 12.The link comprises a body 10, of essentially parallelepiped shape, but without this being limiting. The body 10 is crossed by a channel 20 arranged in a direction transverse to the longitudinal axis. At least one, if necessary several depending on the construction of the bracelet, connecting portion 12 is provided in the body 10. This connecting portion 12 allows the engagement of a second link by a corresponding male part that this second link comprises. In this case, the body 10 of the link also includes a male part 14 intended to cooperate with a connecting portion 12 of another link, or with a watch case. Channel 20 is interrupted or intersected, at least partially, by the connection portion 12.

Plus précisément, le canal 20 comprend une première partie 22, débouchant à ses deux extrémités, d'un côté dans la portion de liaison 12 et de l'autre côté, à l'extérieur du maillon. Cette première partie 22 du canal 20 présente une zone de guidage 220, située du côté de l'extérieur du maillon, de diamètre d1, et une deuxième zone 222, située du côté de la portion de liaison 12, de diamètre d2>d1. Entre ces deux zones, le changement de diamètre forme un rebord 224 dont le rôle apparaîtra plus loin.More precisely, the channel 20 comprises a first part 22, opening at its two ends, on one side into the connecting portion 12 and on the other side, outside the link. This first part 22 of the channel 20 has a guide zone 220, located on the side of the outside of the link, of diameter d1, and a second zone 222, located on the side of the connecting portion 12, of diameter d2>d1. Between these two zones, the change in diameter forms a rim 224 whose role will appear later.

Le canal 20 comprend également une deuxième partie 24, débouchant du côté de la portion de liaison 12, mais fermée de l'autre côté par un bouchon 26. Cette deuxième partie 24 du canal 20 présente également une zone de guidage 240, située du côté de la portion de liaison 12 du maillon, de diamètre d3, et une deuxième zone 242, située du côté de l'extérieur du maillon, de diamètre d4>d3. d3 peut être sensiblement égal à d2. Entre ces deux zones, le changement de diamètre forme un rebord 244.The channel 20 also includes a second part 24, opening out on the side of the connecting portion 12, but closed on the other side by a plug 26. This second part 24 of the channel 20 also has a guide zone 240, located on the side of the connecting portion 12 of the link, of diameter d3, and a second zone 242, located on the outside of the link, of diameter d4>d3. d3 can be substantially equal to d2. Between these two zones, the change in diameter forms a rim 244.

Un ressort 28 est logé dans la deuxième partie 24 du canal 20, maintenu entre le bouchon 26 et le rebord 244 formé par le changement de diamètre entre les zones de diamètre d4 et d3.A spring 28 is housed in the second part 24 of the channel 20, held between the plug 26 and the rim 244 formed by the change in diameter between the diameter zones d4 and d3.

Le maillon comporte encore une barrette 30 logée dans le canal 20. La barrette 30 est apte à se déplacer en translation dans le canal 20 en référence au corps 10, entre une position d'assemblage dans laquelle la barrette 30 traverse la portion de liaison 12 et une position libre dans laquelle elle laisse libre ou peut laisser libre la portion de liaison 12. Ainsi, en position d'assemblage, la barrette 30 peut coopérer avec un deuxième maillon pour les relier ensemble. A l'inverse, en position libre, un deuxième maillon qui aurait été connecté au premier maillon, peut être détaché.The link also includes a bar 30 housed in the channel 20. The bar 30 is capable of moving in translation in the channel 20 with reference to the body 10, between an assembly position in which the bar 30 passes through the connecting portion 12 and a free position in which it leaves the connecting portion 12 free or can leave it free. Thus, in the assembly position, the bar 30 can cooperate with a second link to connect them together. Conversely, in the free position, a second link which would have been connected to the first link can be detached.

Plus précisément, la barrette 30 comprend des parties de diamètres différents. Sur l'essentiel de sa longueur, la barrette 30 présente un diamètre D1, légèrement plus petit que le plus petit diamètre d1 du canal 20, pour que la zone de guidage 220 du canal 20 de diamètre d1 puisse guider la barrette 30 dans sa translation.More precisely, the bar 30 comprises parts of different diameters. Over most of its length, the bar 30 has a diameter D1, slightly smaller than the smallest diameter d1 of the channel 20, so that the guide zone 220 of the channel 20 of diameter d1 can guide the bar 30 in its translation .

A son extrémité destinée à être positionnée, quand la barrette est en position verrouillée, dans la deuxième partie 24 du canal 20, la barrette 30 comprend une portion 32 de diamètre D2>D1. D2 est légèrement plus petit que d3, pour que la zone de guidage 240 du canal 20 de diamètre d3 puisse guider cette portion 32 dans sa translation. On notera que la barrette 30 n'est en contact direct avec le canal 20 que dans les zones de guidage 220 et 240 afin de réduire les frottements induits par la translation de la barrette 30. D2 est plus grand que d1 et plus petit que d2, afin que la barrette 30 puisse coulisser dans la première partie 22 du canal 20, jusqu'à la butée de l'extrémité de la barrette 30 de diamètre D2, contre le rebord 224.At its end intended to be positioned, when the bar is in the locked position, in the second part 24 of the channel 20, the bar 30 comprises a portion 32 of diameter D2>D1. D2 is slightly smaller than d3, so that the guide zone 240 of the channel 20 of diameter d3 can guide this portion 32 in its translation. It will be noted that the bar 30 is only in direct contact with the channel 20 in the guide zones 220 and 240 in order to reduce the friction induced by the translation of the bar 30. D2 is larger than d1 and smaller than d2 , so that the bar 30 can slide in the first part 22 of the channel 20, up to the stop of the end of the bar 30 of diameter D2, against the rim 224.

La barrette 30 comprend encore une gorge 34, annulaire, ménagée sur sa surface cylindrique. La gorge présente un diamètre D3<D1 , et elle est destinée à coopérer avec un organe de verrouillage 40, décrit ci-après.The bar 30 also includes an annular groove 34 formed on its cylindrical surface. The groove has a diameter D3<D1, and it is intended to cooperate with a locking member 40, described below.

En effet, le maillon selon l'invention comprend encore ledit organe de verrouillage 40 agencé pour évoluer entre une première position dans laquelle il verrouille la position longitudinale de la barrette 30 pour la maintenir dans sa position d'assemblage, et une deuxième position dans laquelle la barrette 30 est mobile en translation. Dans cette première position, l'organe de verrouillage coopère avec la gorge 34, particulièrement avec ses parois latérales, au moins la paroi latérale située du côté de la portion de liaison, sous l'action du ressort 28. Dans la deuxième position, l'organe de verrouillage ne coopère plus avec la gorge 34, permettant le passage de la barrette.Indeed, the link according to the invention also comprises said locking member 40 arranged to move between a first position in which it locks the longitudinal position of the bar 30 to maintain it in its assembly position, and a second position in which the bar 30 is movable in translation. In this first position, the locking member cooperates with the groove 34, particularly with its side walls, at least the side wall located on the side of the connecting portion, under the action of the spring 28. In the second position, the The locking member no longer cooperates with the groove 34, allowing the passage of the bar.

Selon l'invention, l'organe de verrouillage 40 est mobile en translation en référence au corps 10 du maillon et passe de sa première position à sa deuxième position par un déplacement en translation.According to the invention, the locking member 40 is movable in translation with reference to the body 10 of the link and passes from its first position to its second position by a movement in translation.

Plus particulièrement, l'organe de verrouillage 40 est un poussoir agencé dans une cavité ménagée à la surface dudit corps 10, de préférence sur sa face destinée à être au contact du porteur du bracelet.More particularly, the locking member 40 is a pusher arranged in a cavity formed on the surface of said body 10, preferably on its face intended to be in contact with the wearer of the bracelet.

Il est bien entendu possible de prévoir, en alternative, qu'un poussoir distinct soit agencé dans le maillon en étant lié, directement ou indirectement, à l'organe de verrouillage 40 de manière à pouvoir coopérer avec ce dernier, notamment pour pouvoir le déplacer de sa première position vers sa deuxième position en réponse à une pression exercée par un utilisateur sur le poussoir. Avantageusement, la pression est exercée directement sur une surface d'actionnement du poussoir, par un doigt de l'utilisateur ou par tout autre moyen adapté.It is of course possible to provide, as an alternative, for a separate pusher to be arranged in the link being linked, directly or indirectly, to the locking member 40 so as to be able to cooperate with the latter, in particular to be able to move it from its first position to its second position in response to pressure exerted by a user on the pusher. Advantageously, the pressure is exerted directly on an actuation surface of the pusher, by a finger of the user or by any other suitable means.

Dans tous les cas, il est avantageux de prévoir que la pression exercée par l'utilisateur sur le poussoir puisse présenter une direction sensiblement orientée suivant la direction de la translation que présente l'organe de verrouillage 40 lorsqu'il se déplace entre sa première position et sa deuxième position.In all cases, it is advantageous to provide that the pressure exerted by the user on the pusher can have a direction substantially oriented along the direction of the translation presented by the locking member 40 when it moves between its first position and its second position.

Le poussoir est associé à un pêne 42, dimensionné pour pouvoir être engagé dans la gorge 34 de la barrette 30. Dans le mode de réalisation préféré, le pêne 42 et le poussoir sont réalisés en une seule pièce, mais il pourrait être formés de pièces distinctes assemblées. Le pêne 42 comporte une ouverture 420 permettant le passage de la barrette 30 lors d'un déplacement en translation selon l'axe de la barrette 30, si cette dernière est sensiblement centrée en référence à l'ouverture 420. Selon un mode de réalisation préféré, l'ouverture 420 présente une portion circulaire dont le diamètre est plus grand que D1.The pusher is associated with a bolt 42, dimensioned to be able to be engaged in the groove 34 of the bar 30. In the preferred embodiment, the bolt 42 and the pusher are made in a single piece, but it could be formed of pieces distinct assemblies. The bolt 42 has an opening 420 allowing the passage of the bar 30 during translational movement along the axis of the bar 30, if the latter is substantially centered with reference to the opening 420. According to a preferred embodiment, the opening 420 has a circular portion whose diameter is greater than D1.

Le poussoir comporte encore un logement 44 permettant d'agencer un organe élastique 46 exerçant sur l'organe de verrouillage 40 une force tendant à le maintenir dans sa première position, le pêne étant situé dans la gorge 34. Cet organe élastique 46 peut prendre la forme d'un ressort intercalé entre le corps 10 du maillon et le poussoir.The pusher also includes a housing 44 making it possible to arrange an elastic member 46 exerting on the locking member 40 a force tending to maintain it in its first position, the bolt being located in the groove 34. This elastic member 46 can take the shape of a spring inserted between the body 10 of the link and the pusher.

Le poussoir comporte encore une ouverture de guidage 48, dans laquelle prend place un axe de guidage 100, solidaire du corps 10 du maillon. L'ouverture est de forme oblongue pour guider la translation du poussoir. La coopération entre l'ouverture de guidage 48 et l'axe de guidage 100 garantit que le poussoir est correctement positionné, particulièrement lorsqu'il est dans sa première position. Le poussoir est alors en appui sur l'axe de guidage 100 et sur la barrette 30, et est ainsi parfaitement positionné, affleurant le maillon, et stable.The pusher also includes a guide opening 48, in which a guide pin 100 is located, secured to the body 10 of the link. The opening is oblong in shape to guide the translation of the pusher. The cooperation between the guide opening 48 and the guide axis 100 guarantees that the pusher is correctly positioned, particularly when it is in its first position. The pusher is then supported on the guide axis 100 and on the bar 30, and is thus perfectly positioned, flush with the link, and stable.

Le fait que le poussoir soit affleurant au maillon dans la première position de l'organe de verrouillage, c'est-à-dire situé sensiblement en alignement avec une surface externe du maillon, procure une impression de grande qualité du maillon au porteur du bracelet. Toutefois, l'invention peut être mise en oeuvre de manière satisfaisante dès lors que le poussoir présente une surface d'actionnement située à proximité de la surface externe concernée du maillon, de telle manière qu'un utilisateur puisse exercer une pression sur elle sans avoir besoin d'utiliser un outil à cet effet, même si bien entendu l'utilisation d'un outil reste possible.The fact that the pusher is flush with the link in the first position of the locking member, that is to say located substantially in alignment with an external surface of the link, provides a high quality impression of the link to the wearer of the bracelet . However, the invention can be implemented satisfactorily as long as the pusher has an actuation surface located near the relevant external surface of the link, such that a user can exert pressure on it without having to need to use a tool for this purpose, although of course the use of a tool remains possible.

Ainsi, on comprend que la partie de la barrette 30 de diamètre D2 ne peut pénétrer dans la zone du canal 20 de diamètre d1. Par conséquent, la barrette 30 est montée du côté de la deuxième partie du canal 20, le poussoir étant déjà monté dans sa cavité. La barrette 30 est agencée de manière à ce qu'elle prenne position dans l'ouverture 420 du pêne 42. Puis, le ressort 28 est disposé dans la deuxième partie 24 du canal 20, avant de fermer celui-ci au moyen du bouchon 26, qui est ensuite noyé à la surface du corps 10 et rendu invisible à la surface du maillon. Le bouchon pourrait être vissé pour obtenir une solution aisément démontable.Thus, we understand that the part of the bar 30 of diameter D2 cannot penetrate into the zone of the channel 20 of diameter d1. Consequently, the bar 30 is mounted on the side of the second part of the channel 20, the pusher already being mounted in its cavity. The bar 30 is arranged so that it takes position in the opening 420 of the bolt 42. Then, the spring 28 is placed in the second part 24 of the channel 20, before closing the latter by means of the plug 26, which is then embedded on the surface of the body 10 and made invisible on the surface of the link. The cap could be screwed on to obtain an easily removable solution.

Sous l'action de l'organe élastique 46, le poussoir est pressé dans sa première position, dans laquelle le pêne 42 prend appui dans le fond de la gorge 34 de la barrette 30 de diamètre D3. La barrette 30 est alors logée dans le corps 10 et traverse la portion de liaison 12, permettant un assemblage avec un autre maillon. La barrette 30 se trouve alors en position d'assemblage, et sa position est sécurisée transversalement.Under the action of the elastic member 46, the pusher is pressed into its first position, in which the bolt 42 rests in the bottom of the groove 34 of the bar 30 of diameter D3. The bar 30 is then housed in the body 10 and passes through the connecting portion 12, allowing assembly with another link. The bar 30 is then in the assembly position, and its position is secured transversely.

En appuyant sur le poussoir alors que la barrette 30 est en position d'assemblage, dès que l'ouverture du pêne 42 se trouve dans l'alignement de la barrette 30, celle-ci est éjectée automatiquement du canal 20, sous l'action du ressort 28. Le déplacement en translation de la barrette 30 est limité par la mise en butée de l'extrémité de la deuxième zone 32 de la barrette 30 de diamètre D2, contre le rebord 224. La barrette 30 ne peut être détachée complètement, ce qui évite de la perdre. Elle reste suffisamment guidée pour limiter les efforts et les déformations. La barrette 30 est ainsi en position libre, permettant de dégager un maillon de la portion de liaison 12 ou d'en insérer un.By pressing the pusher while the bar 30 is in the assembly position, as soon as the opening of the bolt 42 is in alignment with the bar 30, the latter is automatically ejected from the channel 20, under the action of the spring 28. The translational movement of the bar 30 is limited by the abutment of the end of the second zone 32 of the bar 30 of diameter D2, against the rim 224. The bar 30 cannot be completely detached, which avoids losing it. It remains sufficiently guided to limit efforts and deformations. The bar 30 is thus in the free position, making it possible to release a link from the connecting portion 12 or to insert one.

Il suffit de repousser la barrette 30 dans le canal 20 pour la ramener en position d'assemblage. Dès que la gorge 34 revient au niveau du pêne 42, l'organe élastique 46 ramène automatiquement l'organe de verrouillage 40 à sa première position. Il n'y a pas lieu de manipuler l'organe de verrouillage 40 pour verrouiller à nouveau la position de la barrette 30.Simply push the bar 30 back into the channel 20 to bring it back into the assembly position. As soon as the groove 34 returns to the level of the bolt 42, the elastic member 46 automatically returns the locking member 40 to its first position. There is no need to manipulate the locking member 40 to re-lock the position of the bar 30.

En disposant côte à côte plusieurs maillons équipés d'un tel système, il est très facile à un utilisateur de pouvoir ajouter/retirer un maillon et ainsi ajuster la longueur de son bracelet. L'ajout et le retrait de maillons se font sans aucun outil, de manière très fiable et sécurisée.By placing several links equipped with such a system side by side, it is very easy for a user to be able to add/remove a link and thus adjust the length of their bracelet. Adding and removing links is done without any tools, very reliably and securely.

La description ci-dessus a été proposée à titre d'exemple non limitatif et l'homme du métier pourra s'en inspirer pour l'adapter à divers types de constructions de bracelets à maillons, avec une ou plusieurs rangées de maillons, le cas échéant, en combinant plusieurs organes de verrouillage.The above description has been offered as a non-limiting example and those skilled in the art will be able to draw inspiration from it to adapt it to various types of link bracelet constructions, with one or more rows of links, where appropriate, by combining several locking members.

Claims (11)

  1. Bracelet link capable of composing a bracelet, the main direction of which defines a longitudinal axis, said link comprising :
    - a body (10) traversed by a channel (20) arranged in a direction transverse to the longitudinal axis, said channel (20) being interrupted by a connecting portion (12) provided in said body (10) and in which a second link can engage,
    - a barrette (30) housed in the channel (20), said barrette (30) being able to be displaced in translation in the channel (20) with reference to the body (10), between an assembly position in which the barrette (30) passes through the connecting portion (12) and a free position in which it leaves the connecting portion (12) free,
    - a locking member (40) arranged in said body (10) to be translationally movable between a first position, in which it locks the longitudinal position of the barrette (30) to hold it in its assembly position, and a second position, in which the barrette (30) is translationally movable, the locking member (40) being a button or being linked to a button in such a way that it is capable of being moved to its second position in response to pressure exerted by a user directly on the button, and
    - an elastic member (46) exerting on said locking member (40) a force tending to maintain it in its first position,
    and being characterized in that it comprises a spring (28) interposed between the barrette (30) and the body (10), arranged to exert on the barrette (30) a force tending to push it in translation from the assembly position to the free position.
  2. Link according to claim 1, characterized in that the button is located close to an external surface of the body in such a way that the user can operate it without tools.
  3. Link according to claim 2, characterized in that the button has an actuation surface arranged substantially in alignment with said external surface of the body (10) in the first position of the locking member (40).
  4. Link according to one of the preceding claims, characterized in that the locking member (40) and the button are made in a single piece.
  5. Link according to one of the preceding claims, characterized in that the locking member (40) is translationally movable in a transverse direction with reference to both the longitudinal axis and the channel (20).
  6. Link according to one of the preceding claims, characterized in that the locking member (40) comprises a bolt (42) capable of being engaged in a groove (34) formed in the cylindrical surface of the barrette (30).
  7. Link according to one of the preceding claims, characterized in that the barrette (30) comprises a portion of diameter D1 and a portion of diameter D2>D1, and in that the channel (20) comprises a region of diameter d1 and a region of diameter d2>d1, the change in diameter between the regions of respective diameter d1 and d2 forming a rim (224), and in that d1<D2<d2 so that said rim (224) forms a stop for the barrette.
  8. Link according to one of the preceding claims, characterized in that the channel comprises guide zones (220, 240), dimensioned so as to guide the barrette in translation and second zones (222, 242) dimensioned so as to let the barrette in translation take place without friction with said second zones.
  9. Bracelet comprising at least two links according to one of the preceding claims.
  10. Method of lengthening or shortening a link bracelet according to one of claims 1 to 8, comprising a link whose barrette (30) is in the assembly position, said method comprising a step of translational actuation of the locking member (40), said translational actuation resulting in at least partial automatic ejection of the barrette (30).
  11. Method for lengthening or shortening a link bracelet according to one of claims 1 to 8, comprising a link whose barrette (30) is in a free position, said method comprising a step during which the barrette (30) is pushed back into the channel (20), the locking member (40) being automatically returned to its first position when the barrette (30) reaches its assembly position.
EP18715049.5A 2017-04-11 2018-04-11 Bracelet link Active EP3609362B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00487/17A CH713709A1 (en) 2017-04-11 2017-04-11 Bracelet link.
PCT/EP2018/059234 WO2018189219A1 (en) 2017-04-11 2018-04-11 Bracelet link

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EP3609362A1 EP3609362A1 (en) 2020-02-19
EP3609362B1 true EP3609362B1 (en) 2024-04-03

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JP (1) JP7100661B2 (en)
CN (1) CN110494060A (en)
CH (1) CH713709A1 (en)
WO (1) WO2018189219A1 (en)

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EP3711622A1 (en) 2019-03-18 2020-09-23 Montres Breguet S.A. Bracelet with links
WO2021194392A1 (en) * 2020-03-27 2021-09-30 Игорь Александрович ШЕЛУДЯКОВ Chain lock link
EP4190201A1 (en) * 2021-12-06 2023-06-07 Casio Computer Co., Ltd. Connection structure and wearable device
EP4190200B1 (en) * 2021-12-06 2025-01-01 Casio Computer Co., Ltd. Connecting structure and wearable device
JP7414054B2 (en) * 2021-12-06 2024-01-16 カシオ計算機株式会社 Connection structure and wearable equipment
JP7439857B2 (en) * 2021-12-06 2024-02-28 カシオ計算機株式会社 Connection structure and wearable equipment
EP4205594B1 (en) * 2021-12-28 2024-11-06 Glashütter Uhrenbetrieb GmbH Quick-release system for a watch bracelet

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WO2018189219A1 (en) 2018-10-18
US11896092B2 (en) 2024-02-13
CH713709A1 (en) 2018-10-15
EP3609362A1 (en) 2020-02-19
JP7100661B2 (en) 2022-07-13
CN110494060A (en) 2019-11-22
US20200093229A1 (en) 2020-03-26
JP2020512891A (en) 2020-04-30

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