EP2606762B1 - Clasp with different bracelet length settings - Google Patents

Clasp with different bracelet length settings Download PDF

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Publication number
EP2606762B1
EP2606762B1 EP11405374.7A EP11405374A EP2606762B1 EP 2606762 B1 EP2606762 B1 EP 2606762B1 EP 11405374 A EP11405374 A EP 11405374A EP 2606762 B1 EP2606762 B1 EP 2606762B1
Authority
EP
European Patent Office
Prior art keywords
clasp
wrist
band
link
elastic
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
EP11405374.7A
Other languages
German (de)
French (fr)
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EP2606762A1 (en
Inventor
Grégory Schmidt
Jérome Tyrode
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Tudor SA
Original Assignee
Montres Tudor SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Tudor SA filed Critical Montres Tudor SA
Priority to EP11405374.7A priority Critical patent/EP2606762B1/en
Priority to JP2012275289A priority patent/JP6289806B2/en
Priority to US13/722,215 priority patent/US9049906B2/en
Priority to CN201210599089.9A priority patent/CN103169209B/en
Publication of EP2606762A1 publication Critical patent/EP2606762A1/en
Application granted granted Critical
Publication of EP2606762B1 publication Critical patent/EP2606762B1/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
    • A44C5/18—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
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2143—Strap-attached folding lever
    • Y10T24/2155—Jewelry-watch straps

Definitions

  • the present invention relates to a clasp for a wristwatch, and a bracelet and a wristwatch as such comprising such a clasp.
  • the first solution is simple and consists in providing the ends of each strand with cooperation means, in the form for example of a simple loop and a barb on the one hand cooperating with holes on the other hand.
  • cooperation means in the form for example of a simple loop and a barb on the one hand cooperating with holes on the other hand.
  • Such a solution has the disadvantage that when opening the cooperation means, the two strands of the bracelet are immediately disengaged and lead to a risk of falling of the wristwatch.
  • an intermediate clasp type element disposed between the two bracelet strands, which remains always integral with the ends of these two strands.
  • Such a clasp occupies two positions: a closed position, intended for the wearing of the watch, in which the bracelet and the clasp extend around the circumference of the wrist with a total length allowing the wristwatch to be held, and a open position that increases the length of the bracelet and the clasp, by separating the two ends of the two strands of the bracelet, without detaching the clasp, to allow the passage of the hand and the removal of the watch.
  • the two strands of the bracelet are not disconnected, which minimizes the risk of falling of the watch.
  • the document US2126263 describes a bracelet clasp comprising a sliding element within a lid, to adjust the length of the bracelet.
  • the adjustment of this length is not a notch between two components.
  • the sliding element retains a slight elastic mobility under the effect of a spring.
  • a first object of the invention is to provide a closing solution of a watch strap around the wrist of a wearer that minimizes the risk of falling of the watch.
  • a second object of the invention is to provide a closing solution of a watch strap around the wrist of a wearer which allows an optimal and user-friendly adjustment of the length of the bracelet in all the conditions of use of the watch, even when practicing scuba diving for example.
  • the invention is based on a clasp comprising two cooperation elements intended for a connection with respectively two ends of two distinct strands of a bracelet, this clasp comprising a first precision device for adjusting the length of the bracelet, characterized in that the clasp further comprises a second elastic adjustment device of the length of the bracelet.
  • the invention is based firstly on a clasp permanently connected to the ends of the two strands of a bracelet to minimize the risk of falling a wristwatch, as has been explained above. Then, this clasp is equipped with a first precision adjustment device, allowing small changes in length to fit with Flexibility to changes around the wrist and adapt its comfort. It is finally equipped with a second elastic adjustment device, of greater amplitude of length, making it possible to face the greatest variations of length, automatically, to adapt to particular uses as during the diving. -marine for example.
  • the clasp comprises two blades 1, 2 hinged together at a connecting axis 3 forming an axis of rotation, the first blade 1 being further articulated about an axis 4 to a first end 21 of a lid 20.
  • the second blade 2 is provided at its end opposite its connection with the first blade 1 of a cooperating element 6 for fixing the end of a first strand bracelet, not shown.
  • the cover 20 comprises an arrangement for fixing the end of a second strand of bracelet, not shown, adapted to extend from the second end 22 of the cover 20.
  • the latter also carries a member 27 on which is mounted a fastener 26 towards the first end 21 of the cover, intended to cooperate with the fastening element 7 of the second blade 2 to implement the locking and unlocking of the clasp to obtain its two closed and open positions, conventional way.
  • the two blades 1, 2 can occupy two different configurations, in known manner.
  • the first opening configuration of the clasp for example partially represented by the figure 1
  • the free end of the second blade 2 is released from its attachment on the lid 20, which allows the deployment of the two blades 1, 2 which can be spaced apart by rotation about the connecting pins 3, 4, allowing the removal of the wristwatch wrist.
  • the second closure configuration of the clasp for example represented by the Figures 7 to 9
  • the two blades are folded over one another and superimposed on the cover 20, which hides them. The latter thus fulfills at the same time an aesthetic function.
  • the fastening element 7 of the second blade 2 cooperates with the fastening element 26 of the cover 20 to allow their attachment and the closing and tightening of the assembly formed by the bracelet and the clasp around the 'a wrist.
  • the closure and the release of the cooperation between the second blade 2 and the lid 20 are actuated by means of a gripping member 29 integral with the member 27.
  • a lock 8 is also provided for secure the closure of the clasp. This mechanism of the clasp is conventional and will not be more detailed.
  • the cover 20 comprises two flanges 23 which extend over substantially its entire length, perpendicular to its upper planar surface forming a wall 24, to delimit a volume which incorporates clasp adjusting devices, which will be detailed later, as well as only partially the two blades 1, 2 in the closed position of the clasp, as has been explained above, ensuring an attractive appearance of the clasp by hiding the components of these adjustment devices that are not visible from the outside, since the visible upper face of the lid.
  • the wall 24 extending between the two flanges 23 of the cover 20, more particularly visible on the figure 2 comprises notches, in particular three, 25a to 25c, hollowed on its surface, intended to be oriented towards the wrist of its carrier.
  • the interior volume of the lid 20 comprises devices for adjusting the length of the bracelet, particularly visible on the Figures 3 to 6 .
  • a bracelet 10 mesh mounted movably within the cover 20, which comprises a carriage 11 and a pawl 12 mounted to rotate about a connecting pin 13 on the carriage 11.
  • connection of the ratchet 12 on the carriage 11 is controlled by springs of torsion 14 mounted on the connecting pin 13, which tend to maintain a beak 15 of the pawl 12, more particularly visible on the Figures 6 to 9 , in contact with the wall 24 of the cover 20, so as to cooperate with the notches 25a to 25c, as will be detailed later.
  • the carriage 11 is connected to the cover 20 by traction springs 16, a first end 18 of which is connected to the cover 20 and a second to the carriage 11, more precisely to an axis 17 distinct from the connecting pivot axis 13 the pawl 12.
  • Their first end 18 is fixed in a mobile manner in translation, by a transverse axis mechanism whose ends are in grooves 28 of the member 27 which is integral with the cover 20 and disposed between its flanges 23.
  • the two axes 13, 17 of the carriage 11 are parallel and extend over the entire width of the cover 20 so that their ends cooperate with slides or slides 30 arranged within the edges 23 of the cover 20.
  • the carriage 11 is movable relative to the lid 20, in a movement defined by the shape of the slides 30. This movement can have any direction, close to a translation or be slightly curved.
  • the carriage may be subjected to an elastic return force exerted by the traction springs 16, as will be explained later.
  • the adjustment of the length of a bracelet cooperating with this clasp is obtained by pivoting the pawl 12 relative to the carriage 11, so as to move its spout 15 from the cover 20 by allowing it to escape the possible grip of a notch. 25a to 25c.
  • the mesh 10 that is to say the assembly formed by the carriage 11 and the pawl 12, is then free to move relative to the cover 20 to allow adjustment of its positioning.
  • an indicator 19 is arranged on the surface of this mesh, so as to appear in a longitudinal slot 31 formed in the wall 24 of the cover 20 and cooperate with the visual cues 24a, 24b, 24c formed on the wall 24 of the cover 20, to display the positioning of the mesh and therefore the chosen length adjustment, as represented by the figure 10 .
  • the ends 32 of a bracelet strand visible on the figure 4 , are attached to the mesh 10, more particularly to the end of its pawl 12, and thus allows the relative movement of this bracelet strand relative to the lid, to thereby adjust the length of the bracelet.
  • FIGS 7 to 9 in particular illustrate the operation of the first precision adjustment. They represent the clasp in the closed position, with respectively three different settings of strap length, implemented by the positioning of the spout 15 of the pawl 12 in respectively the notches 25a to 25c.
  • each notch 25a to 25c makes it possible to obtain a different length of the bracelet since the ends 32 of the strand are fixed to the two ends of the pawl 12 by a cooperation element 35.
  • the various notches are spaced slightly apart, for example spaced every 2 mm, to allow fine precision adjustment of the length of the bracelet.
  • any other number of notches greater than or equal to 2 may be implemented, the spacing of which may also vary, for example from 1 to 5 mm.
  • the setting of the adjustment of the length of the bracelet is more particularly represented by the Figures 5 and 6 , respectively in view from below and from the side.
  • the clasp When the clasp is open, its two blades 1, 2 are spaced from the cover 20 and allow access to the pawl 12.
  • the latter is pivoted about its connecting axis 13 with the carriage 11, until the escape of its beak 15 of the grip of one of the notches 25a to 25c.
  • the carriage 11, and even the whole of the mesh 10 is then movable relative to the cover 20, by guiding along the lateral slides 30 mentioned above. This movement of the mesh entails at the same time the ends 32 of the bracelet strand which are connected to it.
  • the pawl 12, and the end of the strand connected thereto are oriented in a direction substantially perpendicular to the upper wall 24 of the lid during this adjustment phase, which allows their manual gripping user-friendly to easily drive the l all of the mesh 10 moving to make the adjustment. Then there is only to release the pawl 12 so that it automatically repositions itself towards the wall 24 of the cover, in alignment with the carriage 11, which remains mobile until a notch 25a to 25c is reached, in which case the spout 15 of the pawl is automatically housed under the effect of the torsion springs.
  • the Figures 11 to 13 illustrate more particularly the operation of the second elastic adjustment of the length of the bracelet, for example intended for the practice of scuba diving.
  • the mesh 10 occupies a position beyond the zone of notches 25a to 25c mentioned above, towards the end 22 of the lid, and moves on a second stroke between this end 22 and the last notch 25c.
  • the spout 15 of the pawl 12 no longer cooperates with notches, but moves in a continuous hollow zone 36 of the inner surface of the cover, and the mesh 10 is free to move relative to the cover 20, according to the guide slides 30. It also undergoes the elastic return force of the tension springs 16 whose end 18 is now in abutment on the cover 20.
  • the figure 11 illustrates a first position of the mesh as an example, to obtain the largest length of the bracelet.
  • the mesh is in its position closest to the end 22 of the lid 20. This position is for example reached when a user has his watch over a diving suit on the surface of the water.
  • the mesh automatically moves under the return force of the traction springs 16, which work in traction over the entire second race of the mesh, so that the bracelet remains permanently at the length of the wrist.
  • the tensile force of the springs is defined to represent a good compromise to achieve both a good support and a comfortable wearing of the wristwatch.
  • the Figures 12 and 13 illustrate for this purpose two different intermediate positions, for which the mesh 10 has moved on its second race under the effect of the springs traction 16, in the direction of reducing the length of the bracelet.
  • This second race ends when the spout 15 of the pawl 12 abuts on the outer wall of the last notch 25c belonging to the first precision adjustment device, as represented by FIG. figure 13 .
  • This second race of the mesh may be of the order of 15 mm, preferably between 10 and 20 mm, or even between 5 and 25 mm.
  • the traction springs 16 are in very slight extension according to this embodiment.
  • the clasp according to the embodiment of the invention has the advantage of combining two different and complementary adjustment functions, using two adjustment devices, offering a very wide range of use. Wide and user-friendly wristwatch.
  • the two adjustment devices comprise certain components in common and other distinct.
  • the clasp further comprises a first conventional initial attachment of the bracelet, before the implementation of the two settings described in detail above.
  • the mesh could take another form, its carriage could move with different mobility and / or by different means of cooperation with the lid.
  • the ratchet can have any other form, such as a simple lever.
  • the beak / notch cooperation has been illustrated by way of example but any other equivalent connection can be envisaged, such as tooth / rack, stud / opening, etc.
  • the mesh may comprise any elastic element tending to press a fastener of the mesh towards a complementary fastening element arranged on the clasp.
  • the torsion springs 14 and the traction springs 16 could be replaced by any other equivalent elastic element.
  • the elastic element participating in the effort to return the mesh along its second race for the implementation of the second elastic adjustment, can be set differently.
  • its first end could be fixed, non-moving, according to a simplified execution.
  • the architecture of the clasp itself may be different.
  • the invention has been illustrated from a bracelet associated with a wristwatch, which is also concerned as such by this invention.
  • the clasp can be associated with any other bracelet, for any object to be fixed on a wrist or any other part.
  • This object can be a scuba diving accessory such as a depth gauge or a scuba diving computer, for example, or a jewelery component.

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  • Buckles (AREA)
  • Clamps And Clips (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Description

IntroductionIntroduction

La présente invention concerne un fermoir pour montre-bracelet, ainsi qu'un bracelet et une montre-bracelet en tant que tels comprenant un tel fermoir.The present invention relates to a clasp for a wristwatch, and a bracelet and a wristwatch as such comprising such a clasp.

Etat de l'ArtState of the art

Il existe plusieurs solutions pour accrocher les deux brins d'un bracelet de montre autour du poignet de son porteur. La première solution est simple et consiste à doter les extrémités de chaque brin de moyens de coopération, sous la forme par exemple d'une simple boucle et d'un ardillon d'une part coopérant avec des trous d'autre part. Une telle solution présente l'inconvénient que lors de l'ouverture des moyens de coopération, les deux brins du bracelet sont immédiatement désolidarisés et entraînent un risque de chute de la montre-bracelet.There are several solutions for hanging the two strands of a watch strap around the wrist of its wearer. The first solution is simple and consists in providing the ends of each strand with cooperation means, in the form for example of a simple loop and a barb on the one hand cooperating with holes on the other hand. Such a solution has the disadvantage that when opening the cooperation means, the two strands of the bracelet are immediately disengaged and lead to a risk of falling of the wristwatch.

Pour pallier à cet inconvénient, une autre solution consiste à prévoir un élément intermédiaire de type fermoir, disposé entre les deux brins de bracelet, qui reste toujours solidaire des extrémités de ces deux brins. Un tel fermoir occupe deux positions : une position fermée, prévue pour le port de la montre, dans laquelle le bracelet et le fermoir s'étendent sur le pourtour du poignet en présentant une longueur totale permettant le maintien de la montre-bracelet, et une position ouverte qui permet d'augmenter la longueur du bracelet et du fermoir, en écartant les deux extrémités des deux brins du bracelet, sans les détacher du fermoir, pour permettre le passage de la main et le retrait de la montre. Dans cette configuration ouverte du fermoir, les deux brins du bracelet ne sont pas désolidarisés, ce qui minimise le risque de chute de la montre.To overcome this drawback, another solution is to provide an intermediate clasp type element disposed between the two bracelet strands, which remains always integral with the ends of these two strands. Such a clasp occupies two positions: a closed position, intended for the wearing of the watch, in which the bracelet and the clasp extend around the circumference of the wrist with a total length allowing the wristwatch to be held, and a open position that increases the length of the bracelet and the clasp, by separating the two ends of the two strands of the bracelet, without detaching the clasp, to allow the passage of the hand and the removal of the watch. In this open configuration of the clasp, the two strands of the bracelet are not disconnected, which minimizes the risk of falling of the watch.

Dans une solution avec fermoir, il existe en général un premier réglage du positionnement du fermoir relativement au bracelet, dit réglage conventionnel. Cependant, la longueur finale obtenue n'est souvent pas parfaite et non optimale. Pour cela, des fermoirs existants, comme celui décrit par le document EP0819391 , sont équipés d'une solution permettant la réalisation d'un second réglage de la longueur du bracelet, complémentaire avec le premier réglage conventionnel. Ce second réglage permet d'affiner le réglage initial, en mettant en oeuvre une modification très faible de la longueur du bracelet par une manipulation très simple et conviviale, ne demandant ni outil ni habileté particulière. Ce second réglage, dit réglage de précision, permet notamment d'améliorer le confort du porteur en permettant une modification facile du réglage initial de façon à pallier aux éventuelles évolutions du pourtour du poignet, qui dépend par exemple de la température ambiante et des efforts réalisés avec le bras par le porteur du bracelet.In a solution with a clasp, there is generally a first adjustment of the positioning of the clasp relative to the bracelet, said conventional adjustment. However, the final length obtained is often not perfect and not optimal. For this, existing clasps, like the one described by the document EP0819391 , are equipped with a solution allowing the realization of a second adjustment of the length of the bracelet, complementary with the first conventional adjustment. This second adjustment makes it possible to refine the initial setting, by implementing a very small modification of the length of the bracelet by a very simple and user-friendly manipulation, not requiring any particular tool or skill. This second adjustment, called precision adjustment, in particular improves the comfort of the wearer by allowing easy modification of the initial setting to overcome any changes in the wrist circumference, which depends for example on the ambient temperature and efforts made with the arm by the wearer of the bracelet.

Le document US2126263 décrit un fermoir de bracelet comprenant un élément coulissant au sein d'un couvercle, pour ajuster la longueur du bracelet. L'ajustement de cette longueur se fait pas un crantage entre deux composants. Lorsque le crantage est effectif, l'élément coulissant conserve une légère mobilité élastique sous l'effet d'un ressort.The document US2126263 describes a bracelet clasp comprising a sliding element within a lid, to adjust the length of the bracelet. The adjustment of this length is not a notch between two components. When the notching is effective, the sliding element retains a slight elastic mobility under the effect of a spring.

Toutefois, les solutions existantes mettant en oeuvre un fermoir ne sont pas adaptées à toutes les conditions d'utilisation de la montre et restent insuffisantes, même si elles permettent de réduire les risques de chute d'une montre. En effet, si le porteur de la montre-bracelet souhaite par exemple pratiquer la plongée sous-marine, il a en général besoin de fixer sa montre par-dessus une combinaison de plongée. Ensuite, lorsque le plongeur descend de plus en plus en profondeur, la pression qui augmente modifie significativement la longueur du pourtour de son poignet. Dans la pratique, le réglage de précision existant sur les fermoirs s'avère inadapté lors d'une telle utilisation de la montre pour la pratique de la plongée sous-marine.However, existing solutions implementing a clasp are not adapted to all the conditions of use of the watch and remain insufficient, even if they reduce the risk of falling a watch. Indeed, if the wearer of the wristwatch wishes for example to practice scuba diving, he usually needs to fix his watch over a wetsuit. Then, as the diver descends deeper and deeper, the increasing pressure significantly changes the length of the circumference of his wrist. In practice, the precision adjustment existing on the clasps is unsuitable for such use of the watch for the practice of scuba diving.

Finalement, il existe donc un besoin d'une solution permettant de porter une montre-bracelet, qui permette de conserver les avantages de l'état de la technique tout en réduisant ses inconvénients.Finally, there is therefore a need for a solution to wear a wristwatch, which allows to retain the benefits of the state of the art while reducing its disadvantages.

C'est pourquoi l'invention cherche à atteindre tout ou partie des objets suivants.This is why the invention seeks to achieve all or part of the following objects.

Un premier objet de l'invention consiste à proposer une solution de fermeture d'un bracelet pour montre autour du poignet d'un porteur qui minimise le risque de chute de la montre.A first object of the invention is to provide a closing solution of a watch strap around the wrist of a wearer that minimizes the risk of falling of the watch.

Un second objet de l'invention consiste à proposer une solution de fermeture d'un bracelet pour montre autour du poignet d'un porteur qui permet un réglage optimal et convivial de la longueur du bracelet dans toutes les conditions d'utilisation de la montre, même lors de la pratique de la plongée sous-marine par exemple.A second object of the invention is to provide a closing solution of a watch strap around the wrist of a wearer which allows an optimal and user-friendly adjustment of the length of the bracelet in all the conditions of use of the watch, even when practicing scuba diving for example.

Brève description de l'inventionBrief description of the invention

A cet effet, l'invention repose sur un fermoir comprenant deux éléments de coopération destinés à une liaison avec respectivement deux extrémités de deux brins distincts d'un bracelet, ce fermoir comprenant un premier dispositif de réglage de précision de la longueur du bracelet, caractérisé en ce que le fermoir comprend de plus un second dispositif de réglage élastique de la longueur du bracelet.For this purpose, the invention is based on a clasp comprising two cooperation elements intended for a connection with respectively two ends of two distinct strands of a bracelet, this clasp comprising a first precision device for adjusting the length of the bracelet, characterized in that the clasp further comprises a second elastic adjustment device of the length of the bracelet.

L'invention est précisément définie par les revendications.The invention is precisely defined by the claims.

Brève description des figuresBrief description of the figures

Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante de modes de réalisation particuliers faits à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • La figure 1 représente une vue en perspective d'un fermoir partiellement ouvert selon un mode de réalisation de la présente invention.
  • La figure 2 représente une vue en perspective de dessous du couvercle du fermoir selon le mode de réalisation de la présente invention.
  • Les figures 3 et 4 représentent deux vues différentes de l'agencement des dispositifs de réglage du fermoir selon le mode de réalisation de la présente invention.
  • Les figures 5 et 6 représentent respectivement une vue en perspective et en coupe de l'agencement des dispositifs de réglage du fermoir en phase de réglage selon le mode de réalisation de la présente invention.
  • Les figures 7 à 9 représentent des vues en coupe du fermoir dans différentes positions obtenues par la mise en oeuvre du premier dispositif de réglage de précision selon le mode de réalisation de la présente invention.
  • La figure 10 représente une vue en perspective de dessus du couvercle du fermoir selon le mode de réalisation de la présente invention.
  • Les figures 11 à 13 représentent des vues en coupe du fermoir dans différentes positions obtenues par la mise en oeuvre du second dispositif de réglage élastique selon le mode de réalisation de la présente invention.
These objects, features and advantages of the present invention will be set forth in detail in the following description of particular embodiments given as a non-limiting example in relation to the appended figures among which:
  • The figure 1 is a perspective view of a partially open clasp according to an embodiment of the present invention.
  • The figure 2 is a perspective view from below of the clasp cover according to the embodiment of the present invention.
  • The Figures 3 and 4 represent two different views of the arrangement of clasp adjusting devices according to the embodiment of the present invention.
  • The Figures 5 and 6 respectively represent a perspective and sectional view of the arrangement of the adjusting clasp adjusting devices according to the embodiment of the present invention.
  • The Figures 7 to 9 represent sectional views of the clasp in different positions obtained by the implementation of the first precision adjustment device according to the embodiment of the present invention.
  • The figure 10 is a perspective view from above of the clasp cover according to the embodiment of the present invention.
  • The Figures 11 to 13 represent sectional views of the clasp in different positions obtained by the implementation of the second elastic adjustment device according to the embodiment of the present invention.

L'invention repose d'abord sur un fermoir relié en permanence aux extrémités des deux brins d'un bracelet pour minimiser les risques de chute d'une montre-bracelet, comme cela a été explicité précédemment. Ensuite, ce fermoir est équipé d'un premier dispositif de réglage de précision, permettant des petites modifications de longueur pour s'adapter avec souplesse aux évolutions du pourtour du poignet et adapter son confort. Il est enfin équipé d'un second dispositif de réglage élastique, de plus grande amplitude de longueur, permettant de faire face à des plus fortes variations de longueur, de manière automatique, pour s'adapter à des utilisations particulières comme lors de la plongée sous-marine par exemple.The invention is based firstly on a clasp permanently connected to the ends of the two strands of a bracelet to minimize the risk of falling a wristwatch, as has been explained above. Then, this clasp is equipped with a first precision adjustment device, allowing small changes in length to fit with Flexibility to changes around the wrist and adapt its comfort. It is finally equipped with a second elastic adjustment device, of greater amplitude of length, making it possible to face the greatest variations of length, automatically, to adapt to particular uses as during the diving. -marine for example.

Un mode de réalisation particulier d'un tel fermoir va maintenant être décrit de manière détaillée à titre non limitatif.A particular embodiment of such a clasp will now be described in detail without limitation.

Comme représenté sur la figure 1, le fermoir selon ce mode de réalisation comprend deux lames 1, 2 articulées entre elles au niveau d'un axe de liaison 3 formant un axe de rotation, la première lame 1 étant de plus articulée autour d'un axe 4 vers une première extrémité 21 d'un couvercle 20. La seconde lame 2 est dotée à son extrémité opposée à sa liaison avec la première lame 1 d'un élément de coopération 6 pour la fixation de l'extrémité d'un premier brin de bracelet, non représenté. Le couvercle 20 comprend un agencement permettant la fixation de l'extrémité d'un second brin de bracelet, non représenté, apte à s'étendre à partir de la seconde extrémité 22 du couvercle 20. Ce dernier porte également un organe 27 sur lequel est monté un élément de fixation 26 vers la première extrémité 21 du couvercle, destiné à coopérer avec l'élément de fixation 7 de la seconde lame 2 pour mettre en oeuvre le verrouillage et le déverrouillage du fermoir pour obtenir ses deux positions fermée et ouverte, de manière conventionnelle.As shown on the figure 1 , the clasp according to this embodiment comprises two blades 1, 2 hinged together at a connecting axis 3 forming an axis of rotation, the first blade 1 being further articulated about an axis 4 to a first end 21 of a lid 20. The second blade 2 is provided at its end opposite its connection with the first blade 1 of a cooperating element 6 for fixing the end of a first strand bracelet, not shown. The cover 20 comprises an arrangement for fixing the end of a second strand of bracelet, not shown, adapted to extend from the second end 22 of the cover 20. The latter also carries a member 27 on which is mounted a fastener 26 towards the first end 21 of the cover, intended to cooperate with the fastening element 7 of the second blade 2 to implement the locking and unlocking of the clasp to obtain its two closed and open positions, conventional way.

Ainsi, les deux lames 1, 2 peuvent occuper deux configurations différentes, de manière connue. Dans la première configuration d'ouverture du fermoir, par exemple partiellement représentée par la figure 1, l'extrémité libre de la seconde lame 2 est libérée de sa fixation sur le couvercle 20, ce qui permet le déploiement des deux lames 1, 2 qui peuvent être écartées par rotation autour des axes de liaison 3, 4, permettant le retrait de la montre-bracelet du poignet. Dans la seconde configuration de fermeture du fermoir, par exemple représentée par les figures 7 à 9, les deux lames sont repliées l'une sur l'autre et superposées au couvercle 20, qui les cache. Ce dernier remplit ainsi dans le même temps une fonction esthétique. Dans cette position fermée, l'élément de fixation 7 de la seconde lame 2 coopère avec l'élément de fixation 26 du couvercle 20 pour permettre leur fixation et la fermeture et le serrage de l'ensemble formé par le bracelet et le fermoir autour d'un poignet. L'actionnement de la fermeture et de la libération de la coopération entre la seconde lame 2 et le couvercle 20 s'effectue à l'aide d'un organe de préhension 29 solidaire de l'organe 27. Un verrou 8 est également prévu pour sécuriser la fermeture du fermoir. Ce mécanisme du fermoir est conventionnel et ne sera pas plus détaillé.Thus, the two blades 1, 2 can occupy two different configurations, in known manner. In the first opening configuration of the clasp, for example partially represented by the figure 1 , the free end of the second blade 2 is released from its attachment on the lid 20, which allows the deployment of the two blades 1, 2 which can be spaced apart by rotation about the connecting pins 3, 4, allowing the removal of the wristwatch wrist. In the second closure configuration of the clasp, for example represented by the Figures 7 to 9 , the two blades are folded over one another and superimposed on the cover 20, which hides them. The latter thus fulfills at the same time an aesthetic function. In this closed position, the fastening element 7 of the second blade 2 cooperates with the fastening element 26 of the cover 20 to allow their attachment and the closing and tightening of the assembly formed by the bracelet and the clasp around the 'a wrist. The closure and the release of the cooperation between the second blade 2 and the lid 20 are actuated by means of a gripping member 29 integral with the member 27. A lock 8 is also provided for secure the closure of the clasp. This mechanism of the clasp is conventional and will not be more detailed.

Le couvercle 20 comprend deux rebords 23 qui s'étendent sur sensiblement toute sa longueur, perpendiculairement à sa face plane supérieure formant une paroi 24, pour délimiter un volume qui intègre des dispositifs de réglage du fermoir, qui vont être détaillés par la suite, ainsi que partiellement les deux lames 1, 2 en position fermée du fermoir, comme cela a été explicité ci-dessus, en assurant une esthétique attrayante du fermoir en cachant les composants de ces dispositifs de réglage qui ne sont pas visibles de l'extérieur, depuis la face supérieure visible du couvercle.The cover 20 comprises two flanges 23 which extend over substantially its entire length, perpendicular to its upper planar surface forming a wall 24, to delimit a volume which incorporates clasp adjusting devices, which will be detailed later, as well as only partially the two blades 1, 2 in the closed position of the clasp, as has been explained above, ensuring an attractive appearance of the clasp by hiding the components of these adjustment devices that are not visible from the outside, since the visible upper face of the lid.

La paroi 24 s'étendant entre les deux rebords 23 du couvercle 20, plus particulièrement visible sur la figure 2, comprend des crans, notamment trois, 25a à 25c, creusés sur sa surface, destinés à être orientés vers le poignet de son porteur. Le volume intérieur du couvercle 20 comprend des dispositifs de réglage de la longueur du bracelet, particulièrement visibles sur les figures 3 à 6. Pour cela, il intègre une maille 10 de bracelet, montée mobile au sein de ce couvercle 20, qui comprend un chariot 11 et un cliquet 12 monté mobile en rotation autour d'un axe de liaison 13 sur le chariot 11. La liaison du cliquet 12 sur le chariot 11 est asservie par des ressorts de torsion 14 montés sur l'axe de liaison 13, qui tendent à maintenir un bec 15 du cliquet 12, plus particulièrement visible sur les figures 6 à 9, en contact avec la paroi 24 du couvercle 20, de manière à coopérer avec les crans 25a à 25c, comme cela sera détaillé par la suite.The wall 24 extending between the two flanges 23 of the cover 20, more particularly visible on the figure 2 , comprises notches, in particular three, 25a to 25c, hollowed on its surface, intended to be oriented towards the wrist of its carrier. The interior volume of the lid 20 comprises devices for adjusting the length of the bracelet, particularly visible on the Figures 3 to 6 . For this, it incorporates a bracelet 10 mesh, mounted movably within the cover 20, which comprises a carriage 11 and a pawl 12 mounted to rotate about a connecting pin 13 on the carriage 11. The connection of the ratchet 12 on the carriage 11 is controlled by springs of torsion 14 mounted on the connecting pin 13, which tend to maintain a beak 15 of the pawl 12, more particularly visible on the Figures 6 to 9 , in contact with the wall 24 of the cover 20, so as to cooperate with the notches 25a to 25c, as will be detailed later.

En outre, le chariot 11 est lié au couvercle 20 par des ressorts de traction 16, dont une première extrémité 18 est liée au couvercle 20 et une seconde au chariot 11, plus précisément à un axe 17 distinct de l'axe de liaison 13 pivotant le cliquet 12. Leur première extrémité 18 est fixée de manière mobile en translation, par un mécanisme d'axe transverse dont les extrémités se trouvent dans des rainures 28 de l'organe 27 qui est solidaire du couvercle 20 et disposé entre ses rebords 23. Les deux axes 13, 17 du chariot 11 sont parallèles et s'étendent sur toute la largeur du couvercle 20 de sorte que leurs extrémités coopèrent avec des glissières ou coulisses 30 aménagées au sein des rebords 23 du couvercle 20. Par cette liaison, le chariot 11 est mobile par rapport au couvercle 20, selon un mouvement défini par la forme des coulisses 30. Ce mouvement peut avoir une direction quelconque, proche d'une translation ou être légèrement courbé. De plus, le chariot peut être soumis à un effort de rappel élastique exercé par les ressorts de traction 16, comme cela sera explicité par la suite.In addition, the carriage 11 is connected to the cover 20 by traction springs 16, a first end 18 of which is connected to the cover 20 and a second to the carriage 11, more precisely to an axis 17 distinct from the connecting pivot axis 13 the pawl 12. Their first end 18 is fixed in a mobile manner in translation, by a transverse axis mechanism whose ends are in grooves 28 of the member 27 which is integral with the cover 20 and disposed between its flanges 23. The two axes 13, 17 of the carriage 11 are parallel and extend over the entire width of the cover 20 so that their ends cooperate with slides or slides 30 arranged within the edges 23 of the cover 20. By this connection, the carriage 11 is movable relative to the lid 20, in a movement defined by the shape of the slides 30. This movement can have any direction, close to a translation or be slightly curved. In addition, the carriage may be subjected to an elastic return force exerted by the traction springs 16, as will be explained later.

Le réglage de la longueur d'un bracelet coopérant avec ce fermoir est obtenu en pivotant le cliquet 12 relativement au chariot 11, de sorte à éloigner son bec 15 du couvercle 20 en lui permettant d'échapper à l'emprise éventuelle d'un cran 25a à 25c. La maille 10, c'est-à-dire l'ensemble formé par le chariot 11 et le cliquet 12, est alors libre de se déplacer relativement au couvercle 20 pour permettre le réglage de son positionnement. Selon une réalisation optionnelle avantageuse, un indicateur 19 est aménagé sur la surface de cette maille, de façon à apparaître dans une lumière longitudinale 31 aménagée dans la paroi 24 du couvercle 20 et à coopérer avec les repères visuels 24a, 24b, 24c formés sur la paroi 24 du couvercle 20, permettant de visualiser le positionnement de la maille et donc le réglage de longueur choisi, comme représenté par la figure 10. Les extrémités 32 d'un brin de bracelet, visibles sur la figure 4, sont fixées à la maille 10, plus particulièrement à l'extrémité de son cliquet 12, et permet ainsi le déplacement relatif de ce brin de bracelet relativement au couvercle, pour effectuer ainsi le réglage de la longueur du bracelet.The adjustment of the length of a bracelet cooperating with this clasp is obtained by pivoting the pawl 12 relative to the carriage 11, so as to move its spout 15 from the cover 20 by allowing it to escape the possible grip of a notch. 25a to 25c. The mesh 10, that is to say the assembly formed by the carriage 11 and the pawl 12, is then free to move relative to the cover 20 to allow adjustment of its positioning. According to an advantageous optional embodiment, an indicator 19 is arranged on the surface of this mesh, so as to appear in a longitudinal slot 31 formed in the wall 24 of the cover 20 and cooperate with the visual cues 24a, 24b, 24c formed on the wall 24 of the cover 20, to display the positioning of the mesh and therefore the chosen length adjustment, as represented by the figure 10 . The ends 32 of a bracelet strand, visible on the figure 4 , are attached to the mesh 10, more particularly to the end of its pawl 12, and thus allows the relative movement of this bracelet strand relative to the lid, to thereby adjust the length of the bracelet.

Les figures 7 à 9 illustrent plus particulièrement le fonctionnement du premier réglage de précision. Elles représentent le fermoir en position fermée, avec respectivement trois réglages différents de longueur de bracelet, mis en oeuvre par le positionnement du bec 15 du cliquet 12 dans respectivement les crans 25a à 25c. Comme cela est visible sur ces figures, chaque cran 25a à 25c permet d'obtenir une longueur différente du bracelet puisque les extrémités 32 du brin sont fixées aux deux extrémités du cliquet 12, par un élément de coopération 35. En remarque, les différents crans sont peu espacés, par exemple espacés tous les 2 mm, pour permettre un réglage fin de précision de la longueur du bracelet. Naturellement, tout autre nombre de crans, supérieur ou égal à 2 peut être implémenté, dont l'espacement peut également varier, par exemple de 1 à 5 mm. On remarque que sur cette première course du chariot 11, et donc de la maille 10, de la première position dans le premier cran 25a, représentée par la figure 7, à sa dernière position dans le dernier cran 25c, représentée par la figure 9, l'extrémité 18 des ressorts de traction 16 se déplace d'une extrémité à l'autre de sa lumière de guidage 28. Cette dernière est donc choisie de longueur correspondant à la première course du chariot, elle-même définie par la distance entre les extrémités des crans de réglage 25a à 25c, ce qui permet de maintenir les ressorts de traction 16 au repos pendant toute la mise en oeuvre de ce premier réglage de précision et ainsi de simplifier les manipulations du porteur. De plus, on évite toute fatigue des ressorts de traction 16. Pour chacune des positions de ce premier réglage de précision, on note que la maille 10 qui définit ce réglage est bloquée par l'un des crans. Comme sa libération nécessite l'actionnement du cliquet 12 autour de son axe de liaison 13, il apparaît qu'en position fermée du fermoir, les lames 1, 2 qui viennent recouvrir les éléments de réglage empêchent tout actionnement du cliquet 12 et participent au verrouillage du réglage, comme une sécurité. Toutefois, même lors de l'ouverture du fermoir, le cliquet 12 reste maintenu dans sa position, notamment sous l'action des ressorts de torsion 14. Cette solution présente ainsi l'avantage que le réglage de longueur choisi pour le bracelet n'est pas perdu lors de l'ouverture du fermoir, ce qui permet à un utilisateur de pouvoir enlever et remettre sa montre sans avoir besoin de rechercher de nouveau un réglage précédent.The Figures 7 to 9 in particular illustrate the operation of the first precision adjustment. They represent the clasp in the closed position, with respectively three different settings of strap length, implemented by the positioning of the spout 15 of the pawl 12 in respectively the notches 25a to 25c. As can be seen in these figures, each notch 25a to 25c makes it possible to obtain a different length of the bracelet since the ends 32 of the strand are fixed to the two ends of the pawl 12 by a cooperation element 35. As a remark, the various notches are spaced slightly apart, for example spaced every 2 mm, to allow fine precision adjustment of the length of the bracelet. Of course, any other number of notches greater than or equal to 2 may be implemented, the spacing of which may also vary, for example from 1 to 5 mm. Note that on this first stroke of the carriage 11, and therefore the mesh 10, the first position in the first notch 25a, represented by the figure 7 , at its last position in the last notch 25c, represented by the figure 9 , the end 18 of the traction springs 16 moves from one end to the other of its guiding light 28. This latter is therefore chosen to be the length corresponding to the first stroke of the trolley, itself defined by the distance between the ends of the adjustment notches 25a to 25c, which keeps the traction springs 16 at rest throughout the implementation of this first precision adjustment and thus simplify the handling of the carrier. In addition, fatigue of the tension springs 16 is avoided. For each of the positions of this first precision adjustment, it is noted that the mesh 10 which defines this setting is blocked by one of the notches. As its release requires the actuation of the pawl 12 about its connecting axis 13, it appears that in the closed position of the clasp, the blades 1, 2 which cover the adjustment elements prevent any actuation of the pawl 12 and participate in locking setting, as a security. However, even when opening the clasp, the pawl 12 remains in its position, in particular under the action of the torsion springs 14. This solution thus has the advantage that the length adjustment chosen for the bracelet is not not lost when opening the clasp, which allows a user to be able to remove and return his watch without the need to search again a previous setting.

La mise en oeuvre du réglage de la longueur du bracelet est plus particulièrement représentée par les figures 5 et 6, respectivement en vue de dessous et de côté. Lorsque le fermoir est ouvert, ses deux lames 1, 2 sont écartées du couvercle 20 et permettent un accès au cliquet 12. Ce dernier est pivoté autour de son axe de liaison 13 avec le chariot 11, jusqu'à l'échappement de son bec 15 de l'emprise d'un des crans 25a à 25c. Le chariot 11, et même l'ensemble de la maille 10, est alors mobile relativement au couvercle 20, par le guidage le long des coulisses 30 latérales mentionnées précédemment. Ce mouvement de la maille entraîne dans le même temps les extrémités 32 du brin de bracelet qui lui sont reliées. En remarque, le cliquet 12, et l'extrémité du brin qui lui est reliée, sont orientés dans une direction sensiblement perpendiculaire à la paroi 24 supérieure du couvercle lors de cette phase de réglage, ce qui permet leur préhension manuelle conviviale pour entraîner facilement l'ensemble de la maille 10 en mouvement pour effectuer le réglage. Il n'y a ensuite plus qu'à relâcher le cliquet 12 pour qu'il se repositionne automatiquement vers la paroi 24 du couvercle, en alignement avec le chariot 11, qui reste mobile jusqu'à ce qu'un cran 25a à 25c soit atteint, auquel cas le bec 15 du cliquet s'y loge automatiquement sous l'effet des ressorts de torsion.The setting of the adjustment of the length of the bracelet is more particularly represented by the Figures 5 and 6 , respectively in view from below and from the side. When the clasp is open, its two blades 1, 2 are spaced from the cover 20 and allow access to the pawl 12. The latter is pivoted about its connecting axis 13 with the carriage 11, until the escape of its beak 15 of the grip of one of the notches 25a to 25c. The carriage 11, and even the whole of the mesh 10, is then movable relative to the cover 20, by guiding along the lateral slides 30 mentioned above. This movement of the mesh entails at the same time the ends 32 of the bracelet strand which are connected to it. Note, the pawl 12, and the end of the strand connected thereto, are oriented in a direction substantially perpendicular to the upper wall 24 of the lid during this adjustment phase, which allows their manual gripping user-friendly to easily drive the l all of the mesh 10 moving to make the adjustment. Then there is only to release the pawl 12 so that it automatically repositions itself towards the wall 24 of the cover, in alignment with the carriage 11, which remains mobile until a notch 25a to 25c is reached, in which case the spout 15 of the pawl is automatically housed under the effect of the torsion springs.

Les figures 11 à 13 illustrent plus particulièrement le fonctionnement du second réglage élastique de la longueur du bracelet, par exemple destiné à la pratique de la plongée sous-marine. Lors de ce réglage, la maille 10 occupe une position au-delà de la zone des crans 25a à 25c mentionnée précédemment, en direction de l'extrémité 22 du couvercle, et se déplace sur une seconde course entre cette extrémité 22 et le dernier cran 25c. Le long de cette course de la maille, le bec 15 du cliquet 12 ne coopère plus avec des crans, mais se déplace dans une zone creuse 36 continue de la surface intérieure du couvercle, et la maille 10 est libre de se déplacer par rapport au couvercle 20, selon le guidage des coulisses 30. Elle subit de plus l'effort de rappel élastique des ressorts de traction 16 dont l'extrémité 18 se trouve maintenant en butée sur le couvercle 20.The Figures 11 to 13 illustrate more particularly the operation of the second elastic adjustment of the length of the bracelet, for example intended for the practice of scuba diving. During this adjustment, the mesh 10 occupies a position beyond the zone of notches 25a to 25c mentioned above, towards the end 22 of the lid, and moves on a second stroke between this end 22 and the last notch 25c. Along this race of the mesh, the spout 15 of the pawl 12 no longer cooperates with notches, but moves in a continuous hollow zone 36 of the inner surface of the cover, and the mesh 10 is free to move relative to the cover 20, according to the guide slides 30. It also undergoes the elastic return force of the tension springs 16 whose end 18 is now in abutment on the cover 20.

La figure 11 illustre une première position de la maille à titre d'exemple, permettant d'obtenir la longueur la plus importante du bracelet. Pour cela, la maille se trouve dans sa position la plus proche de l'extrémité 22 du couvercle 20. Cette position est par exemple atteinte lorsqu'un utilisateur dispose sa montre par dessus une combinaison de plongée à la surface de l'eau.The figure 11 illustrates a first position of the mesh as an example, to obtain the largest length of the bracelet. For this, the mesh is in its position closest to the end 22 of the lid 20. This position is for example reached when a user has his watch over a diving suit on the surface of the water.

Ensuite, au fur et à mesure que le plongeur descend en profondeur, la pression induit un rétrécissement de son tour de poignet. Grâce au second dispositif de réglage élastique, la maille se déplace automatiquement sous l'effort de rappel des ressorts de traction 16, qui travaillent en traction sur toute cette seconde course de la maille, de sorte que le bracelet reste en permanence à la longueur du poignet. L'effort de traction des ressorts est défini pour représenter un bon compromis pour atteindre à la fois un bon maintien et un porter confortable de la montre-bracelet. Les figures 12 et 13 illustrent à cet effet deux positions intermédiaires différentes, pour lesquelles la maille 10 s'est déplacée sur sa seconde course sous l'effet des ressorts de traction 16, dans le sens de la réduction de la longueur du bracelet. Cette seconde course se termine lorsque le bec 15 du cliquet 12 vient en butée sur la paroi extérieure du dernier cran 25c appartenant au premier dispositif de réglage de précision, comme représenté par la figure 13. Cette seconde course de la maille peut être de l'ordre de 15 mm, de préférence entre 10 et 20 mm, voire entre 5 et 25 mm. En remarque, dans la position représentée par la figure 13 de ce second réglage, les ressorts de traction 16 sont en très légère extension selon ce mode de réalisation.Then, as the diver descends in depth, the pressure induces a narrowing of his wrist. Thanks to the second elastic adjustment device, the mesh automatically moves under the return force of the traction springs 16, which work in traction over the entire second race of the mesh, so that the bracelet remains permanently at the length of the wrist. The tensile force of the springs is defined to represent a good compromise to achieve both a good support and a comfortable wearing of the wristwatch. The Figures 12 and 13 illustrate for this purpose two different intermediate positions, for which the mesh 10 has moved on its second race under the effect of the springs traction 16, in the direction of reducing the length of the bracelet. This second race ends when the spout 15 of the pawl 12 abuts on the outer wall of the last notch 25c belonging to the first precision adjustment device, as represented by FIG. figure 13 . This second race of the mesh may be of the order of 15 mm, preferably between 10 and 20 mm, or even between 5 and 25 mm. As a remark, in the position represented by figure 13 of this second adjustment, the traction springs 16 are in very slight extension according to this embodiment.

Finalement, comme cela a été explicité, le fermoir selon le mode de réalisation de l'invention présente l'avantage de cumuler deux fonctions de réglage différentes et complémentaires, à l'aide de deux dispositifs de réglage, offrant une plage d'utilisation très large et conviviale de la montre bracelet. Dans le mode de réalisation décrit, les deux dispositifs de réglage comprennent certains composants en commun et d'autres distincts. Le fermoir comprend de plus une première fixation initiale conventionnelle du bracelet, avant la mise en oeuvre des deux réglages décrits en détail ci-dessus.Finally, as has been explained, the clasp according to the embodiment of the invention has the advantage of combining two different and complementary adjustment functions, using two adjustment devices, offering a very wide range of use. Wide and user-friendly wristwatch. In the embodiment described, the two adjustment devices comprise certain components in common and other distinct. The clasp further comprises a first conventional initial attachment of the bracelet, before the implementation of the two settings described in detail above.

Naturellement, un grand nombre des composants de ces dispositifs de réglage pourraient se présenter différemment. Par exemple, la maille pourrait prendre une autre forme, son chariot pourrait se déplacer selon une mobilité différente et/ou par des moyens de coopération différents avec le couvercle. De plus, le cliquet peut présenter toute autre forme, comme un simple levier. De même, la coopération bec/cran a été illustrée à titre d'exemple mais toute autre liaison équivalente peut être envisagée, comme de type dent/crémaillère, plot/ouverture, etc. La maille peut comprendre tout élément élastique tendant à plaquer un élément de fixation de la maille vers un élément de fixation complémentaire agencé sur le fermoir. De plus, les ressorts de torsion 14 et les ressorts de traction 16 pourraient être remplacés par tout autre élément élastique équivalent. L'élément élastique participant à l'effort de rappel de la maille le long de sa seconde course, pour la mise en oeuvre du second réglage élastique, peut être fixé différemment. Notamment, sa première extrémité pourrait être fixe, non mobile, selon une exécution simplifiée. D'une manière générale, l'architecture du fermoir lui-même peut être différente.Of course, many of the components of these adjusters may be different. For example, the mesh could take another form, its carriage could move with different mobility and / or by different means of cooperation with the lid. In addition, the ratchet can have any other form, such as a simple lever. Similarly, the beak / notch cooperation has been illustrated by way of example but any other equivalent connection can be envisaged, such as tooth / rack, stud / opening, etc. The mesh may comprise any elastic element tending to press a fastener of the mesh towards a complementary fastening element arranged on the clasp. In addition, the torsion springs 14 and the traction springs 16 could be replaced by any other equivalent elastic element. The elastic element participating in the effort to return the mesh along its second race, for the implementation of the second elastic adjustment, can be set differently. In particular, its first end could be fixed, non-moving, according to a simplified execution. In general, the architecture of the clasp itself may be different.

L'invention a été illustrée à partir d'un bracelet associé à une montre-bracelet, qui est d'ailleurs aussi concernée en tant que telle par cette invention. En variante, le fermoir peut être associé à tout autre bracelet, pour tout objet à fixer sur un poignet ou toute autre partie. Cet objet peut être un accessoire de plongée sous-marine tel un profondimètre ou un ordinateur de plongée sous-marine par exemple, ou encore un composant de joaillerie.The invention has been illustrated from a bracelet associated with a wristwatch, which is also concerned as such by this invention. Alternatively, the clasp can be associated with any other bracelet, for any object to be fixed on a wrist or any other part. This object can be a scuba diving accessory such as a depth gauge or a scuba diving computer, for example, or a jewelery component.

Claims (16)

  1. A wrist-band clasp including two cooperation elements (6, 35) intended to be connected with two respective ends of two separate parts of a wrist-band, this clasp including a first device for precise adjustment of the length of the wrist-band and a second device for adjustment, characterized in that the second device for elastic adjustment of the length of the wrist-band is elastic and in that the wrist-band clasp includes a mobile link (10) to which is rigidly fastened a cooperation element (35) for fixing a wrist-band part, this link (10) having a first travel relative to the clasp during which it can be rigidly fastened to the clasp at a plurality of different fixing points enabling execution of the precision first adjustment, and this link having a second travel relative to the clasp over which it is subjected to the tension force of an elastic element (16) that enables permanent elastic retention of the wrist-band around the wrist and automatic movement by spring return of the link (10) to execute the elastic second adjustment.
  2. A wrist-band clasp as claimed in the preceding claim, characterized in that the mobile link (10) includes a carriage (11) mobile relative to the clasp and a catch (12) mobile relative to the carriage so that it can occupy a closed position in which the link (10) is adapted to be fixed to the clasp during its first travel and an open position in which the link (10) is always mobile relative to the clasp.
  3. A wrist-band clasp as claimed in claim 1 or 2, characterized in that the mobile link (10) includes a carriage (11) mobile relative to the clasp and a catch (12) mobile relative to the carriage so that it can occupy a closed position in which the link (10) is able to move relative to the clasp during its second travel.
  4. A wrist-band clasp as claimed in claim 2 or 3, characterized in that the catch (12) of the link (10) includes a fixing element (15) of tip, tooth, stud, opening or notch type that enables cooperation with a complementary fixing element provided on the clasp in its closed position and/or in that the catch (12) of the link (10) is rotatable on the carriage (11) and/or in that the link (10) includes an elastic element tending to press a fixing element of the link toward a complementary fixing element provided on the clasp.
  5. A wrist-band clasp as claimed in any one of claims 1 to 4, characterized in that the link (10) includes an element for fixing it to the clasp during the first travel of the link that forms an abutment for the link relative to the clasp during its second travel.
  6. A wrist-band clasp as claimed in any one of claims 1 to 5, characterized in that the link is connected to the clasp by an elastic connection, this elastic connection including a first mobile connection on the clasp and a second connection with the link.
  7. A wrist-band clasp as claimed in the preceding claim, characterized in that the mobile first connection of the elastic connection is obtained by movement of a pin rigidly fastened to the elastic connection in a slide or groove of the clasp to define a range of movement.
  8. A wrist-band clasp as claimed in the preceding claim, characterized in that the range of movement of the elastic connection corresponds to the movement of the link (10) over its first travel and in that this mobile first connection of the elastic connection comes to abut against and remains fixed to the clasp during the movement of the link over its second travel, during which the elastic connection is stretched and exerts a return force on the link.
  9. A wrist-band clasp as claimed in any one of claims 6 to 8, characterized in that said elastic connection includes one or more tension springs (16).
  10. A wrist-band clasp as claimed in any one of claims 1 to 9, characterized in that the link (10) is mobile inside a cover (20) of the clasp in guide elements (30) of slide or groove type provided in lateral rims (23) of the cover.
  11. A wrist-band clasp as claimed in any one of claims 1 to 9, characterized in that the link (10) includes an indicator (19) visible via an opening (31) in the clasp to indicate its position.
  12. A wrist-band clasp as claimed in any one of the preceding claims, characterized in that it includes at least two articulated blades (1, 2), in that the clasp is adapted to be connected to two ends of wrist-band parts, the latter being a first distance apart in a closed configuration of the clasp and a greater second distance apart in an open second configuration of the clasp, enabling removal of a wristwatch from a wrist or placing thereof thereon.
  13. A wrist-band clasp as claimed in any one of the preceding claims, characterized in that the device for the precision first adjustment of the length of the wrist-band remains stable during opening of the clasp and/or is locked by closing the clasp.
  14. A wrist-band clasp as claimed in any one of the preceding claims, characterized in that the device for the elastic second adjustment of the length of the wrist-band is suitable for diving.
  15. A wrist-band comprising two parts, characterized in that these two parts are connected to a clasp as claimed in any one of the preceding claims.
  16. A wristwatch characterized in that it includes a clasp as claimed in any one of claims 1 to 14 connected to its wrist-band.
EP11405374.7A 2011-12-22 2011-12-22 Clasp with different bracelet length settings Active EP2606762B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11405374.7A EP2606762B1 (en) 2011-12-22 2011-12-22 Clasp with different bracelet length settings
JP2012275289A JP6289806B2 (en) 2011-12-22 2012-12-18 Clasps with different wristband length adjustment mechanism
US13/722,215 US9049906B2 (en) 2011-12-22 2012-12-20 Clasp with different wrist-band length adjustments
CN201210599089.9A CN103169209B (en) 2011-12-22 2012-12-21 There is the clip of different watchband length adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11405374.7A EP2606762B1 (en) 2011-12-22 2011-12-22 Clasp with different bracelet length settings

Publications (2)

Publication Number Publication Date
EP2606762A1 EP2606762A1 (en) 2013-06-26
EP2606762B1 true EP2606762B1 (en) 2015-08-12

Family

ID=45464408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11405374.7A Active EP2606762B1 (en) 2011-12-22 2011-12-22 Clasp with different bracelet length settings

Country Status (4)

Country Link
US (1) US9049906B2 (en)
EP (1) EP2606762B1 (en)
JP (1) JP6289806B2 (en)
CN (1) CN103169209B (en)

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CN113037313B (en) * 2021-03-16 2022-08-12 歌尔科技有限公司 Wrist strap control method, device and system of wrist strap equipment
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Also Published As

Publication number Publication date
EP2606762A1 (en) 2013-06-26
CN103169209A (en) 2013-06-26
US9049906B2 (en) 2015-06-09
CN103169209B (en) 2015-10-07
US20130160255A1 (en) 2013-06-27
JP2013132555A (en) 2013-07-08
JP6289806B2 (en) 2018-03-07

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