EP2361523B1 - Clasp for bracelet - Google Patents

Clasp for bracelet Download PDF

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Publication number
EP2361523B1
EP2361523B1 EP20100001815 EP10001815A EP2361523B1 EP 2361523 B1 EP2361523 B1 EP 2361523B1 EP 20100001815 EP20100001815 EP 20100001815 EP 10001815 A EP10001815 A EP 10001815A EP 2361523 B1 EP2361523 B1 EP 2361523B1
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EP
European Patent Office
Prior art keywords
bracelet
cover
clasp
rack
mobile element
Prior art date
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EP20100001815
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German (de)
French (fr)
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EP2361523A1 (en
Inventor
Dave Von Kaenel
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.)
WINOX SA
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WINOX SA
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Publication date
Application filed by WINOX SA filed Critical WINOX SA
Priority to EP20100001815 priority Critical patent/EP2361523B1/en
Publication of EP2361523A1 publication Critical patent/EP2361523A1/en
Application granted granted Critical
Publication of EP2361523B1 publication Critical patent/EP2361523B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/22—Fasteners for straps, chains or the like for closed straps
    • A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
    • A44C5/246—Fasteners for straps, chains or the like for closed straps with folding devices having size adjusting means

Definitions

  • bracelet clasps There are different types of bracelet clasps.
  • the document US 7289310 shows an example of a bracelet with an adjustable clasp.
  • the deploying clasps are particularly used for watchbands.
  • To adjust the length of a bracelet provided with such a clasp it is generally necessary to disassemble the bracelet or to add or remove links. These operations require dexterity and adequate tools.
  • Once the length of the bracelet adjusted to the wrist of the user it will not vary, especially if the bracelet is metallic. However, this is not the case of the wrist of the user whose size may vary with changes in temperature, for example. Often, these variations of the wrist are very thin, too thin to justify the addition or removal of a bracelet link, operations that would then make the bracelet really too wide or really too tight.
  • the clasp for bracelet 1 unfolder illustrated at the figure 1 and comprising the device for adjusting the length of the bracelet according to the invention comprises a lid 2 formed of a substantially rectangular plate 3 and two lateral walls 4 parallel to the longitudinal axis of the bracelet and extending on two opposite sides of said tray 3.
  • Retaining means 16 are housed in the locking box 13 and hold the locking pin 12 in said box and thus the clasp in its closed position.
  • Two push buttons 17 are placed in through openings 18 of the side walls 4 of the cover 2 and are accessible by a user regardless of the position of the clasp. On pressing these push buttons 17 against the action of an elastic force, exerted for example by springs 19, the retaining means 16 release the locking pin 12, which thus allows the user to open the door. clasp and unfold the first and second branches 5, 8.
  • a conventional clasp 1 has been described by way of example.
  • First pins 26 are driven to the closed end of the movable member 20 and are intended to slide in a closed rack 27 that comprise the side walls 4 of the cover 2.
  • the movable member 20 further comprises second pins 28 which they slide in a rail 29 of the side walls 4 of the cover 2.
  • the rail 29 is open at one of its ends.

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  • Buckles (AREA)

Description

La présente invention se rapporte à un fermoir pour bracelet.The present invention relates to a clasp for a bracelet.

Il existe différents types de fermoir pour bracelet. Le document US 7289310 montre un example d'un bracelet avec un fermoir réglable. Les fermoirs déployant sont notamment très utilisés pour les bracelets de montre. Pour régler la longueur d'un bracelet muni d'un tel fermoir, il faut en général démonter le bracelet ou encore lui ajouter ou lui retirer des maillons. Ces opérations demandent dextérité et outils adéquats. Une fois la longueur du bracelet ajustée au poignet de l'utilisateur, celle-ci ne va plus varier, en particulier si le bracelet est métallique. Cependant, ce n'est pas le cas du poignet de l'utilisateur dont la taille peut varier avec les changements de température par exemple. Souvent, ces variations du poignet sont très fines, trop fines pour justifier l'ajout ou le retrait d'un maillon du bracelet, opérations qui rendraient alors le bracelet vraiment trop large ou vraiment trop serré.There are different types of bracelet clasps. The document US 7289310 shows an example of a bracelet with an adjustable clasp. The deploying clasps are particularly used for watchbands. To adjust the length of a bracelet provided with such a clasp, it is generally necessary to disassemble the bracelet or to add or remove links. These operations require dexterity and adequate tools. Once the length of the bracelet adjusted to the wrist of the user, it will not vary, especially if the bracelet is metallic. However, this is not the case of the wrist of the user whose size may vary with changes in temperature, for example. Often, these variations of the wrist are very thin, too thin to justify the addition or removal of a bracelet link, operations that would then make the bracelet really too wide or really too tight.

Le but de la présente invention est de réaliser un dispositif de réglage de la longueur d'un bracelet et un fermoir pour bracelet comprenant un tel dispositif permettant un réglage aisé et précis de la longueur du bracelet, sans qu'il soit nécessaire de recourir à des outils ni de démonter le bracelet, et nuisant le moins possible à l'aspect esthétique du bracelet.The object of the present invention is to provide a device for adjusting the length of a bracelet and a bracelet clasp comprising such a device for easy and accurate adjustment of the length of the bracelet, without the need to resort to tools or disassemble the bracelet, and affecting the appearance of the bracelet as little as possible.

La présente invention a pour objet un dispositif de réglage de la longueur d'un bracelet selon la revendication 1.The present invention relates to a device for adjusting the length of a bracelet according to claim 1.

La présente invention a également pour objet un fermoir pour bracelet comprenant un dispositif de réglage de la longueur du bracelet selon l'invention.The present invention also relates to a clasp for a bracelet comprising a device for adjusting the length of the bracelet according to the invention.

D'autres caractéristiques de la présente invention sont décrites dans les revendications dépendantesOther features of the present invention are described in the dependent claims

Les dessins annexés illustrent schématiquement et à titre d'exemple une forme d'exécution du dispositif de réglage de la longueur et du fermoir pour bracelet selon l'invention.

  • La figure 1 est une vue éclatée d'un fermoir pour bracelet comprenant un dispositif de réglage selon l'invention.
  • La figure 2a est une vue de dessous du couvercle du dispositif illustré à la figure 1.
  • La figure 2b est une vue en coupe du couvercle illustré à la figure 2a.
  • La figure 3 est une vue de dessus de l'élément mobile composant le dispositif de réglage selon l'invention.
  • La figure 4 est une vue du fermoir illustré à la figure 1 en position fermée.
The accompanying drawings illustrate schematically and by way of example an embodiment of the device for adjusting the length and the clasp for a bracelet according to the invention.
  • The figure 1 is an exploded view of a bracelet clasp comprising an adjusting device according to the invention.
  • The figure 2a is a bottom view of the lid of the device shown in FIG. figure 1 .
  • The figure 2b is a sectional view of the lid shown at figure 2a .
  • The figure 3 is a top view of the movable element constituting the adjusting device according to the invention.
  • The figure 4 is a view of the clasp shown in the figure 1 in closed position.

Le fermoir pour bracelet 1 déployant illustré à la figure 1 et comprenant le dispositif de réglage de la longueur du bracelet selon l'invention comporte un couvercle 2 formé d'un plateau 3 essentiellement rectangulaire et de deux parois latérales 4 parallèles à l'axe longitudinal du bracelet et s'étendant de deux côtés opposés dudit plateau 3.The clasp for bracelet 1 unfolder illustrated at the figure 1 and comprising the device for adjusting the length of the bracelet according to the invention comprises a lid 2 formed of a substantially rectangular plate 3 and two lateral walls 4 parallel to the longitudinal axis of the bracelet and extending on two opposite sides of said tray 3.

Une première branche 5 est fixée au couvercle 2 au moyen d'une première barrette télescopique 6 dont les extrémités rétractables 6a s'insèrent dans des premiers trous borgnes 7 prévus à cet effet sur la face intérieure des parois latérales 4 du couvercle 2, à une première extrémité 2a de celui-ci.A first branch 5 is fixed to the cover 2 by means of a first telescopic bar 6 whose retractable ends 6a fit into first blind holes 7 provided for this purpose on the inner face of the side walls 4 of the cover 2, at a first end 2a thereof.

Une seconde branche 8 est reliée de façon mobile à une des ses extrémités à la première branche 5 par une première tige de fixation 9. Le dernier maillon 10a d'un brin de bracelet est lui-même fixé à l'autre extrémité de cette seconde branche 8 au moyen d'une seconde tige de fixation 11.A second branch 8 is movably connected at one of its ends to the first branch 5 by a first attachment rod 9. The last link 10a of a bracelet strand is itself fixed at the other end of this second branch 8 by means of a second fixing rod 11.

Les première et seconde branches 5, 8 sont conformées de telle sorte qu'une fois repliées l'une sur l'autre, elles soient essentiellement dans le même plan et que l'épaisseur des branches ainsi repliées soit essentiellement celle de la première branche 5. De plus, une fois repliées, lesdites première et seconde branches 5, 8 s'insèrent parfaitement sous le couvercle 2.The first and second branches 5, 8 are shaped so that when folded one on the other, they are essentially in the same plane and the thickness of the branches thus folded is essentially that of the first branch 5 In addition, once folded, said first and second branches 5, 8 fit perfectly under the cover 2.

La seconde branche 8 comprend un ergot de verrouillage 12 à son extrémité fixée au dernier maillon 10a du bracelet. Ledit ergot de verrouillage 12 est destiné à s'engager et à être retenu dans une boîte de verrouillage 13 placée sous le couvercle 2 et fixée au moyen de deuxième et troisième barrettes télescopiques 14a, 14b s'insérant dans des deuxième et troisième trous borgnes 15a, 15b prévus à cet effet sur la face intérieure des parois latérales 4 du couvercle 2. Une fois les première et seconde branches 5, 8 repliées sur elles-mêmes sous le couvercle 2, l'ergot de verrouillage 12 coopère donc avec la boîte de verrouillage 13 pour maintenir le fermoir 1 dans sa position fermée, illustrée à la figure 4.The second branch 8 comprises a locking pin 12 at its end fixed to the last link 10a of the bracelet. Said locking pin 12 is intended to engage and to be retained in a locking box 13 placed under the cover 2 and fixed by means of second and third telescopic bars 14a, 14b inserted into second and third blind holes 15a , 15b provided for this purpose on the inner face of the side walls 4 of the cover 2. Once the first and second branches 5, 8 folded on themselves under the cover 2, the locking pin 12 thus cooperates with the box latch 13 to hold the clasp 1 in its closed position, illustrated in FIG. figure 4 .

Des moyens de retenue 16 sont logés dans la boîte de verrouillage 13 et maintiennent l'ergot de verrouillage 12 dans ladite boite et donc le fermoir dans sa position fermée.Retaining means 16 are housed in the locking box 13 and hold the locking pin 12 in said box and thus the clasp in its closed position.

Deux boutons poussoirs 17 sont placés dans des ouvertures traversantes 18 des parois latérales 4 du couvercle 2 et sont accessibles par un utilisateur quelle que soit la position du fermoir. Sur pression de ces boutons poussoirs 17 contre l'action d'une force élastique, exercée par exemple par des ressorts 19, les moyens de retenue 16 libèrent l'ergot de verrouillage 12, ce qui permet ainsi à l'utilisateur d'ouvrir le fermoir et de déplier les première et seconde branches 5, 8.Two push buttons 17 are placed in through openings 18 of the side walls 4 of the cover 2 and are accessible by a user regardless of the position of the clasp. On pressing these push buttons 17 against the action of an elastic force, exerted for example by springs 19, the retaining means 16 release the locking pin 12, which thus allows the user to open the door. clasp and unfold the first and second branches 5, 8.

L'ergot de verrouillage 12, la boite de verrouillage 13, les moyens de retenue 16, les boutons poussoirs 17 et les ressorts 19 constituent un dispositif de verrouillage du fermoir dans sa position fermée. Ce dispositif a été décrit à titre d'exemple uniquement et pourrait être remplacé par tout autre dispositif approprié permettant de verrouiller le fermoir 1 dans sa position fermée.The locking pin 12, the locking box 13, the retaining means 16, the push buttons 17 and the springs 19 constitute a locking device of the clasp in its closed position. This device has been described as example only and could be replaced by any other suitable device for locking the clasp 1 in its closed position.

Il a ainsi été décrit à titre d'exemple un fermoir 1 déployant conventionnel.For example, a conventional clasp 1 has been described by way of example.

Le fermoir 1 comprend un dispositif de réglage de la longueur du bracelet selon l'invention.Clasp 1 comprises a device for adjusting the length of the bracelet according to the invention.

Le dispositif selon l'invention comprend un élément mobile 20 en forme d'étrier essentiellement rectangulaire et ouvert à une des ses extrémités. Un premier élément de liaison 21 est monté pivotant à l'extrémité ouverte 20a de l'élément mobile 20 par un dispositif de liaison adéquat, comme par exemple une quatrième barrette télescopique 22. Le premier élément de liaison 21 est formé de deux bras 21 a, 21 b reliés entre eux par une traverse 21 c. Le premier élément de liaison 21 est suffisamment étroit pour s'insérer dans l'élément mobile 20.The device according to the invention comprises a mobile element 20 in the form of a stirrup essentially rectangular and open at one of its ends. A first connecting element 21 is pivotally mounted at the open end 20a of the mobile element 20 by a suitable connecting device, such as for example a fourth telescopic bar 22. The first connecting element 21 is formed of two arms 21a. , 21 b interconnected by a cross member 21 c. The first connecting element 21 is sufficiently narrow to fit into the movable element 20.

Un deuxième élément de liaison 23 est relié de façon mobile au premier élément de liaison 21 par une troisième tige de fixation 24a. Le deuxième élément de liaison 23 est suffisamment étroit pour s'insérer entre les bras 21a, 21 b du premier élément de liaison 21 et comprend une première et une seconde encoches 23a, 23b destinées à coopérer respectivement avec la traverse 21 c du premier élément de liaison et la quatrième barrette télescopique 22 reliant ledit premier élément à l'élément mobile 20. Ainsi, le deuxième élément 23 de liaison peut être replié sur le premier élément de liaison 21. De préférence, des billes d'encliquetage 25 sont prévues sur les parois latérales du deuxième élément de liaison 23 pour garantir un verrouillage sûr des premier et deuxième éléments de liaison 21, 23 dans leur position repliée. Le système dépliant comprenant les premier et second éléments de liaison 21, 23 forme une rallonge du type « plongeur ».A second connecting element 23 is movably connected to the first connecting element 21 by a third fixing rod 24a. The second connecting element 23 is sufficiently narrow to fit between the arms 21a, 21b of the first connecting element 21 and comprises a first and a second notch 23a, 23b intended to cooperate respectively with the cross member 21c of the first element of FIG. connection and the fourth telescopic bar 22 connecting said first member to the movable member 20. Thus, the second connecting member 23 can be folded over the first connecting member 21. Preferably, latching balls 25 are provided on the side walls of the second connecting member 23 to ensure a secure locking of the first and second connecting members 21, 23 in their folded position. The folding system comprising the first and second connecting elements 21, 23 forms a "diver" type extension.

Le dernier maillon 10b d'un second brin de bracelet est fixé par une quatrième tige de fixation 24b au deuxième élément de liaison 23.The last link 10b of a second bracelet strand is fixed by a fourth fastening rod 24b to the second connecting element 23.

Ainsi, de part leur forme et leur fixation, le premier et deuxième élément de liaison 21, 23 une fois repliés l'un sur l'autre s'insèrent parfaitement dans l'élément mobile 20.Thus, due to their shape and their attachment, the first and second connecting element 21, 23 once folded one on the other fits perfectly into the movable element 20.

De préférence, les parois latérales 4 du couvercle 2 comprennent une première et une seconde découpes 4a, 4b de manière à ce que le couvercle 2 soit assez large pour recouvrir une partie des maillons 10a, 10b du bracelet.Preferably, the side walls 4 of the cover 2 comprise a first and a second cutouts 4a, 4b so that the cover 2 is wide enough to cover part of the links 10a, 10b of the bracelet.

Des premières goupilles 26 sont chassées à l'extrémité fermée de l'élément mobile 20 et sont destinées à coulisser dans une crémaillère fermée 27 que comportent les parois latérales 4 du couvercle 2. L'élément mobile 20 comporte encore des secondes goupilles 28 qui elles coulissent dans un rail 29 des parois latérales 4 du couvercle 2. Le rail 29 est ouvert à une de ses extrémités.First pins 26 are driven to the closed end of the movable member 20 and are intended to slide in a closed rack 27 that comprise the side walls 4 of the cover 2. The movable member 20 further comprises second pins 28 which they slide in a rail 29 of the side walls 4 of the cover 2. The rail 29 is open at one of its ends.

Au moins une mais de préférence, deux butées à ressorts 30 sont fixées sur l'élément mobile 20 et peuvent coulisser chacune dans un rail de guidage 31 prévus à cet effet sur la face interne du plateau 3 du couvercle 2. Lesdites butées à ressorts 30 comprennent un manchon chassé dans l'élément mobile 20 et dans lequel se trouve un ressort terminé par une butée, qui peut être une bille, par exemple. C'est cette butée qui coulisse dans le rail de guidage 31.At least one but preferably two spring stops 30 are fixed on the movable member 20 and can each slide in a guide rail 31 provided for this purpose on the inner face of the plate 3 of the cover 2. Said spring stops 30 comprise a sleeve driven into the movable member 20 and wherein there is a spring terminated by a stop, which may be a ball, for example. It is this stop that slides in the guide rail 31.

La crémaillère 27, le rail 29 et chacun des rails de guidage 31 ne sont pas traversants et sont donc invisibles lorsque le couvercle 2 est vue de dessus comme illustré à la figure 1.The rack 27, the rail 29 and each of the guide rails 31 are not through and are therefore invisible when the lid 2 is seen from above as illustrated in FIG. figure 1 .

La position de l'élément mobile 20 est déterminée par les différents crans 27a de la crémaillère 27 qui en comprend au moins deux. Les premières goupilles 26 sont maintenues dans les crans 27a de la crémaillère 27 sous l'action des butées à ressorts 30. Pour déplacer, l'élément mobile 20 par rapport au couvercle 2, l'utilisateur doit faire pression sur l'élément mobile 20 contre l'action desdites butées à ressorts 30 afin de dégager les premières goupilles 26 de leur cran 27a actuel et, tout en maintenant la pression sur l'élément mobile 20, déplacer ledit élément vers l'avant ou vers l'arrière de la crémaillère 27. Le déplacement de l'élément mobile 20 est en outre guidé par les secondes goupilles 28 coulissant dans le rail 29 et les butées à ressorts coulissant elles-mêmes dans leur rail de guidage 31 respectif.The position of the movable member 20 is determined by the different notches 27a of the rack 27 which comprises at least two. The first pins 26 are held in the notches 27a of the rack 27 under the action of the spring stops 30. To move the movable member 20 relative to the lid 2, the user must put pressure on the movable member 20 against the action of said spring stops 30 to release the first pins 26 of their current notch 27a and, while maintaining the pressure on the movable member 20, move said element forward or rearward of the rack 27. The displacement of the movable element 20 is further guided by the second pins 28 sliding in the rail 29 and sliding spring stops themselves in their respective guide rail 31.

La crémaillère 27 étant fermée, l'élément mobile 20 ne peut pas coulisser en dehors du couvercle 2 et il n'y a pas de risque de perdre le brin de bracelet attaché audit élément mobile 20.The rack 27 being closed, the movable member 20 can not slide outside the cover 2 and there is no risk of losing the bracelet strand attached to said movable member 20.

De plus, la crémaillère 27 et la position des premières goupilles 26 sur l'élément mobile 20 sont telles que à tout moment, et dans toutes ses positions, l'élément mobile 20 est entièrement dissimulé sous le couvercle 2.In addition, the rack 27 and the position of the first pins 26 on the movable member 20 are such that at all times, and in all its positions, the movable member 20 is completely concealed under the lid 2.

En déplaçant ainsi l'élément mobile 20 dans le couvercle 2, l'utilisateur fait varier la longueur du bracelet dont un brin est relié à l'élément mobile 20 via le premier et le deuxième éléments de liaison 21, 23. De préférence, l'élément mobile 20 comporte sur sa face accessible à l'utilisateur une zone spécialement traitée pour une meilleure manipulation dudit élément par l'utilisateur. Par exemple, et comme illustré à la figure 3, l'élément mobile 20 peut comprendre de fines stries 32 anti-dérapantes.By thus moving the movable element 20 in the lid 2, the user varies the length of the bracelet, one strand of which is connected to the movable element 20 via the first and second connecting elements 21, 23. Preferably, the mobile element 20 has on its face accessible to the user a specially treated area for better handling of said element by the user. For example, and as illustrated in figure 3 , the movable member 20 may comprise thin streaks 32 anti-slip.

Dans la position ouverte du fermoir, les première et seconde branches 5, 8 sont déployées de même que le premier et deuxième éléments 21, 23 de liaison. L'utilisateur peut dans cette position aisément passer le bracelet à son poignet. Dans cette position ouverte, l'utilisateur peut également replier les premier et deuxième éléments de liaison l'un sur l'autre et les verrouiller dans cette position, dans laquelle ils sont entièrement dissimulés sous le couvercle 2.In the open position of the clasp, the first and second branches 5, 8 are deployed as well as the first and second connecting elements 21, 23. The user can in this position easily pass the bracelet on his wrist. In this open position, the user can also fold the first and second connecting elements one over the other and lock them in this position, in which they are completely concealed under the cover 2.

L'utilisateur peut ensuite replier les première et seconde branches 5, 8 sous le couvercle 2 et les verrouiller dans cette position en insérant l'ergot de verrouillage 12 dans la boite de verrouillage 13, celui-ci étant alors retenu dans cette position par les moyens de retenue présents dans ladite boite de verrouillage 13. Le fermoir est ainsi dans sa position fermée.The user can then fold the first and second branches 5, 8 under the cover 2 and lock them in this position by inserting the locking pin 12 in the locking box 13, the latter being then retained in this position by the retaining means present in said locking box 13. The clasp is thus in its closed position.

Dans cette position fermée, tous les éléments composant le dispositif de réglage selon l'invention, en particulier l'élément mobile 20, le premier et le deuxième éléments de liaison 21, 23, la crémaillère 27, le rail 29 et les rails de guidage 31 sont invisibles puisque entièrement cachés sous le couvercle 2.In this closed position, all the elements making up the adjustment device according to the invention, in particular the mobile element 20, the first and the second connecting elements 21, 23, the rack 27, the rail 29 and the guide rails 31 are invisible since they are completely hidden under the cover 2.

Lorsque le fermoir est dans sa position ouverte, l'utilisateur peut régler la longueur du bracelet attaché au fermoir grâce au dispositif de réglage selon l'invention. Pour ce faire, l'utilisateur presse l'élément mobile contre l'intérieur du couvercle 2 et contre l'action des butées à ressorts 30 de manière à dégager les premières goupilles 26 du cran 27a de la crémaillère 27 qu'elles occupaient. Tout en maintenant la pression exercée sur l'élément mobile 20, l'utilisateur peut alors faire glisser celui-ci en avant ou en arrière dans la crémaillère jusqu'à positionner les premières goupilles 26 en face d'un nouveau cran 27a de la crémaillère 27. L'utilisateur peut alors relâcher la pression exercée sur l'élément mobile 20. Sous l'action des butées à ressorts 30, les premières goupilles 26 sont poussées dans les crans 27a de la crémaillère, bloquant ainsi tout mouvement de l'élément mobile par rapport au couvercle.When the clasp is in its open position, the user can adjust the length of the strap attached to the clasp through the adjusting device according to the invention. To do this, the user presses the movable member against the inside of the cover 2 and against the action of the spring stops 30 so as to disengage the first pins 26 of the notch 27a of the rack 27 that they occupied. While maintaining the pressure exerted on the movable member 20, the user can then slide it forward or backward in the rack until positioning the first pins 26 in front of a new notch 27a of the rack 27. The user can then release the pressure exerted on the movable member 20. Under the action of the spring stops 30, the first pins 26 are pushed into the notches 27a of the rack, thus blocking any movement of the element. mobile relative to the lid.

Ainsi, le dispositif selon l'invention permet un réglage fin et aisé de la longueur du bracelet.Thus, the device according to the invention allows a fine and easy adjustment of the length of the bracelet.

Le fermoir 1 comportant le dispositif selon l'invention a été décrit à titre, d'exemple uniquement. Le présent dispositif pourrait équiper d'autre type de fermoir destiné ou non à des bracelets de montre.The clasp 1 comprising the device according to the invention has been described by way of example only. The present device could equip other types of clasp for or not to watch straps.

Dans la forme d'exécution précédemment décrite, la crémaillère 27 ainsi que le rail 29 et le rail de guidage 31 et les différents trous borgnes destinés à recevoir des barrettes télescopiques sont directement usinés dans le couvercle 2 du fermoir. En variante, ces différents éléments pourraient être rapportés sur un cadre qui serait lui-même disposé dans le couvercle 2. Les autres éléments constituant le dispositif de réglage selon l'invention et le fonctionnement de cette variante sont en tout point similaire à ceux décrits ci-dessus.In the embodiment described above, the rack 27 and the rail 29 and the guide rail 31 and the various blind holes for receiving telescopic bars are machined directly in the lid 2 of the clasp. Alternatively, these different elements could be reported on a frame which would itself be arranged in the cover 2. The other elements constituting the adjustment device according to the invention and the operation of this variant are in all respects similar to those described herein. -above.

En variante également, le couvercle 2, la crémaillère 27 ainsi que le rail 29 et le rail de guidage 31 et les différents trous borgnes destinés à recevoir des barrettes télescopiques pourraient être réalisés d'une pièce par injection de métal.Alternatively also the cover 2, the rack 27 and the rail 29 and the guide rail 31 and the various blind holes for receiving telescopic bars could be made in one piece by metal injection.

Par crémaillère fermée, on entend une creusure usinée dans une paroi latérale intérieure du couvercle ou d'un cadre logé dans le couvercle. Elle est dite fermée car vue en plan cette creusure est fermée sur elle-même de sorte qu'une tige s'étendant dans cette creusure puisse être déplacée d'un cran 27a à un autre en passant dans la partie basse de la creusure mais que cette tige ne puisse pas s'échapper de cette creusure autrement que par un retrait suivant une direction perpendiculaire à la face interne latérale du couvercle ou du cadre.Closed rack means a hollow machined in an inner side wall of the lid or a frame housed in the lid. It is said closed because in plan view this hollow is closed on itself so that a rod extending in this recess can be moved from one notch 27a to another while passing in the lower part of the recess but that this rod can not escape from this hollow other than by a withdrawal in a direction perpendicular to the inner side of the lid or frame.

Il est évident que les divers dispositifs de fixation et de liaison décrit ci-dessus comme les première, deuxième, troisième et quatrième barrettes télescopiques ainsi que les première, deuxième, troisième et quatrième tiges de fixation pourraient être remplacés par tout autre dispositif approprié.It is obvious that the various fixing and connecting devices described above as the first, second, third and fourth telescopic bars as well as the first, second, third and fourth fixing rods could be replaced by any other suitable device.

On réalise ainsi un dispositif de réglage de la longueur du bracelet qui permette un réglage aisé et précis de la longueur du bracelet, de manière sûre puisqu'il n'y a aucun risque de démontage intempestif du dispositif, la crémaillère étant fermée. De plus, le présent dispositif s'adapte à tout type de bracelet et/ou de fermoir pour bracelet connu et est invisible une fois le bracelet porté, ne nuisant pas à l'esthétique dudit bracelet.This provides a device for adjusting the length of the bracelet that allows easy and accurate adjustment of the length of the bracelet, in a safe manner since there is no risk of inadvertent disassembly of the device, the rack being closed. In addition, the present device adapts to any type of bracelet and / or clasp known bracelet and is invisible once the bracelet worn, not detracting from the aesthetics of said bracelet.

Claims (5)

  1. Regulating device for the length of a bracelet comprising :
    • a cover (2) to which a first end (10a) of a bracelet is fixed and comprising at least two lateral walls (4) extending along the axis of the bracelet, and
    • a mobile element (20) to which a second end (10b) of a bracelet is fixed,
    • the said cover (2) comprising on the internal faces of the said lateral walls (4) a closed toothed rack (27) comprising at least two notches (27a) in which first pins (26) of the mobile element (20) are sliding, , the position of the mobile element (20) with respect to the cover (2) being determined by the notches (27a) of the toothed rack (27) and
    • at least one elastic member (30) tending to displace the mobile element (20) towards the notches (27a) of the toothed rack (27) locking the said first pins (26) into the said notches (27a),
    characterized by the fact that the said elastic member is formed by at least one spring abutment fixed to the mobile element and can slide in a guiding rail provided therefore on the internal face of the bottom of the cover.
  2. Device according to claim 1 characterized by the fact that the cover (2) comprises on the internal faces of said lateral walls (4) a groove (29) in which the second pins (28) of the mobile element (20) are sliding.
  3. Device according to one of the preceding claims characterized by the fact that the rack (27) and/or the rail (29) and/or the guiding rail (31) are directly manufactured with the cover.
  4. Device according to one of claims 1 to 3, characterized by the fact that the rack (27) and/or the rail (29) and/or the guiding rail (31) are machined on a frame fixed to the cover (2).
  5. Clasp for a bracelet comprising a regulating device of the length of the bracelet according to one of the preceding claims.
EP20100001815 2010-02-23 2010-02-23 Clasp for bracelet Active EP2361523B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100001815 EP2361523B1 (en) 2010-02-23 2010-02-23 Clasp for bracelet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100001815 EP2361523B1 (en) 2010-02-23 2010-02-23 Clasp for bracelet

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EP2361523A1 EP2361523A1 (en) 2011-08-31
EP2361523B1 true EP2361523B1 (en) 2014-06-25

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EP20100001815 Active EP2361523B1 (en) 2010-02-23 2010-02-23 Clasp for bracelet

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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2601855A1 (en) * 2011-12-09 2013-06-12 Omega SA Watch strap clasp
EP2601856A1 (en) * 2011-12-09 2013-06-12 Omega SA Watch strap clasp
EP2606762B1 (en) * 2011-12-22 2015-08-12 Montres Tudor S.A. Clasp with different bracelet length settings
EP2633776B1 (en) * 2012-02-29 2015-09-02 Glashütter Uhrenbetrieb GmbH Clasp with extensible loop
EP2767184B1 (en) * 2013-02-13 2015-04-08 Omega SA Watch strap clasp
EP2868222B1 (en) 2013-11-01 2016-09-14 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3170420B1 (en) 2015-11-20 2020-01-01 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3210488B1 (en) 2016-02-25 2018-09-26 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3417734B1 (en) 2017-06-21 2021-04-28 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3417735A1 (en) 2017-06-21 2018-12-26 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3641584B1 (en) 2017-06-21 2022-03-16 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
WO2019166671A1 (en) 2018-03-02 2019-09-06 Dexel S.A. Band clasp comprising a device for adjusting band length
EP4059374A1 (en) 2021-03-18 2022-09-21 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet allowing rapid fitting

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3151852B2 (en) * 1991-04-30 2001-04-03 カシオ計算機株式会社 Telescopic buckle structure
JP2000279217A (en) * 1999-03-31 2000-10-10 Citizen Watch Co Ltd Length regulating mechanism
US6944916B2 (en) * 2001-03-19 2005-09-20 Citizen Watch Co., Ltd. Length adjustment device of band-shaped ornament
US7289310B1 (en) * 2007-01-24 2007-10-30 Chun-An Yuan Adjustable static current discharging bracelet

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