EP3329796A1 - Device for adjusting the comfort of the length of a bracelet - Google Patents
Device for adjusting the comfort of the length of a bracelet Download PDFInfo
- Publication number
- EP3329796A1 EP3329796A1 EP16202133.1A EP16202133A EP3329796A1 EP 3329796 A1 EP3329796 A1 EP 3329796A1 EP 16202133 A EP16202133 A EP 16202133A EP 3329796 A1 EP3329796 A1 EP 3329796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- length
- bracelet
- axis
- adjusting
- mesh
- 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.)
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- 230000001939 inductive effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 210000000707 wrist Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229910052737 gold Inorganic materials 0.000 description 1
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
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Images
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
- the present invention relates to a comfort adjustment device of the length of a bracelet, particularly suitable for an arrangement within a folding clasp disposed between two ends of the bracelet. It also relates to a clasp and a bracelet as such, incorporating such a length adjustment device, as well as a wristwatch as such comprising such a device.
- a clasp is generally provided with a first adjustment of its positioning relative to a bracelet, in particular to a strand of the bracelet, said conventional adjustment, which allows a first adjustment of the length of the bracelet, especially during the assembly operation of the bracelet.
- the final length obtained for the bracelet may not be optimal.
- the adjustment link comprises two parallel transverse axes: the first transverse axis is intended for attachment to the clasp, to guide the pivoting of the adjustment link relative to the clasp, and the second transverse axis is intended for a link articulated with an end mesh of the bracelet.
- the first transverse axis is intended for attachment to the clasp, to guide the pivoting of the adjustment link relative to the clasp
- the second transverse axis is intended for a link articulated with an end mesh of the bracelet.
- the purpose of the invention is generally to provide a fine or even very fine adjustment solution for the length of a bracelet, while optimizing the two guiding and fastening functions involved.
- a first object of the invention is to provide a guiding and hooking solution for a bracelet that allows the implementation a very small adjustment function of the length of a bracelet.
- a second object of the invention is to provide a solution for adjusting the length of a bracelet whose operation is reliable and user-friendly handling.
- a third object of the invention is to provide a solution for adjusting the length of a bracelet ensuring the aesthetic integrity of a bracelet.
- the invention is based on a device for adjusting the length of a bracelet, characterized in that it comprises at least one adjustment mesh mounted to rotate about a first axis, the adjustment mesh being linked to an end mesh of a bracelet by a connecting pin, so that the end mesh can occupy two positions, each of these two positions respectively corresponding to a short and long configuration of the length of the bracelet, and characterized in that the device for adjusting the length of a bracelet comprises an elastic hooking device, so as to elastically hook between them the at least one adjustment mesh and the end mesh in a short configuration, in which the resilient hooking device is arranged around a third axis not aligned with the first axis.
- the embodiment of the invention is based on a device for adjusting the length of a bracelet, in particular a device for adjusting the length of a bracelet within a clasp, as represented by the figure 1 .
- a device for adjusting the length of a bracelet requires the implementation of guiding and latching functions, and comprises at least one guiding device and an elastic attachment device.
- the end 1 b of a strand of bracelet is connected to a device for adjusting the length of a bracelet, intended for a comfort adjustment of the length of the bracelet: it is therefore shaped to allow a low amplitude adaptation of the length of the bracelet, in addition to a conventional initial setting, as explained above.
- This embodiment is integrated in a clasp 2 with folding blades, comprising two blades 2a, 2b, articulated to one another about an axis 3.
- One of these blades, the blade 2a is hinged to a first end 1a of a bracelet 1, while the other end 1b of this bracelet is articulated to a cover 24 of the clasp provided with two parallel side walls 2c1, 2c2, forming a cover under which the blades 2a, 2b, fold back in the closed position of the clasp.
- the two parallel side walls 2c1, 2c2, of this cover 24 have respective bores 4 which face each other in pairs, and which are intended to receive a pivot axis for adjustment meshes, as will be detailed below. .
- the two parallel side walls 2c1, 2c2 of this cover 24 can also have two sets of respective bores 4 facing each other in pairs to allow a conventional initial setting, as explained above.
- the device for adjusting the length of the bracelet according to this embodiment of the invention is therefore arranged at the second end 1b of the bracelet, at least partially inside the cover 24 of a clasp. It comprises first a hinge axis for adjustment meshes 23, 23 'arranged under the cover 24 of the clasp. These same adjustment meshes 23, 23 'are linked by a connecting pin 26, around which is mounted rotatably an end mesh 25 present at the end 1b of the bracelet 1.
- the figure 2 illustrates this arrangement at the end 1b of the bracelet in long configuration.
- the adjustment meshes 23, 23 ' are positioned so that the connecting axis 26 is oriented towards the outside of the cover 24 of the clasp with respect to a first axis A1 around which the adjustment meshes 23, 23' are hinged.
- the end mesh 25 extends between this connection axis 26 with which it is connected at its first end to two adjustment meshes 23, 23 'laterally and another axis 27 towards its second end, to which is connected the rest of the bracelet, including a strand of bracelet.
- the figure 3 illustrates the same arrangement during actuation, to pass including the previous long configuration to the short configuration.
- the adjustment meshes 23, 23 ' are actuated in rotation about the first axis A1.
- This rotation drives the connecting axis 26 around this first axis A1, towards the inside of the lid of the clasp, causing the end mesh 25 towards the inside of the lid, while inducing a reduction in the length of the bracelet 1
- This rotation of the adjustment meshes 23, 23 ' is continued over approximately one half-turn until the short configuration is reached.
- the device for adjusting the length of the bracelet requires the implementation of a first function of articulation of the adjustment meshes 23, 23 'and a second function of elastic fastening allowing the maintenance stable of the short configuration mentioned above, to hang between them the end mesh 25 and the adjustment mesh 23, 23 ', as will be detailed later.
- the figures 4 and 5 represent the arrangement of the device for adjusting the length of the bracelet by a sectional view along a transverse longitudinal plane at the first axis A1 of the device for adjusting the length of the bracelet.
- the device for adjusting the length of the bracelet comprises first a substantially cylindrical bar 12, 12 ', arranged within each adjustment mesh 23, 23', to form a device for guiding each mesh, in particular to form a device guiding rotation of each mesh.
- Each bar 12, 12 ' is here identical and symmetrically arranged on both sides of the clasp, within each adjustment mesh 23, 23' positioned laterally, in particular within bores 230, 230 'of each adjustment mesh. 23, 23 '.
- the bar 12 extends transversely around the first axis A1. It comprises a hollow shaft 14 which comprises a first end forming a pin 18 positioned in a bore 4 of a side wall 2c1 of the cover 24 of the clasp.
- the axis 14 comprises a portion towards its second end, whose peripheral surface 13 forms a pivoting guide surface of the adjustment mesh 23.
- the adjustment mesh 23 is thus rotatable about the first axis A1 relative to the clasp 24 and this rotation is guided by the bar 12, particularly the peripheral surface 13 of the axis 14.
- a holding spring 15, in particular a helical holding spring 15, in a compressed configuration, is housed in a bore of the axis 14 which is formed at the second end of the axis 14.
- This helical holding spring 15 makes it possible to implement a removable guide connection of the mesh 23 relatively to the cover 24. More particularly, it allows to implement a retractable axis 14, the pin 18 can be retracted from the bore 4 of the cover 24, for example by means of a dedicated tool that can act on the axis 14 through an opening 2300 of the mesh 23 during an operation of re-dressing the bracelet. Moreover, this helical support spring 15 ensures a function of maintaining the adjustment mesh 23 relative to the clasp 24, limits its movements, as vibrations, which could exist because of construction games.
- the device for adjusting the length of the bracelet comprises a bar 32, arranged within the end mesh 25, to form an elastic fastening device.
- the bar 32 here extends transversely over the entire width of the end mesh 25, in a bore provided for this purpose. It may, for example, be driven within a bore of the end mesh 25.
- the bar 32 has a hollow pin 33, incorporating a helical spring 35, in prestressed configuration. This helical spring 35 cooperates with two balls 36, 36 ', disposed at both ends of the shaft 33, positioned partially within the hollow volume of the shaft 33, in a movable manner, and projecting out of the 33, at each lateral end of the end mesh 25.
- the balls 36, 36 ' can be replaced by pads or any other component whose geometry is adapted to form an appropriate interface between a spring and a notch.
- the positions of the balls 36, 36 ' are delimited by stops formed by the axis 33 at each of its ends.
- the balls 36, 36 ' may be positioned projecting outside the axis 33 without leaving their housing within the hollow volume of the axis 33.
- the figure 4 represents the clasp in short configuration.
- the two balls 36, 36 'of the end mesh 25 are housed in a notch 16, 16' respectively arranged in each side wall of the adjustment meshes 23, 23 '.
- These notches 16, 16 ' may for example take the form of a cutout defined by one or more sidewalls inclined vis-à-vis the side walls of the adjustment meshes 23, 23'.
- the balls 36, 36 ' are slightly pushed by the notches 16, 16' towards the inside of the bar 32, against the force of the helical spring 35, which thus exerts a holding force and ensures the hooking stable end stitch 25 and adjustment meshes 23, 23 '.
- the helical holding springs 15, 15 'of the bars 12, 12' exert a thrust on the adjustment meshes 23, 23 'tending to push the notches 16, 16' against the balls 36, 36 ', inducing an effect complementary elastic hooking.
- these helical holding springs 15, 15 ' are optional, the elastic coupling function could be implemented satisfactorily without their presence.
- the actuation of the device for adjusting the length of the bracelet to move the bracelet of its short configuration, represented by the figure 4 , in its long configuration, represented by the figure 5 comprises an initial phase of release of the latching mesh 25 by a force according to a predetermined force exerted by the user to overcome the latching forces of the meshes 23, 25 in the latching position.
- This force induces the displacement of the balls 36, 36 'inside the bore of the end mesh 25, against the force of the helical spring 35 which is compressed.
- the user causes the pivoting of the adjustment meshes 23 around the first axis A1, until that the connecting axis 26 between the adjustment meshes 23 and the end mesh 25 makes about a half turn around the first axis A1.
- Both figures 4 and 5 illustrate that the length of the bracelet can be modified by a value substantially corresponding to twice the distance between the center of the connection axis 26 and the first axis A1, between the two short and long configurations described above.
- the connecting axis 26 extends along a second transverse axis A2, parallel to the first axis A1.
- the notches 16, 16 'of the respective lateral walls of the adjustment meshes 23, 23' are arranged around a third transverse axis A3 passing through their center.
- This third transverse axis A3 is slightly offset from the first axis A1 around which the pivoting of these adjustment meshes 23 is arranged.
- the third axis A3 is therefore not aligned with the first axis A1.
- this offset of the two axes A1, A3 is of the order of 0.5 mm, or is between 0.1 and 2 mm inclusive.
- the fastening device arranged within the end mesh 25 cooperates with the notches 16, 16 'and also extends transversely along the third axis A3.
- this third axis A3 is disposed on the outer side of the clasp 24 relative to the first axis A1, in contrast to the second axis A2 about which the connection axis 26 is arranged between the adjustment meshes 23 and the end mesh 25.
- the construction requirements impose a minimum distance between the axes A3 and A2, to integrate the parallel arrangement on the one hand of the connection axis 26 and the other part of the hooking device, in particular of the bar 32.
- the third axis A3 is not aligned with the first axis A1, it is offset out of the cover 24 in the short configuration of the bracelet, the second axis A2 is closer to the first axis A1 only in a solution in which the two axes A1, A3 would be aligned.
- this offsetting or shift of axes A1, A3 makes it possible to bring the connection axis 26 closer to the end mesh 25 of the wristband of the axis of rotation of the adjustment meshes 23, relative to the solutions of the state. of the technique, which reduces the length adjustment range offered by this solution. It is thus possible to achieve a length of adjustment less than or equal to 4 mm, or even less than or equal to 3 mm.
- the device for adjusting the length of the bracelet includes two separate devices, respectively guide and hooking.
- the guiding device comprises the bar 12, and more precisely at least a portion of the peripheral surface 13 of the axis 14, as well as possibly the first end of the axis 14.
- the attachment device comprises in particular the bar 32 which comprises the axis 33, the coil spring 35 and the balls 36, 36 '. The two guiding and hooking functions are thus provided independently between them.
- the elastic attachment function is based on an elastic deformation of at least one spring component, independently of the guide device, that is to say that this deformation has no impact on the components participating in the guidance function. This makes it possible to fulfill the function of elastic fastening reliably and repeatedly over time, independently of any variations in the guiding device.
- the elastic attachment function is also independent of the materials used for the adjustment meshes and the end mesh.
- the holding force is defined solely by the elastic deformation of the spring 35, without risk of plastic deformation or notches, nor risk of bending of the bar 12 of the guide device.
- the holding force generated by the snap function is constant over time, regardless of the bracelet used.
- the links of the bracelet cooperating with the guide and fastening system, in particular the adjustment mesh or meshes and the end mesh may be made of 904L steel, gold or platinum.
- the bar 12 of the guiding device may be in a 904L steel or gold-type material.
- the springs 15, 35 may be in a Nivaflex® type spring material, or in a superelastic nickel-titanium alloy such as Nitinol.
- the two guiding and hooking devices of the wrist length adjustment device are combined with each other so as to form a compact device, with minimal space requirements, and which does not detract from the aesthetic appearance of the clasp. of the bracelet.
- This small space comes in particular from their slight offset in the attachment position, the offset (between the axes A1, A3) being less than or equal to 2 mm. They also allow to be assembled and integrated easily within the bracelet.
- the invention is therefore based on the optimal arrangement of an elastic coupling device, in combination with a guiding device, to obtain a compact assembly allowing the definition of performance and improved aesthetic results, while optimizing, including minimizing, the amplitude of adjustment of the length of the bracelet.
- the guiding and / or hooking devices could have other geometries. For example, they may not have axial symmetry. These two devices can be combined according to an arrangement disposed within the same first element, for example a first guide mesh.
- the bar 32 of the hooking device could be arranged within a control mesh, comprising a ball that cooperates elastically with a single notch arranged in a sidewall of the end mesh of the bracelet.
- one or two guiding and hooking devices were used with two control meshes: alternatively, a different number of guiding and / or hooking devices could be used, as well as a different number mesh of adjustment.
- the embodiment proposes a complementary adjustment, by means of several bores 4 arranged longitudinally in the cover 24, all adapted to receive the first axis A1 of rotation of the adjustment meshes.
- the choice of fixing bores of the adjustment mesh forms a first length adjustment, complementary to the comfort setting described above.
- the vertical walls may comprise one or more slides, and the tenon of the adjustment meshes may cooperate with one or more pads arranged in these slides to favor the longitudinal sliding of the meshs of adjustment.
- the guiding device arranged within a mesh can fulfill the function of guiding the pivoting of the mesh, as explained above, and the second longitudinal guide function of the mesh relative to the clasp.
- resilient attachment device a device which comprises at least one spring element, which is deformed to hang one or more other component (s), reversibly resilient manner.
- This elastic attachment can be practiced against a bracelet mesh, said mesh participating passively (without deformation) to the attachment.
- This elastic attachment can be practiced against a fixed part of a bracelet or a clasp.
- guiding device a device provided with at least one means, including a surface, for guiding a component relative to a separate component.
- This guidance may be a rotation and / or a displacement in a groove. It can be implemented with a bracelet mesh, in particular an adjustment mesh, and / or a clasp.
- the guiding and hooking arrangement is associated with a device for adjusting the length of a bracelet within a clasp, as described above.
- a control mesh and possibly at least a portion of an end mesh is disposed under a lid formed by the clasp, this mechanism thus remaining hidden.
- the clasp can be of different types, with two or three folding blades.
- the guide and hooking arrangement could be simply associated with a blade of a clasp, and allow the articulation and attachment of this blade.
- the guide and hooking arrangement can thus be implemented for any system linked to a bracelet requiring variations in geometry.
- the guide and hooking arrangement could be associated with a mesh or a bracelet link, regardless of its position relative to the clasp.
- the invention also relates to a bracelet and / or a clasp and / or a wristwatch, which incorporates (s) at least one device for adjusting the length as described above.
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Abstract
Dispositif de réglage de la longueur d'un bracelet, caractérisé en ce qu'il comprend au moins une maille de réglage (23) montée mobile en rotation autour d'un premier axe (A1), la maille de réglage (23) étant liée à une maille d'extrémité (25) d'un bracelet par un axe de liaison (26), de sorte que la maille d'extrémité (25) peut occuper deux positions, chacune de ces deux positions correspondant respectivement à une configuration courte et longue de la longueur du bracelet, et caractérisé en ce que le dispositif de réglage de la longueur d'un bracelet comprend un dispositif d'accrochage élastique, de sorte à accrocher élastiquement entre elles la au moins une maille de réglage (23) et la maille d'extrémité (25) en configuration courte, dans laquelle le dispositif d'accrochage élastique est agencé autour d'un troisième axe (A3) non aligné avec le premier axe (A1).Device for adjusting the length of a bracelet, characterized in that it comprises at least one adjustment mesh (23) rotatably mounted around a first axis (A1), the adjustment mesh (23) being linked at an end mesh (25) of a bracelet by a connecting pin (26), so that the end mesh (25) can occupy two positions, each of these two positions respectively corresponding to a short configuration and long of the length of the bracelet, and characterized in that the device for adjusting the length of a bracelet comprises an elastic hooking device, so as to hook elastically between them the at least one adjustment mesh (23) and the end mesh (25) in short configuration, wherein the resilient coupling device is arranged around a third axis (A3) not aligned with the first axis (A1).
Description
La présente invention concerne un dispositif de réglage de confort de la longueur d'un bracelet, particulièrement adapté à un agencement au sein d'un fermoir à lames déployantes disposé entre deux extrémités du bracelet. Elle porte aussi sur un fermoir et un bracelet en tant que tels, intégrant un tel dispositif de réglage de longueur, ainsi que sur une montre-bracelet en tant que telle comprenant un tel dispositif.The present invention relates to a comfort adjustment device of the length of a bracelet, particularly suitable for an arrangement within a folding clasp disposed between two ends of the bracelet. It also relates to a clasp and a bracelet as such, incorporating such a length adjustment device, as well as a wristwatch as such comprising such a device.
Il existe plusieurs situations dans lesquelles il est nécessaire de mettre en oeuvre des fonctions de réglage impliquant des fonctions de guidage et d'accrochage au niveau d'un bracelet, notamment de montre-bracelet.There are several situations in which it is necessary to implement adjustment functions involving guiding and hanging functions at the level of a bracelet, especially a wristwatch.
Par exemple, un fermoir est en général doté d'un premier réglage de son positionnement relativement à un bracelet, en particulier à un brin du bracelet, dit réglage conventionnel, qui permet un premier réglage de la longueur du bracelet, notamment lors de l'opération d'assemblage du bracelet. Cependant, la longueur finale obtenue pour le bracelet peut ne pas être optimale.For example, a clasp is generally provided with a first adjustment of its positioning relative to a bracelet, in particular to a strand of the bracelet, said conventional adjustment, which allows a first adjustment of the length of the bracelet, especially during the assembly operation of the bracelet. However, the final length obtained for the bracelet may not be optimal.
Pour cela, des fermoirs existants sont équipés d'une solution permettant la réalisation d'un deuxième réglage de la longueur du bracelet, de faible amplitude, aussi appelé réglage de confort, complémentaire avec le premier réglage conventionnel. Le document
L'invention a pour objectif général d'offrir une solution de réglage fin, voire très fin, de la longueur d'un bracelet, tout en optimisant les deux fonctions de guidage et d'accrochage impliquées.The purpose of the invention is generally to provide a fine or even very fine adjustment solution for the length of a bracelet, while optimizing the two guiding and fastening functions involved.
Plus particulièrement, un premier objet de l'invention est d'offrir une solution de guidage et d'accrochage pour bracelet qui permet la mise en oeuvre d'une fonction de réglage de très petite amplitude de la longueur d'un bracelet.More particularly, a first object of the invention is to provide a guiding and hooking solution for a bracelet that allows the implementation a very small adjustment function of the length of a bracelet.
Un second objet de l'invention est d'offrir une solution de réglage de la longueur d'un bracelet dont le fonctionnement est fiable et la manipulation conviviale.A second object of the invention is to provide a solution for adjusting the length of a bracelet whose operation is reliable and user-friendly handling.
Un troisième objet de l'invention est d'offrir une solution de réglage de la longueur d'un bracelet garantissant l'intégrité esthétique d'un bracelet.A third object of the invention is to provide a solution for adjusting the length of a bracelet ensuring the aesthetic integrity of a bracelet.
A cet effet, l'invention repose sur un dispositif de réglage de la longueur d'un bracelet, caractérisé en ce qu'il comprend au moins une maille de réglage montée mobile en rotation autour d'un premier axe, la maille de réglage étant liée à une maille d'extrémité d'un bracelet par un axe de liaison, de sorte que la maille d'extrémité peut occuper deux positions, chacune de ces deux positions correspondant respectivement à une configuration courte et longue de la longueur du bracelet, et caractérisé en ce que le dispositif de réglage de la longueur d'un bracelet comprend un dispositif d'accrochage élastique, de sorte à accrocher élastiquement entre elles la au moins une maille de réglage et la maille d'extrémité en configuration courte, dans laquelle le dispositif d'accrochage élastique est agencé autour d'un troisième axe non aligné avec le premier axe.For this purpose, the invention is based on a device for adjusting the length of a bracelet, characterized in that it comprises at least one adjustment mesh mounted to rotate about a first axis, the adjustment mesh being linked to an end mesh of a bracelet by a connecting pin, so that the end mesh can occupy two positions, each of these two positions respectively corresponding to a short and long configuration of the length of the bracelet, and characterized in that the device for adjusting the length of a bracelet comprises an elastic hooking device, so as to elastically hook between them the at least one adjustment mesh and the end mesh in a short configuration, in which the resilient hooking device is arranged around a third axis not aligned with the first axis.
L'invention est plus précisément définie par les revendications.The invention is more precisely defined by the claims.
Ces objets, caractéristiques et avantages de l'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 intégrant un dispositif de réglage de la longueur d'un bracelet selon un mode de réalisation de l'invention. - La
figure 2 représente une vue en perspective du fermoir au niveau du dispositif de réglage de la longueur du bracelet en configuration longue selon le mode de réalisation de l'invention. - La
figure 3 représente une vue en perspective du fermoir au niveau du dispositif de réglage de la longueur du bracelet en configuration d'actionnement pour son réglage selon le mode de réalisation de l'invention. - La
figure 4 représente une vue en coupe selon un plan longitudinal du fermoir au niveau du dispositif de réglage de la longueur du bracelet en configuration courte selon le mode de réalisation de l'invention. - La
figure 5 représente une vue en coupe selon un plan longitudinal du fermoir au niveau du dispositif de réglage de la longueur du bracelet en configuration longue selon le mode de réalisation de l'invention.
- The
figure 1 is a perspective view of a clasp incorporating a device for adjusting the length of a bracelet according to one embodiment of the invention. - The
figure 2 represents a perspective view of the clasp at the level of the length adjustment device of the bracelet in long configuration according to the embodiment of the invention. - The
figure 3 represents a perspective view of the clasp at the level of the wrist length adjustment device in the actuation configuration for its adjustment according to the embodiment of the invention. - The
figure 4 is a sectional view along a longitudinal plane of the clasp at the device for adjusting the length of the bracelet in short configuration according to the embodiment of the invention. - The
figure 5 is a sectional view along a longitudinal plane of the clasp at the length adjustment device of the bracelet in long configuration according to the embodiment of the invention.
Pour simplifier la description, nous utiliserons par convention les termes de « direction longitudinale » pour la direction selon la longueur d'un brin de bracelet ou d'un fermoir, et de « direction transversale ou transverse» pour la direction perpendiculaire, dans le plan d'un brin de bracelet (selon sa largeur) ou d'un fermoir. La direction verticale est la direction perpendiculaire aux deux premières directions, orientée perpendiculairement au plan du bracelet. D'autre part, nous utiliserons le terme de « maille » pour un composant élémentaire d'un bracelet, et le terme de « maillon » pour un assemblage de mailles. Par « bracelet », nous désignerons soit le bracelet dans son ensemble, fermoir compris ou non, soit l'un ou l'autre des brins du bracelet. D'autre part, les références utilisées pour désigner des éléments identiques ou similaires ou présentant les mêmes fonctions de références données seront suivies d'un « ' ».To simplify the description, we will use by convention the terms "longitudinal direction" for the direction according to the length of a bracelet strand or a clasp, and "transverse or transverse direction" for the perpendicular direction, in the plane a bracelet strand (depending on its width) or a clasp. The vertical direction is the direction perpendicular to the first two directions, oriented perpendicular to the plane of the bracelet. On the other hand, we will use the term "mesh" for a elementary component of a bracelet, and the term "link" for an assembly of meshes. By "bracelet", we designate either the bracelet as a whole, clasp included or not, or one or the other strands of the bracelet. On the other hand, the references used to designate identical or similar elements or having the same functions of given references will be followed by a "'".
Le mode de réalisation de l'invention repose sur un dispositif de réglage de la longueur d'un bracelet, notamment un dispositif de réglage de la longueur d'un bracelet au sein d'un fermoir, tel que représenté par la
Dans ce mode de réalisation, l'extrémité 1 b d'un brin de bracelet est reliée à un dispositif de réglage de la longueur d'un bracelet, destiné à un réglage de confort de la longueur du bracelet : il est donc conformé pour permettre une adaptation de faible amplitude de la longueur du bracelet, en complément d'un réglage initial conventionnel, comme expliqué précédemment.In this embodiment, the
Ce mode de réalisation est intégré dans un fermoir 2 à lames déployantes, comprenant deux lames 2a, 2b, articulées l'une à l'autre autour d'un axe 3. L'une de ces lames, la lame 2a, est articulée à une première extrémité 1a d'un bracelet 1, tandis que l'autre extrémité 1 b de ce bracelet est articulée à un couvercle 24 du fermoir muni de deux parois latérales parallèles 2c1, 2c2, formant un capot sous lequel les lames 2a, 2b, se replient en position de fermeture du fermoir. Les deux parois latérales parallèles 2c1, 2c2, de ce couvercle 24 comportent des alésages 4 respectifs qui se font face deux à deux, et qui sont destinés à recevoir un axe de pivotement pour des mailles de réglage, comme cela va être détaillé ci-dessous. Les deux parois latérales parallèles 2c1, 2c2, de ce couvercle 24 peuvent également comporter deux séries d'alésages 4 respectifs qui se font face deux à deux pour permettre un réglage initial conventionnel, comme expliqué précédemment.This embodiment is integrated in a
Le dispositif de réglage de la longueur du bracelet selon ce mode de réalisation de l'invention est donc agencé à la deuxième extrémité 1b du bracelet, au moins partiellement à l'intérieur du couvercle 24 d'un fermoir. Il comprend d'abord un axe d'articulation pour des mailles de réglage 23, 23' agencées sous le couvercle 24 du fermoir. Ces mêmes mailles de réglage 23, 23' sont liées par un axe de liaison 26, autour duquel est montée mobile en rotation une maille d'extrémité 25 présente à l'extrémité 1 b du bracelet 1.The device for adjusting the length of the bracelet according to this embodiment of the invention is therefore arranged at the
La
La
Le dispositif de réglage de la longueur du bracelet selon ce mode de réalisation de l'invention nécessite la mise en oeuvre d'une première fonction d'articulation des mailles de réglage 23, 23' et une deuxième fonction d'accrochage élastique permettant le maintien stable de la configuration courte mentionnée précédemment, pour accrocher entre elles la maille d'extrémité 25 et les mailles de réglage 23, 23', comme cela sera détaillé par la suite.The device for adjusting the length of the bracelet according to this embodiment of the invention requires the implementation of a first function of articulation of the
Les
Le dispositif de réglage de la longueur du bracelet comprend d'abord une barrette 12, 12' sensiblement cylindrique, agencée au sein de chaque maille de réglage 23, 23', pour former un dispositif de guidage de chaque maille, notamment pour former un dispositif de guidage en rotation de chaque maille. Chaque barrette 12, 12' est ici identique et symétriquement agencée de part et d'autre du fermoir, au sein de chaque maille de réglage 23, 23' positionnée latéralement, notamment au sein d'alésages 230, 230' de chaque maille de réglage 23, 23'.The device for adjusting the length of the bracelet comprises first a substantially
La barrette 12 s'étend transversalement, autour du premier axe A1. Elle comporte un axe 14 creux qui comprend une première extrémité formant un tenon 18 positionné dans un alésage 4 d'une paroi latérale 2c1 du couvercle 24 du fermoir. L'axe 14 comprend une portion vers sa deuxième extrémité, dont la surface périphérique 13 forme une surface de guidage en pivotement de la maille de réglage 23. La maille de réglage 23 est ainsi mobile en rotation autour du premier axe A1 relativement au fermoir 24 et cette rotation est guidée par la barrette 12, particulièrement la surface périphérique 13 de l'axe 14. Un ressort 15 de maintien, notamment un ressort 15 hélicoïdal de maintien, en configuration comprimée, est logé dans un alésage de l'axe 14 qui est formé au niveau de la deuxième extrémité de l'axe 14. Il s'étend dans la direction transverse, et comprend une première extrémité coopérant avec l'axe et une seconde extrémité coopérant avec la maille de réglage 23. Ce ressort 15 hélicoïdal de maintien permet de mettre en oeuvre une liaison de guidage démontable de la maille 23 relativement au couvercle 24. Plus particulièrement, il permet de mettre en oeuvre un axe 14 escamotable, dont le tenon 18 peut être escamoté de l'alésage 4 du couvercle 24, par exemple par le biais d'un outil dédié pouvant agir sur l'axe 14 au travers d'une ouverture 2300 de la maille 23 lors d'une opération de rhabillage du bracelet. Par ailleurs, ce ressort 15 hélicoïdal de maintien assure une fonction de maintien de la maille de réglage 23 relativement au fermoir 24, limite ses mouvements, comme des vibrations, qui pourraient exister du fait des jeux de construction.The
D'autre part, le dispositif de réglage de la longueur du bracelet comprend une barrette 32, agencée au sein de la maille d'extrémité 25, pour former un dispositif d'accrochage élastique. La barrette 32 s'étend ici transversalement sur toute la largeur de la maille d'extrémité 25, dans un alésage prévu à cet effet. Elle peut, par exemple, être chassée au sein d'un alésage de la maille d'extrémité 25. La barrette 32 comporte un axe creux 33, intégrant un ressort hélicoïdal 35, en configuration précontrainte. Ce ressort hélicoïdal 35 coopère avec deux billes 36, 36', disposées aux deux extrémités de l'axe 33, positionnées en partie au sein du volume creux de l'axe 33, de manière mobile, et en saillie à l'extérieur de l'axe 33, au niveau de chaque extrémité latérale de la maille d'extrémité 25. En remarque, les billes 36, 36' peuvent être remplacées par des plots ou tout autre composant dont la géométrie est adaptée pour constituer une interface adéquate entre un ressort et un cran. Les positions des billes 36, 36' sont délimitées par des butées formées par l'axe 33 au niveau de chacune de ses extrémités. Ainsi, les billes 36, 36' peuvent être positionnées en saillie à l'extérieur de l'axe 33 sans pour autant quitter leur logement au sein du volume creux de l'axe 33.On the other hand, the device for adjusting the length of the bracelet comprises a
La
L'actionnement du dispositif de réglage de la longueur du bracelet pour faire passer le bracelet de sa configuration courte, représentée par la
Les deux
Dans cette solution, on note qu'en position courte, l'axe de liaison 26 s'étend selon un deuxième axe A2 transverse, parallèle au premier axe A1. De plus, les crans 16, 16' des parois latérales respectives des mailles de réglage 23, 23' sont agencés autour d'un troisième axe A3 transverse, passant par leur centre. Ce troisième axe A3 transverse est légèrement décalé du premier axe A1 autour duquel est agencé le pivotement de ces mailles de réglage 23. Le troisième axe A3 est donc non aligné avec le premier axe A1. Selon le mode de réalisation, ce décalage des deux axes A1, A3 est de l'ordre de 0.5 mm, voire est compris entre 0.1 et 2 mm inclus.In this solution, it is noted that in short position, the connecting
De plus, dans la configuration courte, illustrée par la
Ainsi, ce désaxage ou décalage d'axes A1, A3 permet de rapprocher l'axe de liaison 26 de la maille d'extrémité 25 du bracelet de l'axe de rotation des mailles de réglage 23, par rapport aux solutions de l'état de la technique, ce qui réduit l'amplitude de réglage de longueur offerte par cette solution. Il est ainsi possible d'atteindre une longueur de réglage inférieure ou égale à 4 mm, voire inférieure ou égale à 3 mm.Thus, this offsetting or shift of axes A1, A3 makes it possible to bring the
Comme cela ressort de la description précédente, le dispositif de réglage de la longueur du bracelet réunit notamment deux dispositifs distincts, respectivement de guidage et d'accrochage. Le dispositif de guidage comprend la barrette 12, et plus précisément au moins une partie de la surface périphérique 13 de l'axe 14, ainsi qu'éventuellement la première extrémité de l'axe 14. Le dispositif d'accrochage comprend notamment la barrette 32 qui comporte l'axe 33, le ressort hélicoïdal 35 et les billes 36, 36'. Les deux fonctions de guidage et d'accrochage sont ainsi assurées de manière indépendante entre elles.As is apparent from the previous description, the device for adjusting the length of the bracelet includes two separate devices, respectively guide and hooking. The guiding device comprises the
Comme cela ressort de la description précédente, l'indépendance des fonctions de guidage et d'accrochage est obtenue par la séparation physique de composants mettant en oeuvre ces deux fonctions. En effet, de tels composants sont distincts, ce qui permet de choisir des matériaux différents et optimisés pour remplir chaque fonction, et de remplir chaque fonction sans subir l'influence des composants utilisés pour satisfaire l'autre fonction.As is apparent from the previous description, the independence of the guiding and latching functions is obtained by the physical separation of components implementing these two functions. In fact, such components are distinct, which makes it possible to choose different and optimized materials to fulfill each function, and to fulfill each function without being influenced by the components used to satisfy the other function.
Ainsi, la fonction d'accrochage élastique repose sur une déformation élastique d'au moins un composant ressort, de manière indépendante du dispositif de guidage, c'est-à-dire que cette déformation n'a pas d'impact sur les composants participant à la fonction de guidage. Cela permet de remplir la fonction d'accrochage élastique de manière fiable et répétée dans le temps, indépendamment des éventuelles variations du dispositif de guidage.Thus, the elastic attachment function is based on an elastic deformation of at least one spring component, independently of the guide device, that is to say that this deformation has no impact on the components participating in the guidance function. This makes it possible to fulfill the function of elastic fastening reliably and repeatedly over time, independently of any variations in the guiding device.
De manière complémentaire, la fonction d'accrochage élastique est aussi indépendante des matériaux employés pour les mailles de réglage et la maille d'extrémité. La force de tenue est définie uniquement par la déformation élastique du ressort 35, sans risque de déformation plastique du ou des crans, ni risque de mise en flexion de la barrette 12 du dispositif de guidage. Ainsi, la force de tenue générée par la fonction d'accrochage est constante dans le temps, quel que soit le bracelet utilisé. A titre d'exemple, les mailles du bracelet coopérant avec le système de guidage et d'accrochage, notamment la ou les mailles de réglage et la maille d'extrémité, peuvent être en acier 904L, en or, ou encore en platine.In a complementary manner, the elastic attachment function is also independent of the materials used for the adjustment meshes and the end mesh. The holding force is defined solely by the elastic deformation of the
A titre d'exemple, la barrette 12 du dispositif de guidage peut se trouver dans un matériau de type acier 904L ou en or. Les ressorts 15, 35 peuvent se trouver dans un matériau ressort de type Nivaflex®, ou encore en un alliage super élastique de nickel et de titane tel que le Nitinol.By way of example, the
De plus, les deux dispositifs de guidage et d'accrochage du dispositif de réglage de la longueur de bracelet sont combinés entre eux de sorte à former un dispositif compact, d'encombrement minimal, et qui ne nuit pas à l'esthétique du fermoir ou du bracelet. Ce faible encombrement provient notamment de leur léger décalage dans la position d'accrochage, le désaxage (entre les axes A1, A3) étant inférieur ou égal à 2 mm. Ils permettent par ailleurs d'être assemblés et intégrés facilement au sein du bracelet.In addition, the two guiding and hooking devices of the wrist length adjustment device are combined with each other so as to form a compact device, with minimal space requirements, and which does not detract from the aesthetic appearance of the clasp. of the bracelet. This small space comes in particular from their slight offset in the attachment position, the offset (between the axes A1, A3) being less than or equal to 2 mm. They also allow to be assembled and integrated easily within the bracelet.
Finalement, l'invention repose donc sur l'agencement optimal d'un dispositif d'accrochage élastique, de manière combinée à un dispositif de guidage, pour obtenir un ensemble compact permettant la définition de performances et de résultats esthétiques améliorés, tout en optimisant, notamment en minimisant, l'amplitude de réglage de la longueur du bracelet.Finally, the invention is therefore based on the optimal arrangement of an elastic coupling device, in combination with a guiding device, to obtain a compact assembly allowing the definition of performance and improved aesthetic results, while optimizing, including minimizing, the amplitude of adjustment of the length of the bracelet.
Naturellement, les agencements précédents ont été décrits à titre d'exemples de réalisation, et d'autres architectures sont imaginables sans sortir du cadre de l'invention. Notamment, les dispositifs de guidage et/ou d'accrochage pourraient présenter d'autres géométries. Par exemple, ils pourraient ne pas présenter une symétrie axiale. Ces deux dispositifs peuvent être combinés selon un agencement disposé au sein d'un même premier élément, par exemple une première maille de guidage. Par exemple, la barrette 32 du dispositif d'accrochage pourrait être agencée au sein d'une maille de réglage, comprenant une bille qui coopérerait de manière élastique avec un seul cran agencé dans un flanc de la maille d'extrémité du bracelet. D'autre part, un ou deux dispositifs de guidage et d'accrochage ont été utilisés avec deux mailles de réglage : en variante, un nombre différent de dispositifs de guidage et/ou d'accrochage pourrait être utilisé, ainsi qu'un nombre différent de mailles de réglage.Naturally, the preceding arrangements have been described as exemplary embodiments, and other architectures are conceivable without departing from the scope of the invention. In particular, the guiding and / or hooking devices could have other geometries. For example, they may not have axial symmetry. These two devices can be combined according to an arrangement disposed within the same first element, for example a first guide mesh. For example, the
En complément, le mode de réalisation propose un réglage complémentaire, par l'intermédiaire de plusieurs alésages 4 agencés longitudinalement dans le couvercle 24, tous aptes à recevoir le premier axe A1 de rotation des mailles de réglage. Ainsi, le choix des alésages de fixation des mailles de réglage forme un premier réglage de longueur, complémentaire du réglage de confort décrit ci-dessus. Pour faciliter le réglage longitudinal des mailles de réglages, dans les différents alésages ou tout autre logement prévu, les parois verticales peuvent comprendre une ou plusieurs glissières, et le tenon des mailles de réglages peut coopérer avec un ou plusieurs patins agencés dans ces glissières pour favoriser le glissement longitudinal des mailles de réglage. Dans un tel cas, le dispositif de guidage agencé au sein d'une maille peut remplir la fonction de guidage du pivotement de la maille, comme explicité précédemment, et la seconde fonction de guidage longitudinal de la maille relativement au fermoir.In addition, the embodiment proposes a complementary adjustment, by means of
Dans toutes les réalisations, nous entendons par dispositif d'accrochage élastique un dispositif qui comprend au moins un élément ressort, qui se déforme pour accrocher un ou plusieurs autres composant(s), de manière réversible élastiquement. Cet accrochage élastique peut être pratiqué à l'encontre d'une maille de bracelet, ladite maille participant de manière passive (sans déformation) à l'accrochage. Cet accrochage élastique peut être pratiqué à l'encontre d'une partie fixe d'un bracelet ou d'un fermoir.In all embodiments, we mean by resilient attachment device a device which comprises at least one spring element, which is deformed to hang one or more other component (s), reversibly resilient manner. This elastic attachment can be practiced against a bracelet mesh, said mesh participating passively (without deformation) to the attachment. This elastic attachment can be practiced against a fixed part of a bracelet or a clasp.
D'autre part, nous entendons par dispositif de guidage un dispositif doté d'au moins un moyen, notamment une surface, de guidage d'un composant par rapport à un composant distinct. Ce guidage peut être une rotation et/ou un déplacement dans une rainure. Il peut être mis en oeuvre avec une maille de bracelet, en particulier une maille de réglage, et/ou un fermoir.On the other hand, we mean by guiding device a device provided with at least one means, including a surface, for guiding a component relative to a separate component. This guidance may be a rotation and / or a displacement in a groove. It can be implemented with a bracelet mesh, in particular an adjustment mesh, and / or a clasp.
Avantageusement, l'agencement de guidage et d'accrochage est associé à un dispositif de réglage de la longueur d'un bracelet au sein d'un fermoir, tel que décrit précédemment. Avantageusement, une maille de réglage et éventuellement au moins une partie d'une maille d'extrémité se trouve disposée sous un couvercle formé par le fermoir, ce mécanisme restant ainsi caché. Le fermoir peut être de différents types, à deux ou trois lames déployantes. En variante, l'agencement de guidage et d'accrochage pourrait être simplement associé à une lame d'un fermoir, et permettre l'articulation et l'accrochage de cette lame. L'agencement de guidage et d'accrochage peut ainsi être mis en oeuvre pour tout système lié à un bracelet nécessitant des variations de géométrie. En variante encore, l'agencement de guidage et d'accrochage pourrait être associé à une maille ou à un maillon de bracelet, quelle que soit sa position relativement au fermoir.Advantageously, the guiding and hooking arrangement is associated with a device for adjusting the length of a bracelet within a clasp, as described above. Advantageously, a control mesh and possibly at least a portion of an end mesh is disposed under a lid formed by the clasp, this mechanism thus remaining hidden. The clasp can be of different types, with two or three folding blades. Alternatively, the guide and hooking arrangement could be simply associated with a blade of a clasp, and allow the articulation and attachment of this blade. The guide and hooking arrangement can thus be implemented for any system linked to a bracelet requiring variations in geometry. In another variant, the guide and hooking arrangement could be associated with a mesh or a bracelet link, regardless of its position relative to the clasp.
L'invention porte aussi sur un bracelet et/ou un fermoir et/ou une montre bracelet, qui intègre(nt) au moins un dispositif de réglage de la longueur tel que décrit précédemment.The invention also relates to a bracelet and / or a clasp and / or a wristwatch, which incorporates (s) at least one device for adjusting the length as described above.
Claims (18)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP16202133.1A EP3329796B1 (en) | 2016-12-05 | 2016-12-05 | Device for adjusting the comfort of the length of a bracelet |
US15/830,711 US10588384B2 (en) | 2016-12-05 | 2017-12-04 | Device for the comfort-adjustment of the length of a bracelet |
JP2017232305A JP7222601B2 (en) | 2016-12-05 | 2017-12-04 | Bracelet length comfort adjustment device |
CN201711270289.9A CN108143058B (en) | 2016-12-05 | 2017-12-05 | Device for adjusting comfort degree of chain belt length |
Applications Claiming Priority (1)
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EP16202133.1A EP3329796B1 (en) | 2016-12-05 | 2016-12-05 | Device for adjusting the comfort of the length of a bracelet |
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EP3329796A1 true EP3329796A1 (en) | 2018-06-06 |
EP3329796B1 EP3329796B1 (en) | 2019-07-10 |
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EP16202133.1A Active EP3329796B1 (en) | 2016-12-05 | 2016-12-05 | Device for adjusting the comfort of the length of a bracelet |
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EP3769640B1 (en) * | 2019-07-26 | 2022-03-30 | Omega SA | Watch strap clasp |
NL2033404B1 (en) | 2022-10-27 | 2023-08-04 | Oomen Davey | An anti-theft assembly for a wristwatch, a rigid sleeve, a method for forming the same, and a metal casting mold |
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2016
- 2016-12-05 EP EP16202133.1A patent/EP3329796B1/en active Active
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2017
- 2017-12-04 US US15/830,711 patent/US10588384B2/en active Active
- 2017-12-04 JP JP2017232305A patent/JP7222601B2/en active Active
- 2017-12-05 CN CN201711270289.9A patent/CN108143058B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0819391A1 (en) | 1996-07-17 | 1998-01-21 | Montres Rolex Sa | Device for adjusting the length of a bracelet provided with a foldable fastener |
US6401307B1 (en) * | 1997-07-12 | 2002-06-11 | Manufacture Jaeger-Lecoultre Sa | Watch strap |
EP1790247A1 (en) * | 2005-11-23 | 2007-05-30 | Werthanor S.A. | Device for adjusting the length of a wristband, wristband having such a device, and watch provided with such a wristband |
CH702524A2 (en) * | 2010-01-15 | 2011-07-15 | Richemont Int Sa | Clasp e.g. unfolding buckle clasp, for strap of timepiece, has retention housing located at distance from rotation axis, where retention housing is cooperated with fixation barret fixed at one of ends of strap |
Also Published As
Publication number | Publication date |
---|---|
CN108143058B (en) | 2021-07-09 |
JP2018138160A (en) | 2018-09-06 |
JP7222601B2 (en) | 2023-02-15 |
US20180153268A1 (en) | 2018-06-07 |
EP3329796B1 (en) | 2019-07-10 |
CN108143058A (en) | 2018-06-12 |
US10588384B2 (en) | 2020-03-17 |
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