EP1664940A1 - Strap attachment device - Google Patents

Strap attachment device

Info

Publication number
EP1664940A1
EP1664940A1 EP04769362A EP04769362A EP1664940A1 EP 1664940 A1 EP1664940 A1 EP 1664940A1 EP 04769362 A EP04769362 A EP 04769362A EP 04769362 A EP04769362 A EP 04769362A EP 1664940 A1 EP1664940 A1 EP 1664940A1
Authority
EP
European Patent Office
Prior art keywords
fasteners
axis
bracelet
transverse bore
horn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04769362A
Other languages
German (de)
French (fr)
Other versions
EP1664940B1 (en
Inventor
Francis Cretin
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.)
Richemont International SA
Original Assignee
Richemont International 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 Richemont International SA filed Critical Richemont International SA
Publication of EP1664940A1 publication Critical patent/EP1664940A1/en
Application granted granted Critical
Publication of EP1664940B1 publication Critical patent/EP1664940B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • 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.
    • Y10T24/47—Strap-end-attaching devices
    • Y10T24/4782—Watch strap

Definitions

  • the present invention relates to a device for attaching a bracelet comprising a first attachment and a second attachment adapted to receive a bracelet bar.
  • the invention relates in particular to the mechanisms for attaching a bracelet to a middle part of a watch, but it is generally useful for any application requiring the attachment of a bracelet, such as for various jewels.
  • it is desirable that the replacement of the bracelet is as easy as possible and does not require any specific tools or bracelets that can only be used with a specific fixing device.
  • the fixing device and the way in which the bracelet is fixed thereon must not harm the comfort of the user when wearing the bracelet or the watch.
  • a number of devices are currently known which tend to provide a solution to these problems. Despite this fact, the known devices are not satisfactory at all levels, in particular by requiring either specific tools to remove an interchangeable strap and put another in its place, or specific straps being designed for a certain type of attachment only.
  • these fastening devices are normally not particularly suitable for being worn with optimal comfort.
  • many of the existing devices are complicated, not favorable to aesthetics or have a fairly high cost price.
  • the object of the present invention is to provide a device for fixing a bracelet which tends to obviate the aforementioned drawbacks of current systems and which in particular allows the quick and easy change of a bracelet and at the same time improves the comfort of the 'user.
  • the present invention thus relates to a fixing device comprising the characteristics set out in claim 1 and claim 8.
  • the device according to the present invention is distinguished in particular by the fact that at least one of the fasteners has an axis substantially parallel to the bar and by the fact that this axis is adapted to be housed in a sliding manner in a transverse bore of a body normally constituted by the middle part of a watch.
  • the device comprises a locking element for example a push button housed in a hole in the body intersecting said transverse bore in order to cooperate with at least one axis of the fasteners so as to allow the locking and unlocking of at least one of these fasteners in its housing.
  • the device also comprises at least one fastener having an axis substantially parallel to the bar, but this axis is adapted to be pivotally housed in said transverse bore of the body.
  • the device comprises at least one holding element called "horn stop" and constituted for example by a cylindrical pin.
  • Each retaining element is housed in a blind bore in the body intersecting said transverse bore in order to cooperate with the axis of the corresponding fastener so as to allow axial retention in the service position and at the same time the pivoting of at least one of these fasteners in its housing.
  • the fixing device does not require any measurement or specificity on the part of the bracelet with which it cooperates, and the latter can be maintained by a conventional simple bar at each end.
  • the bracelet can be made of leather, metal or any other suitable material. In the case of a watch, it also remains completely waterproof because the mechanism does not affect the sealing characteristics of the case. The aesthetics of the whole is not altered, the middle and the horns remaining for example crimpable.
  • FIG. 1a and 1b show exploded views of an embodiment of the device according to the present invention.
  • Figures 2a to 2d are views from below and from the side, partially in section, of the device once mounted.
  • Figures 3a to 3e show a perspective view, from above, from the side and sectional views of the first horn intended to be slidably mounted.
  • Figures 4a to 4d show a perspective view, from above, from the side and in section of the second horn.
  • FIG. 5a to 5d are perspective, top, side and sectional views of the pusher.
  • FIG. 6 schematically represents the middle part of a watch, the housing of the horns being machined in this part, and the bottom of the case intended to hold the horn stops.
  • Figures 7a to 7h illustrate the operation of the fixing device according to the present invention, in side section and in cross section.
  • the present invention relates in particular to the strap attachment mechanisms on a watch case, but it is generally useful for any application requiring the attachment of a strap, such as for example the various jewels which have of a body comparable to the watch case, in particular to accommodate precious stones.
  • FIGS. 1 a and 1 b show these parts once assembled.
  • a middle part 1 of a watch this middle part 1 being intended to receive the movement and of the other parts of the watch which are not important within the framework of the present invention and which will consequently not be described here, comprises formations or elements mainly serving as housing for the fixing device.
  • the middle part 1 comprises, in parts of its circumference being diametrically opposite and intended to receive watch straps, transverse bores 10a and 10b extending substantially parallel to the bars 8 of the straps, or to a 3h-9h axis of the watch face in a plane parallel to the plane of the dial or the back of the watch.
  • These bores 10 preferably pass through said parts of the circumference of the middle part 1, but there could be a blind bore 10 on each side of the middle part which does not therefore has only one opening, as will be more apparent in the following description.
  • the middle part 1 also includes blind holes 11 a to 11d, four in number in the preferred embodiment and the locations of these holes forming substantially a rectangle.
  • blind holes are perpendicular to the bottom of the box and intersect the corresponding transverse bores 10, as shown in Figures 1 a to 2d.
  • the middle part 1 has holes 12a and 12b also extending orthogonally to the plane of the bottom of the watch.
  • these holes 12 are located substantially in the middle of said parts of the circumference of the middle part 1 on either side of the movement, if necessary between the blind holes 11a and 11b respectively 11 c and 11 d, and also have their opening on the bottom side of the middle part 1.
  • the shape of the section of these holes 12 is, like that of the transverse bores 10a, 10b and of the blind holes 11 a to 11 d, preferably round or circular, but could for example also be rectangular or have another shape.
  • each of the transverse bores 10a and 10b is housed a first horn 2 and a second horn 3, at least one of which is mounted so as to be able to exert a longitudinal movement substantially parallel to the axis of the bars 8 of the bracelet, in the form preferred execution illustrated in the drawings.
  • These horns 2 and 3 are preferably mounted so as to be, in addition to the longitudinal movement of at least one of them, also angularly displaceable.
  • the mechanism is identical on the two sides of the middle 1 mentioned above, the horn "at 5 o'clock" of the watch being the same as at "11 h", ditto at "1 h" and "7 h".
  • the first horn 2 and the second horn 3 which are schematically illustrated in FIGS. 3a to 3e and 4a to 4d, each include a male cylindrical axis 22 and 32 which may be of different length.
  • the movable horn 2 is similar to the horn 3 but has a groove 25 in which a push button 4 can engage which locks the horn mobile 2 under the action of a return spring 7.
  • the horn 3 also has a groove 35 (not indicated in the drawings).
  • the sliding horn 2 which is illustrated in detail in Figures 3a to 3e, is therefore movable in the direction of being able to exert a longitudinal movement substantially parallel to the axis of the bars 8 of the bracelet and is lockable and unlockable using the push button 4 which will be described in detail later in this description. It is obvious that, in the case of a longitudinal movement of the first horn 2 only, the second horn 3 could have come in one piece with the middle part 1, the transverse bores 10 not comprising in this case, as indicated below. above, that an opening.
  • the shape of the section of these bores 10 is insignificant and may for example be rectangular or round, the only condition being to conform to the shape and the dimensions of axes 22 and, in the case where appropriate, 32 of the horns 2 and 3.
  • a round section of these transverse bores 10 is advantageous if the horns are mounted so as to be angularly displaceable.
  • the horns In addition to the axes 22 and 32 intended for fixing the horns 2 and 3 to the middle part 1, the horns each have an arcuate part 21, 31 forming, outside the middle part 1, the horn in the traditional sense.
  • these arcuate parts 21 and 31 have a smooth hole 26 and 36 intended to receive the ends of the bars 8 which pass through each of the strands of the bracelet.
  • the arrangement described so far is sufficient and allows, using the push button 4, to unlock and lock at least a mobile horn on each side of the middle to easily exchange the watch strap without using a tool. It is desirable and favorable that the system described above is combined with an angular displacement of the horns 2 and 3. In a variant, it is even conceivable that the horns of the fixing device are only pivotable. However, the case of a combined movement, sliding and pivoting, remains the preferred solution.
  • each horn 2 and 3 has a groove 23 and 33, as can be seen in FIGS. 3a at 3rd and 4a at 4d.
  • These grooves have a profile at more than 180 °, for example 200 ° as illustrated in section in Figure 3d or 4d, the two lines of inclination of the profile of the groove preferably having the same length.
  • each horn 2,3 is held in place by the cooperation between its groove and a cylindrical pin 5 serving as a stop, these pins being placed in the blind holes 11 ad of the middle part 1 and held in position by the bottom 6, as this is visible in Figures 2d and 6.
  • a cylindrical pin as shown in Figure 2d in its housing in the middle part 1, could be replaced by any other part adapted to be inserted in the blind holes 11 and housed in the radial peripheral part of the transverse bores 10 so to maintain the horns 2,3 using the grooves 24,34 practiced in the axes
  • the axes 22,32 of the horns 2,3 and in particular the transverse bores 10a, 10b must have a circular section, the external diameter of the axes 22,32 corresponding substantially to the internal diameter of these bores 10
  • Another form of their section, as mentioned above, can be envisaged only in the case of a sliding horn only and therefore not pivoting.
  • the male axes 22, 32 of the horns 2 and 3 terminate in the case of pivoting horns preferably by a flat 24/34, that is to say a half-round.
  • each horn 2 and 3 face each other so that the two horns are aligned one with respect to the other at all times during the pivoting of the two axes 22,32 of the horns 2,3, as can be seen in the partial section of Figures 2a or 2b.
  • the oscillation of the two horns 2,3 is synchronized.
  • the groove 23 of a sliding horn 2 must have a greater width compared to that of a pivoting horn 3 in order to allow the translation of the horn 2 on its axis after unlocking by a pressure on the push button 4.
  • the two push buttons 4 are housed vertically in the middle part 1 in the holes 12a and 12b provided for this purpose, as indicated above and illustrated in FIGS.
  • the pusher 4 has a groove in the oblong opening 41 forming a projection 42 occupying part of the periphery of this opening, for example the quarter section of this periphery opposite the bearing face of the push button 4.
  • the width of this projection 42 corresponds to that of the groove 25 which is formed over almost the entire periphery of the sliding horn 2 so as not to obstruct any pivoting of the horn.
  • the opening 41 in the pusher 4 has a chamfer 43 which allows, in cooperation with a corresponding chamfer 27 on the axis 22 of the horn 2, the latching of the horn 2 by simply pressing it when attaching the new bracelet.
  • the pusher retracts, against the action of a spring 7 provided for this purpose, from its unlocked position before taking its locked position.
  • the push button 4 comprises, at its end oriented towards the opening of the hole 12, a part 44 serving as a bearing surface against the bottom 6, the latter being provided with a corresponding opening in order to have access to the push button 4, said spring 7 therefore applying, see Figure 2c, the pusher using the part 44 against the bottom, this rest position of the push button 4 being the locking position of the corresponding sliding horn 2.
  • the fastening device also allows pivoting of the horns 2,3 allowing the ends of the bracelet to better conform to the shape of the user's wrist.
  • a combination of these two movements of the horns 2 and 3 is of course possible.
  • the present invention thus makes it possible to have a device for fixing a very modular strap, in particular sliding, pivoting or, preferably, both.
  • the bars 8 of a watch strap, passed through each of the strands of the strap can be constituted by monobloc pins, with or without bearing at their ends.
  • buttons 4 could be replaced by "pull” buttons to obtain the same function.
  • the horn stops 5 could also be replaced by four special bottom screws which would play the same role as pins or by any other device for holding in position.
  • Figures 7a to 7h show, in partial lateral and transverse sections, the situation when the push button 4 is pressed by the user.
  • the sliding horn 2 is in this case no longer held by the shape of the pusher in its groove 25 and it is therefore unlocked.
  • the user can slide the mobile horn 2 outwards, keeping the push button 4 pressed.
  • the bar 8 of the bracelet is thus released, this situation being illustrated in Figures 7c and 7d.
  • the invention is used in particular to improve the ease and speed of changing a bracelet, this change being able to be carried out without tools thanks to the longitudinal movement of the fixing device and without any part being detached from the case.
  • the possible articulation of the horns improves comfort because the bracelet will follow the shape of the wrist all the better.
  • the simplicity of the system and the ease of machining contribute to ensuring a moderate cost price.
  • the fitting of standard bracelets, in leather, synthetic or even composed of metal links becomes easily possible without detracting from the aesthetics of the whole, the middle and the horns remaining for example crimpable.

Abstract

A securement device for a bracelet includes a first attachment ( 2 ) and a second attachment ( 3 ) adapted to receive a bracelet pin ( 8 ). At least one of the attachments ( 2, 3 ) includes an axle ( 22, 32 ) substantially parallel to the pin ( 8 ), this axle ( 22, 32 ) being adapted to be disposed slidably in a transverse bore ( 10 ) of a body ( 1 ) that receives bracelets. Moreover, the device includes a locking element ( 4 ) disposed in a hole ( 12 ) in the body ( 1 ) intersecting the transverse bore ( 10 ) so as to coact with at least one axle ( 22, 32 ) of the attachments ( 2, 3 ) in a way to permit the locking and unlocking of at least one of these attachments ( 2, 3 ) in their recess.

Description

Dispositif de fixation d'un bracelet Bracelet fastening device
La présente invention concerne un dispositif de fixation d'un bracelet comportant une première attache et une deuxième attache adaptées à recevoir une barrette de bracelet. L'invention se rapporte notamment aux mécanismes d'attache de bracelet sur une carrure de montre, mais elle est en général utile pour toute application nécessitant la fixation d'un bracelet, comme pour les divers bijoux. Dans ce contexte, il est connu que les usagers souhaitent de plus en plus disposer de la possibilité de changer le bracelet, par exemple de la montre, afin de l'adapter aux habits ou de changer son apparence. A cet effet il est souhaitable que le remplacement du bracelet soit aussi facile que possible et ne nécessite ni outils ni bracelets spécifiques uniquement utilisables avec un dispositif de fixation spécifique. De plus, le dispositif de fixation et la façon dont est fixé le bracelet sur celui-ci ne doivent pas nuire au confort de l'usager lors du port du bracelet ou de la montre. On connaît actuellement un nombre de dispositifs tendant à apporter une solution à ces problèmes. Malgré ce fait, les dispositifs connus ne sont pas satisfaisants à tous les niveaux, notamment en nécessitant soit des outils particuliers pour enlever un bracelet interchangeable et remettre un autre à sa place, soit des bracelets spécifiques étant conçus pour un certain type de fixation uniquement. Par ailleurs, ces dispositifs de fixation ne sont normalement pas particulièrement adaptés pour être portés avec un confort optimal. En même temps, nombre des dispositifs existants sont compliqués, pas favorable à l'esthétique ou ont un prix de revient assez élevé. Le but de la présente invention est de réaliser un dispositif de fixation d'un bracelet tendant à obvier aux inconvénients précités des systèmes actuels et permettant en particulier le changement rapide et facile d'un bracelet et d'améliorer en même temps le confort de l'usager. La présente invention a ainsi pour objet un dispositif de fixation comprenant les caractéristiques énoncées à la revendication 1 et à la revendication 8. Le dispositif selon la présente invention se distingue notamment par le fait qu'au moins une des attaches comporte un axe sensiblement parallèle à la barrette et par le fait que cet axe est adapté à être logé de manière coulissante dans un alésage transversal d'un corps normalement constitué par la carrure d'une montre. De plus, le dispositif comporte un élément de verrouillage par exemple un bouton poussoir logé dans un trou du corps intersectant ledit alésage transversal afin de coopérer avec au moins un axe des attaches de façon à permettre le verrouillage et le déverrouillage d'au moins une de ces attaches dans son logement. Dans une autre forme d'exécution, le dispositif comporte également au moins une attache ayant un axe sensiblement parallèle à la barrette, mais cet axe est adapté à être logé de manière pivotante dans ledit alésage transversal du corps. Dans ce cas, le dispositif comporte au moins un élément de maintien appelé «butée de corne» et constitué par exemple par une goupille cylindrique. Chaque élément de maintien est logé dans un perçage borgne du corps intersectant ledit alésage transversal afin de coopérer avec l'axe de l'attache correspondante de façon à permettre le maintien axial en position de service et en même temps le pivotement d'au moins une de ces attaches dans son logement. La combinaison de ces deux formes d'exécution du dispositif est possible et cette combinaison constitue la forme d'exécution préférée. Par ces mesures, on obtient l'avantage de permettre un mouvement rectiligne transversal d'une partie du dispositif de fixation, notamment de la corne montée de façon coulissante, parallèle à l'axe de la barette libérant de cette manière le bracelet et permettant ainsi un changement rapide, facile et sans outil de celui-ci par l'utilisateur, par simple pression sur un poussoir et sans aucune déssolidarisation d'une pièce du dispositif. De plus, une articulation des cornes ou attaches sur un axe de pivotement peut être prévue, permettant une oscillation de la corne autour de son axe permettant ainsi aux extrémités du bracelet de mieux épouser la forme du poignet de l'utilisateur. Il est à noter que le dispositif de fixation ne nécessite aucune mesure ou spécificité de la part du bracelet avec lequel il coopère, et celui-ci peut être maintenu par une barrette simple conventionnelle à chaque extrémité. Le bracelet peut être en cuir, en métal ou en tout autre matériau adapté. Dans le cas d'une montre, celle-ci reste aussi complètement étanche car le mécanisme n'intervient pas sur les caractéristiques d'étanchéité du boîtier. L'esthétique de l'ensemble n'est pas altérée, la carrure et les cornes restant par exemple sertissables. La simplicité du système, le prix de revient et la facilité d'usinage sont des avantages supplémentaires du dispositif selon la présente invention. D'autres avantages ressortent des caractéristiques exprimées dans les revendications dépendantes et de la description exposant ci-après l'invention plus en détail à l'aide de dessins. Le dessin annexé représente, à titre d'exemple, une forme d'exécution de l'invention. Les figures 1a et 1 b montrent des vues explosées d'une forme d'exécution du dispositif selon la présente invention. Les figures 2a à 2d sont des vues de dessous et de coté, partiellement en coupe, du dispositif une fois monté. Les figures 3a à 3e représentent une vue en perspective, de dessus, de coté et des vues en coupe de la première corne destinée à être montée coulissante. Les figures 4a à 4d montrent une vue en perspective, de dessus, de coté et en coupe de la deuxième corne. Les figures 5a à 5d sont des vues en perspective, de dessus, de coté et en coupe du poussoir. La figure 6 représente schématiquement la carrure d'une montre, le logement des cornes étant usiné dans cette pièce, et le fond du boîtier destiné à maintenir les butées de cornes. Les figures 7a à 7h illustrent le fonctionnement du dispositif de fixation selon la présente invention, en coupe latérale et en coupe transversale. L'invention va maintenant être décrite en détail en référence au dessin annexé qui illustre à titre d'exemple une forme d'exécution de l'invention. Comme mentionné ci-dessus, la présente invention concerne notamment les mécanismes d'attache de bracelet sur une carrure de montre, mais elle est en général utile pour toute application nécessitant la fixation d'un bracelet, comme par exemple pour les divers bijoux qui disposent d'un corps comparable au boîtier de la montre, en particulier afin d'héberger des pierres précieuses. Cette application étant évidente pour l'homme du métier, seul le cas d'un dispositif de fixation selon la présente invention appliqué dans une montre sera décrit dans la suite. En référence aux figures 1 a et 1 b, les différentes parties du dispositif selon la présente invention sont clairement identifiables, les figures 2a à 2b montrent ces parties une fois assemblées. Une carrure 1 d'une montre, cette carrure 1 étant destinée à recevoir le mouvement et des autres parties de la montre qui ne sont pas importantes dans le cadre de la présente invention et qui ne seront par conséquent pas décrites ici, comporte des formations ou éléments servant principalement de logement pour le dispositif de fixation. D'abord, la carrure 1 comporte, dans des parties de sa circonférence se trouvant diamétralement opposées et destinées à recevoir des bracelets de montre, des alésages transversaux 10a et 10b s'étendant de façon sensiblement parallèle aux barrettes 8 des bracelets, soit à un axe 3h-9h du cadran de la montre dans un plan parallèle au plan du cadran ou du fond de la montre. Ces alésages 10 traversent de préférence lesdites parties de la circonférence de la carrure 1 , mais il pourrait y avoir un alésage borgne 10 de chaque coté de la carrure qui ne présente donc qu'une seule ouverture, comme cela sera plus apparent dans la suite de la description. Dans ces parties de la circonférence de la carrure 1 de part et d'autre du mouvement, la carrure 1 comporte également des perçages borgnes 11 a à 11d, au nombre de quatre dans la forme d'exécution préférée et les emplacements de ces perçages formant sensiblement un rectangle. Ces perçages borgnes sont perpendiculaires au fond de la boîte et intersectent les alésages transversaux 10 correspondants, comme le montrent les figures 1 a à 2d. De plus, la carrure 1 comporte des trous 12a et 12b s'étendant également orthogonalement au plan du fond de la montre. De préférence, ces trous 12 sont situés sensiblement au milieu desdites parties de la circonférence de la carrure 1 de part et d'autre du mouvement, le cas échéant entre les perçages borgnes 11a et 11 b respectivement 11 c et 11 d, et possèdent également leur ouverture coté fond de la carrure 1. La forme de la section de ces trous 12 est, comme celle des alésages transversaux 10a, 10b et des perçages borgnes 11 a à 11 d, de préférence ronde ou circulaire, mais pourrait par exemple également être rectangulaire ou avoir une autre forme. Dans chacun des alésages transversaux 10a et 10b vient se loger une première corne 2 et une deuxième corne 3, dont au moins une est montée de façon à pouvoir exercer un mouvement longitudinal sensiblement parallèle à l'axe des barrettes 8 du bracelet, dans la forme d'exécution préférée illustrée dans les dessins. Ces cornes 2 et 3 sont, de préférence, montées de façon à être, en plus du mouvement longitudinal d'au moins une d'entre elles, également déplaçables angulairement. Le mécanisme est identique des deux côtés de la carrure 1 mentionnés ci-dessus, la corne "à 5 h" de la montre étant la même qu'à "11 h", idem à "1 h" et "7 h". Afin d'être logées dans les alésages transversaux 10a et 10b, la première corne 2 et la deuxième corne 3, qui sont illustrées schématiquement aux figures 3a à 3e et 4a à 4d, comprennent chacune un axe cylindrique mâle 22 et 32 qui peuvent être de longueur différente. Dans le cas préféré d'une seule corne mobile longitudinalement, qui est illustré dans les figures annexées, la corne mobile 2 est similaire à la corne 3 mais présente une rainure 25 dans laquelle peut s'engager un bouton poussoir 4 qui vient verrouiller la corne mobile 2 sous l'action d'un ressort de rappel 7. Dans le cas où les deux cornes sont montées coulissantes, la corne 3 comporte également une rainure 35 (pas indiquée dans les dessins). La corne coulissante 2, qui est illustrée en détail par les figures 3a à 3e, est donc mobile dans le sens de pouvoir exercer un mouvement longitudinal sensiblement parallèle à l'axe des barrettes 8 du bracelet et est verrouillable et déverrouillable à l'aide du bouton poussoir 4 qui sera décrit en détail plus loin dans cette description. Il est évident que, dans le cas d'un mouvement longitudinal de la première corne 2 uniquement, la deuxième corne 3 pourrait être venue d'une pièce avec la carrure 1 , les alésages transversaux 10 ne comportant dans ce cas, comme indiqué ci-dessus, qu'une ouverture. Dans le cas d'un mouvement longitudinal uniquement, la forme de la section de ces alésages 10 est peu importante et peut par exemple être rectangulaire ou ronde, la seule condition étant d'épouser la forme et les dimensions de axes 22 et, le cas échéant, 32 des cornes 2 et 3. Comme cela ressortira plus clairement dans la suite, une section ronde de ces alésages transversaux 10 est avantageuse si les cornes sont montées de façon à être déplaçables angulairement. En plus des axes 22 et 32 destinés à la fixation des cornes 2 et 3 à la carrure 1 , les cornes possèdent chacune une partie arquée 21 , 31 formant, à l'extérieur de la carrure 1 , la corne dans le sens traditionnel. Côté intérieur, ces parties arquées 21 et 31 comportent un trou lisse 26 et 36 destiné à recevoir les extrémités des barrettes 8 qui passent dans chacun des brins du bracelet. Dans le cas où l'une seulement des deux cornes 2 et 3 de chaque coté de la carrure 1 est coulissante, la disposition décrite jusqu'à ici est suffisante et permet, à l'aide du bouton poussoir 4, de déverrouiller et de verrouiller au moins une corne mobile de chaque côté de la carrure afin d'échanger facilement et sans recours à un outil le bracelet de la montre. Il est souhaitable et favorable que le système décrit ci-dessus soit combiné avec un déplacement angulaire des cornes 2 et 3. Dans une variante, il est même envisageable que les cornes du dispositif de fixation soient uniquement pivotantes. Le cas d'un mouvement combiné, coulissant et pivotant, reste néanmoins la solution préférée. Afin de réaliser ce déplacement angulaire des cornes 2 et 3, et ceci de manière à permettre la combinaison de ce déplacement angulaire avec le coulissement décrit précédemment, chaque corne 2 et 3 comporte une saignée 23 et 33, comme cela est visible dans les figures 3a à 3e et 4a à 4d. Ces saignées comportent un profil à plus de 180°, par exemple de 200° comme illustré en coupe à la figure 3d ou 4d, les deux lignes d'inclinaison du profil de la saignée ayant de préférence la même longueur. Ainsi, chaque corne 2,3 est maintenue en place par la coopération entre sa saignée et une goupille cylindrique 5 servant de butée, ces goupilles étant placées dans les perçages borgnes 11 a-d de la carrure 1 et maintenues en position par le fond 6, comme cela est visible aux figures 2d et 6. Chaque butée de corne 5 a deux fonctions ; située dans une saignée de la corne, elle l'empêche de sortir de son logement et garantit donc le maintien de la corne dans l'alésage transversal, notamment dans le cas d'un mouvement pivotant uniquement ne nécessitant pas de bouton poussoir 4 et de rainure 25,35 correspondant pour le maintien. Néanmoins, la butée de corne 5 laisse pivoter la corne 2,3 de l'angle maximal prédéterminé de par son profil, par exemple 200°- 180°=20° dans le cas cité ci-dessus ou un autre angle qui peut être choisi selon les besoins. Cette butée 5 limite donc le déplacement angulaire des cornes 2,3. En ce qui concerne la forme de ces butées de corne 5, une goupille cylindrique, comme montrée à la figure 2d dans son logement dans la carrure 1 , pourrait être remplacée par tout autre pièce adaptée à être insérée dans les perçages borgnes 11 et logée dans la partie périphérique radiale des alésages transversaux 10 afin de maintenir les cornes 2,3 à l'aide des saignées 24,34 pratiquées dans les axesThe present invention relates to a device for attaching a bracelet comprising a first attachment and a second attachment adapted to receive a bracelet bar. The invention relates in particular to the mechanisms for attaching a bracelet to a middle part of a watch, but it is generally useful for any application requiring the attachment of a bracelet, such as for various jewels. In this context, it is known that users increasingly wish to have the possibility of changing the strap, for example the watch, in order to adapt it to clothes or to change its appearance. For this purpose it is desirable that the replacement of the bracelet is as easy as possible and does not require any specific tools or bracelets that can only be used with a specific fixing device. In addition, the fixing device and the way in which the bracelet is fixed thereon must not harm the comfort of the user when wearing the bracelet or the watch. A number of devices are currently known which tend to provide a solution to these problems. Despite this fact, the known devices are not satisfactory at all levels, in particular by requiring either specific tools to remove an interchangeable strap and put another in its place, or specific straps being designed for a certain type of attachment only. Furthermore, these fastening devices are normally not particularly suitable for being worn with optimal comfort. At the same time, many of the existing devices are complicated, not favorable to aesthetics or have a fairly high cost price. The object of the present invention is to provide a device for fixing a bracelet which tends to obviate the aforementioned drawbacks of current systems and which in particular allows the quick and easy change of a bracelet and at the same time improves the comfort of the 'user. The present invention thus relates to a fixing device comprising the characteristics set out in claim 1 and claim 8. The device according to the present invention is distinguished in particular by the fact that at least one of the fasteners has an axis substantially parallel to the bar and by the fact that this axis is adapted to be housed in a sliding manner in a transverse bore of a body normally constituted by the middle part of a watch. In addition, the device comprises a locking element for example a push button housed in a hole in the body intersecting said transverse bore in order to cooperate with at least one axis of the fasteners so as to allow the locking and unlocking of at least one of these fasteners in its housing. In another embodiment, the device also comprises at least one fastener having an axis substantially parallel to the bar, but this axis is adapted to be pivotally housed in said transverse bore of the body. In this case, the device comprises at least one holding element called "horn stop" and constituted for example by a cylindrical pin. Each retaining element is housed in a blind bore in the body intersecting said transverse bore in order to cooperate with the axis of the corresponding fastener so as to allow axial retention in the service position and at the same time the pivoting of at least one of these fasteners in its housing. The combination of these two embodiments of the device is possible and this combination constitutes the preferred embodiment. By these measures, the advantage is obtained of allowing a rectilinear transverse movement of a part of the fixing device, in particular of the horn mounted in a sliding manner, parallel to the axis of the bar thereby releasing the bracelet and thus allowing quick, easy and tool-free change of the latter by the user, by simple pressure on a pusher and without any separation of a part from the device. In addition, an articulation of the horns or attachments on a pivot axis can be provided, allowing an oscillation of the horn around its axis thus allowing the ends of the bracelet to better conform to the shape of the user's wrist. It should be noted that the fixing device does not require any measurement or specificity on the part of the bracelet with which it cooperates, and the latter can be maintained by a conventional simple bar at each end. The bracelet can be made of leather, metal or any other suitable material. In the case of a watch, it also remains completely waterproof because the mechanism does not affect the sealing characteristics of the case. The aesthetics of the whole is not altered, the middle and the horns remaining for example crimpable. The simplicity of the system, the cost price and the ease of machining are additional advantages of the device according to the present invention. Other advantages appear from the characteristics expressed in the dependent claims and from the description setting out the invention below in more detail with the aid of drawings. The accompanying drawing shows, by way of example, an embodiment of the invention. Figures 1a and 1b show exploded views of an embodiment of the device according to the present invention. Figures 2a to 2d are views from below and from the side, partially in section, of the device once mounted. Figures 3a to 3e show a perspective view, from above, from the side and sectional views of the first horn intended to be slidably mounted. Figures 4a to 4d show a perspective view, from above, from the side and in section of the second horn. Figures 5a to 5d are perspective, top, side and sectional views of the pusher. FIG. 6 schematically represents the middle part of a watch, the housing of the horns being machined in this part, and the bottom of the case intended to hold the horn stops. Figures 7a to 7h illustrate the operation of the fixing device according to the present invention, in side section and in cross section. The invention will now be described in detail with reference to the accompanying drawing which illustrates by way of example an embodiment of the invention. As mentioned above, the present invention relates in particular to the strap attachment mechanisms on a watch case, but it is generally useful for any application requiring the attachment of a strap, such as for example the various jewels which have of a body comparable to the watch case, in particular to accommodate precious stones. This application being obvious to a person skilled in the art, only the case of a fixing device according to the present invention applied in a watch will be described below. With reference to FIGS. 1 a and 1 b, the different parts of the device according to the present invention are clearly identifiable, FIGS. 2a to 2b show these parts once assembled. A middle part 1 of a watch, this middle part 1 being intended to receive the movement and of the other parts of the watch which are not important within the framework of the present invention and which will consequently not be described here, comprises formations or elements mainly serving as housing for the fixing device. First, the middle part 1 comprises, in parts of its circumference being diametrically opposite and intended to receive watch straps, transverse bores 10a and 10b extending substantially parallel to the bars 8 of the straps, or to a 3h-9h axis of the watch face in a plane parallel to the plane of the dial or the back of the watch. These bores 10 preferably pass through said parts of the circumference of the middle part 1, but there could be a blind bore 10 on each side of the middle part which does not therefore has only one opening, as will be more apparent in the following description. In these parts of the circumference of the middle part 1 on either side of the movement, the middle part 1 also includes blind holes 11 a to 11d, four in number in the preferred embodiment and the locations of these holes forming substantially a rectangle. These blind holes are perpendicular to the bottom of the box and intersect the corresponding transverse bores 10, as shown in Figures 1 a to 2d. In addition, the middle part 1 has holes 12a and 12b also extending orthogonally to the plane of the bottom of the watch. Preferably, these holes 12 are located substantially in the middle of said parts of the circumference of the middle part 1 on either side of the movement, if necessary between the blind holes 11a and 11b respectively 11 c and 11 d, and also have their opening on the bottom side of the middle part 1. The shape of the section of these holes 12 is, like that of the transverse bores 10a, 10b and of the blind holes 11 a to 11 d, preferably round or circular, but could for example also be rectangular or have another shape. In each of the transverse bores 10a and 10b is housed a first horn 2 and a second horn 3, at least one of which is mounted so as to be able to exert a longitudinal movement substantially parallel to the axis of the bars 8 of the bracelet, in the form preferred execution illustrated in the drawings. These horns 2 and 3 are preferably mounted so as to be, in addition to the longitudinal movement of at least one of them, also angularly displaceable. The mechanism is identical on the two sides of the middle 1 mentioned above, the horn "at 5 o'clock" of the watch being the same as at "11 h", ditto at "1 h" and "7 h". In order to be accommodated in the transverse bores 10a and 10b, the first horn 2 and the second horn 3, which are schematically illustrated in FIGS. 3a to 3e and 4a to 4d, each include a male cylindrical axis 22 and 32 which may be of different length. In the preferred case of a single longitudinally movable horn, which is illustrated in the appended figures, the movable horn 2 is similar to the horn 3 but has a groove 25 in which a push button 4 can engage which locks the horn mobile 2 under the action of a return spring 7. In the case where the two horns are slidably mounted, the horn 3 also has a groove 35 (not indicated in the drawings). The sliding horn 2, which is illustrated in detail in Figures 3a to 3e, is therefore movable in the direction of being able to exert a longitudinal movement substantially parallel to the axis of the bars 8 of the bracelet and is lockable and unlockable using the push button 4 which will be described in detail later in this description. It is obvious that, in the case of a longitudinal movement of the first horn 2 only, the second horn 3 could have come in one piece with the middle part 1, the transverse bores 10 not comprising in this case, as indicated below. above, that an opening. In the case of a longitudinal movement only, the shape of the section of these bores 10 is insignificant and may for example be rectangular or round, the only condition being to conform to the shape and the dimensions of axes 22 and, in the case where appropriate, 32 of the horns 2 and 3. As will emerge more clearly in the following, a round section of these transverse bores 10 is advantageous if the horns are mounted so as to be angularly displaceable. In addition to the axes 22 and 32 intended for fixing the horns 2 and 3 to the middle part 1, the horns each have an arcuate part 21, 31 forming, outside the middle part 1, the horn in the traditional sense. On the interior side, these arcuate parts 21 and 31 have a smooth hole 26 and 36 intended to receive the ends of the bars 8 which pass through each of the strands of the bracelet. In the case where only one of the two horns 2 and 3 on each side of the middle part 1 is sliding, the arrangement described so far is sufficient and allows, using the push button 4, to unlock and lock at least a mobile horn on each side of the middle to easily exchange the watch strap without using a tool. It is desirable and favorable that the system described above is combined with an angular displacement of the horns 2 and 3. In a variant, it is even conceivable that the horns of the fixing device are only pivotable. However, the case of a combined movement, sliding and pivoting, remains the preferred solution. In order to achieve this angular displacement of the horns 2 and 3, and this so as to allow the combination of this angular displacement with the sliding described above, each horn 2 and 3 has a groove 23 and 33, as can be seen in FIGS. 3a at 3rd and 4a at 4d. These grooves have a profile at more than 180 °, for example 200 ° as illustrated in section in Figure 3d or 4d, the two lines of inclination of the profile of the groove preferably having the same length. Thus, each horn 2,3 is held in place by the cooperation between its groove and a cylindrical pin 5 serving as a stop, these pins being placed in the blind holes 11 ad of the middle part 1 and held in position by the bottom 6, as this is visible in Figures 2d and 6. Each horn stopper 5 has two functions; located in a groove in the horn, it prevents it from coming out of its housing and therefore guarantees the maintenance of the horn in the transverse bore, in particular in the case of a pivoting movement only not requiring a push button 4 and 25.35 groove corresponding for the maintenance. Nevertheless, the horn stopper 5 allows the horn 2,3 to pivot by the predetermined maximum angle by its profile, for example 200 ° - 180 ° = 20 ° in the case mentioned above or another angle which can be chosen. as required. This stop 5 therefore limits the angular displacement of the horns 2,3. Regarding the shape of these horn stops 5, a cylindrical pin, as shown in Figure 2d in its housing in the middle part 1, could be replaced by any other part adapted to be inserted in the blind holes 11 and housed in the radial peripheral part of the transverse bores 10 so to maintain the horns 2,3 using the grooves 24,34 practiced in the axes
22,32. Ces pièces et les perçages borgnes 11 ne sont pas nécessairement cylindriques. Afin de permettre le pivotement des cornes, les axes 22,32 des cornes 2,3 et en particulier les alésages transversaux 10a, 10b doivent avoir une section circulaire, le diamètre extérieur des axes 22,32 correspondant sensiblement au diamètre intérieur de ces alésages 10. Une autre forme de leur section, comme mentionné plus haut, peut être envisagée uniquement dans le cas d'une corne coulissante seulement et donc non pivotante. Les axes mâles 22,32 des cornes 2 et 3 se terminent dans le cas de cornes pivotantes de préférence par un méplat 24/34, c'est-à-dire un demi-rond. Les méplats 24 et 34 de chaque corne 2 et 3 se font face de telle sorte que les deux cornes soient alignées l'une part rapport à l'autre à tout moment lors du pivotement des deux axes 22,32 des cornes 2,3, comme il est visible dans la coupe partielle des figures 2a ou 2b. Ainsi, l'oscillation des deux cornes 2,3 est synchronisée. Il est à noter que la saignée 23 d'une corne coulissante 2 doit être dotée d'une largeur plus élevée par rapport à celle d'une corne pivotante 3 afin de permettre la translation de la corne 2 sur son axe après le déverrouillage par une pression sur le bouton poussoir 4. Les deux boutons poussoirs 4 sont logés verticalement dans la carrure 1 dans les trous 12a et 12b prévus à cet effet, comme indiqué plus haut et illustré aux figures 1a et 1 b ainsi que 2a et 2b. Ils présentent chacun une ouverture oblongue radiale 41 dans laquelle s'accouplent les cornes 2 et 3, comme le montrent les figures 5a à 5d. Du côté d'une corne 2 déverrouillable, le poussoir 4 comporte une gorge dans l'ouverture oblongue 41 formant une saillie 42 occupant une partie du pourtour de cette ouverture, par exemple le quart de section de ce pourtour opposé à la face d'appui du bouton poussoir 4. La largeur de cette saillie 42 correspond à celle de la rainure 25 qui est formée sur presque tout le pourtour de la corne coulissante 2 afin de ne pas faire obstacle à un éventuel pivotement de la corne. La coopération entre la saillie 42 et la rainure 25 permet ainsi de réaliser un mécanisme de blocage-déblocage en translation longitudinale, ce qui est par exemple également visible dans la coupe de la figure 2c. Egalement du côté de la corne coulissante et déverrouillable 2, l'ouverture 41 dans le poussoir 4 présente un chanfrein 43 qui permet, en coopération avec un chanfrein 27 correspondant sur l'axe 22 de la corne 2, l'encliquetage de la corne 2 par une simple pression sur celle-ci lors de la fixation du nouveau bracelet. Ainsi, le poussoir se rétracte, contre l'action d'un ressort 7 prévu à cet effet, de sa position déverrouillée avant de prendre sa position verrouillée. Finalement, le bouton poussoir 4 comporte, à son extrémité orientée vers l'ouverture du trou 12, une partie 44 servant de surface d'appui contre le fond 6, ce dernier étant doté d'une ouverture correspondante afin d'avoir accès au poussoir 4, ledit ressort 7 appliquant de ce fait, voir figure 2c, le poussoir à l'aide de la partie 44 contre le fond, cette position de repos du bouton poussoir 4 étant la position de verrouillage de la corne coulissante 2 correspondante. Par ces mesures, le dispositif permet un mouvement longitudinal de la corne 2 montée de façon coulissante, le long de l'axe du bracelet pour libérer ce dernier et permettre ainsi un changement rapide, facile et sans outil du bracelet par l'utilisateur, par simple pression sur un poussoir 4, sans aucune déssolidarisation d'une quelconque pièce du dispositif de fixation. Le dispositif de fixation permet également un pivotement des cornes 2,3 permettant aux extrémités du bracelet de mieux épouser la forme du poignet de l'utilisateur. Une combinaison de ces deux mouvements des cornes 2 et 3 est bien entendu possible. Ceci est du au fait que les poussoirs 4 peuvent être actionnés dans toutes les positions angulaires des cornes 2,3 ainsi qu'au fait que les cornes peuvent pivoter dans toutes les positions longitudinales d'une corne coulissante 2. La présente invention permet ainsi de se doter d'un dispositif de fixation d'un bracelet très modulaire, notamment coulissant, pivotant ou, de préférence, les deux. De plus, les barrettes 8 d'un bracelet de montre, passées dans chacun des brins du bracelet, peuvent être constituées par des axes monoblocs, avec ou sans portées à leurs extrémités. Il est inutile de monter des barrettes à ressorts avec ce dispositif de fixation, le mouvement longitudinal nécessaire pour le changement d'un bracelet étant prévu par le coulissement des cornes. L'invention décrite peut également bénéficier d'autres spécificités techniques comme un indexage à deux positions des cornes mobiles par le biais d'un ressort ou d'un système à billes dans une gorge, ceci permettant de visualiser la position ouverte et verrouillée du bouton poussoir 4. Outre la sensation de "crans" lors de la manipulation, cette éventualité présente une double sécurité. Dans le même ordre d'idée, les boutons 4 pourraient être remplacés par des boutons "à tirer" pour obtenir la même fonction. Les butées de cornes 5 pourraient être remplacées aussi par quatre vis de fond spéciales qui joueraient le même rôle de goupilles ou par n'importe quel autre dispositif de maintien en position. Enfin, pour simplifier encore le système, il est possible, par exemple pour le cas des cornes uniquement coulissantes et comme déjà mentionné, de prévoir un boîtier avec une carrure 1 monobloc comportant déjà deux cornes fixes, les deux cornes coulissantes et verrouillables venant compléter l'ensemble pour permettre le changement rapide du bracelet. Par analogie, il est possible de supprimer les dispositions relatives au poussoir 4 voire le système de vérouillage dans le cas d'un mouvement uniquement pivotant des cornes 2,3. Dans ce cas de figure, il est également possible de ne prévoir qu'un seul axe fixé à une corne et traversant tout l'alésage transversal 10. La deuxième corne est dans ce cas constituée uniquement par la partie arquée qui sera vissée ou fixée de toute autre manière sur l'extrémité libre de cet axe. De plus, une seule butée de corne et une seule saignée correspondante sur l'axe sont ici suffisantes pour permettre le maintien et le pivotement des deux cornes. Afin de décrire également le fonctionnement du dispositif, dans sa forme d'exécution préférée, référence est faite aux figures 7a à 7h. Les figures 7a et 7b montrent, en coupes partielles latérale et transversale, la situation quand le bouton poussoir 4 est enfoncé par l'utilisateur. La corne coulissante 2 n'est dans ce cas plus maintenue par la forme du poussoir dans sa rainure 25 et elle est donc déverrouillée. Ensuite, l'utilisateur peut faire coulisser la corne mobile 2 vers l'extérieur, en maintenant le bouton poussoir 4 enfoncé. La barrette 8 du bracelet se trouve ainsi libérée, cette situation étant illustrée aux figures 7c et 7d. Pour insérer un autre bracelet, il suffit de repousser la corne mobile 2 en veillant à aligner les pivots de la barrette 8 avec les trous lisses 26,36 des cornes 2,3, comme ceci est montré aux figures 7e et 7f. A cet effet, la forme de la corne mobile 2 ainsi que du bouton poussoir 4 est, grâce aux chanfreins 27 et 43 mentionnés ci-dessus, telle que la corne mobile 2 peut vaincre la force du ressort 7 exercée sur le bouton poussoir 4. En fin de course, la corne coulissante 2 s'encliquette avec le bouton poussoir 4, ce dernier étant poussé contre le fond 6 du boîtier par le ressort de rappel 7. Ainsi, l'ensemble est de nouveau verrouillé, comme indiqué aux figures 7g et 7h. L'invention sert notamment à améliorer la facilité et la rapidité de changement d'un bracelet, ce changement pouvant être effectué sans outillage grâce au mouvement longitudinal du dispositif de fixation et sans qu'aucune pièce ne se déssolidarise du boîtier. L'articulation possible des cornes améliore le confort du fait que le bracelet suivra d'autant mieux la forme du poignet. En même temps, la simplicité du système et la facilité d'usinage contribuent à assurer un prix de revient modéré. Ainsi, le montage de bracelets standards, en cuir, synthétiques ou encore composés de maillons métalliques, devient facilement possible sans pour autant nuire à l'esthétique de l'ensemble, la carrure et les cornes restant par exemple sertissables. 22.32. These parts and the blind holes 11 are not necessarily cylindrical. In order to allow the horns to pivot, the axes 22,32 of the horns 2,3 and in particular the transverse bores 10a, 10b must have a circular section, the external diameter of the axes 22,32 corresponding substantially to the internal diameter of these bores 10 Another form of their section, as mentioned above, can be envisaged only in the case of a sliding horn only and therefore not pivoting. The male axes 22, 32 of the horns 2 and 3 terminate in the case of pivoting horns preferably by a flat 24/34, that is to say a half-round. The flats 24 and 34 of each horn 2 and 3 face each other so that the two horns are aligned one with respect to the other at all times during the pivoting of the two axes 22,32 of the horns 2,3, as can be seen in the partial section of Figures 2a or 2b. Thus, the oscillation of the two horns 2,3 is synchronized. It should be noted that the groove 23 of a sliding horn 2 must have a greater width compared to that of a pivoting horn 3 in order to allow the translation of the horn 2 on its axis after unlocking by a pressure on the push button 4. The two push buttons 4 are housed vertically in the middle part 1 in the holes 12a and 12b provided for this purpose, as indicated above and illustrated in FIGS. 1a and 1b as well as 2a and 2b. They each have a radial oblong opening 41 in which the horns 2 and 3 are coupled, as shown in FIGS. 5a to 5d. On the side of an unlockable horn 2, the pusher 4 has a groove in the oblong opening 41 forming a projection 42 occupying part of the periphery of this opening, for example the quarter section of this periphery opposite the bearing face of the push button 4. The width of this projection 42 corresponds to that of the groove 25 which is formed over almost the entire periphery of the sliding horn 2 so as not to obstruct any pivoting of the horn. The cooperation between the projection 42 and the groove 25 thus makes it possible to achieve a locking-unlocking mechanism in longitudinal translation, which is for example also visible in the section of Figure 2c. Also on the side of the sliding and unlockable horn 2, the opening 41 in the pusher 4 has a chamfer 43 which allows, in cooperation with a corresponding chamfer 27 on the axis 22 of the horn 2, the latching of the horn 2 by simply pressing it when attaching the new bracelet. Thus, the pusher retracts, against the action of a spring 7 provided for this purpose, from its unlocked position before taking its locked position. Finally, the push button 4 comprises, at its end oriented towards the opening of the hole 12, a part 44 serving as a bearing surface against the bottom 6, the latter being provided with a corresponding opening in order to have access to the push button 4, said spring 7 therefore applying, see Figure 2c, the pusher using the part 44 against the bottom, this rest position of the push button 4 being the locking position of the corresponding sliding horn 2. By these measures, the device allows a longitudinal movement of the horn 2 slidably mounted, along the axis of the bracelet to release the latter and thus allow a quick, easy and tool-free change of the bracelet by the user, by simple pressure on a pusher 4, without any separation from any part of the fixing device. The fastening device also allows pivoting of the horns 2,3 allowing the ends of the bracelet to better conform to the shape of the user's wrist. A combination of these two movements of the horns 2 and 3 is of course possible. This is due to the fact that the pushers 4 can be actuated in all the angular positions of the horns 2,3 as well as to the fact that the horns can pivot in all the longitudinal positions of a sliding horn 2. The present invention thus makes it possible to have a device for fixing a very modular strap, in particular sliding, pivoting or, preferably, both. In addition, the bars 8 of a watch strap, passed through each of the strands of the strap, can be constituted by monobloc pins, with or without bearing at their ends. There is no need to mount spring bars with this fixing device, the longitudinal movement necessary for changing a bracelet being provided by the sliding of the horns. The invention described can also benefit from other technical specificities such as two-position indexing of the mobile horns by means of a spring or a ball system in a groove, this making it possible to view the open and locked position of the button. push-button 4. In addition to the feeling of "notches" during handling, this possibility presents a double security. In the same vein, buttons 4 could be replaced by "pull" buttons to obtain the same function. The horn stops 5 could also be replaced by four special bottom screws which would play the same role as pins or by any other device for holding in position. Finally, to further simplify the system, it is possible, for example in the case of only sliding horns and as already mentioned, to provide a housing with a one-piece middle part already comprising two fixed horns, the two sliding and locking horns complementing the '' to allow the quick change of the bracelet. By analogy, it is possible to omit the provisions relating to the pusher 4 or even the locking system in the case of a movement only of the horns 2,3. In this case, it is also possible to provide only a single axis fixed to a horn and traversing the entire transverse bore 10. The second horn is in this case constituted only by the arched part which will be screwed or fixed to any other way on the free end of this axis. In addition, a single horn stop and a single corresponding groove on the axis are here sufficient to allow the maintenance and pivoting of the two horns. In order to also describe the operation of the device, in its preferred embodiment, reference is made to Figures 7a to 7h. Figures 7a and 7b show, in partial lateral and transverse sections, the situation when the push button 4 is pressed by the user. The sliding horn 2 is in this case no longer held by the shape of the pusher in its groove 25 and it is therefore unlocked. Then, the user can slide the mobile horn 2 outwards, keeping the push button 4 pressed. The bar 8 of the bracelet is thus released, this situation being illustrated in Figures 7c and 7d. To insert another bracelet, simply push the movable horn 2 while making sure to align the pivots of the bar 8 with the smooth holes 26,36 of the horns 2,3, as shown in FIGS. 7e and 7f. To this end, the shape of the movable horn 2 and of the push button 4 is, thanks to the chamfers 27 and 43 mentioned above, such that the movable horn 2 can overcome the force of the spring 7 exerted on the push button 4. At the end of the race, the sliding horn 2 engages with the push button 4, the latter being pushed against the bottom 6 of the housing by the return spring 7. Thus, the assembly is again locked, as indicated in FIGS. 7g and 7 a.m. The invention is used in particular to improve the ease and speed of changing a bracelet, this change being able to be carried out without tools thanks to the longitudinal movement of the fixing device and without any part being detached from the case. The possible articulation of the horns improves comfort because the bracelet will follow the shape of the wrist all the better. At the same time, the simplicity of the system and the ease of machining contribute to ensuring a moderate cost price. Thus, the fitting of standard bracelets, in leather, synthetic or even composed of metal links, becomes easily possible without detracting from the aesthetics of the whole, the middle and the horns remaining for example crimpable.

Claims

Revendications claims
1 . Dispositif de fixation d'un bracelet comportant une première attache (2) et une deuxième attache (3) adaptées à recevoir une barrette (8) de bracelet, caractérisé par le fait qu'au moins une des attaches (2,3) comporte un axe (22,32) sensiblement parallèle à la barrette (8) ; par le fait que cet axe (22,32) est logé de manière coulissante dans un alésage transversal (10) d'un corps (1) ; et par le fait que le dispositif comporte un élément de verrouillage (4) logé dans un trou (12) du corps (1 ) intersectant ledit alésage transversal (10) afin de coopérer avec au moins un axe (22,32) d'au moins une des attaches (2,3) de façon à permettre le verrouillage et le déverrouillage d'au moins une de ces attaches (2,3) dans les alésages transversaux (10).1. Device for attaching a bracelet comprising a first attachment (2) and a second attachment (3) adapted to receive a strap bar (8), characterized in that at least one of the attachments (2,3) comprises a axis (22,32) substantially parallel to the bar (8); by the fact that this axis (22,32) is slidably housed in a transverse bore (10) of a body (1); and by the fact that the device comprises a locking element (4) housed in a hole (12) of the body (1) intersecting said transverse bore (10) in order to cooperate with at least one axis (22,32) of at least one of the fasteners (2,3) so as to allow the locking and unlocking of at least one of these fasteners (2,3) in the transverse bores (10).
2. Dispositif selon la revendication précédente, caractérisé par le fait que les attaches sont réalisées en forme de corne, lesdites attaches comportant une partie (21 ,31 ) munie d'un trou lisse (26,36) afin de recevoir une extrémité des barrettes (8) d'un bracelet.2. Device according to the preceding claim, characterized in that the fasteners are made in the shape of a horn, said fasteners comprising a part (21, 31) provided with a smooth hole (26,36) in order to receive one end of the bars (8) a bracelet.
3. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que ledit axe (22) d'une attache coulissante (2) comporte une rainure (25) tandis que ledit élément de verrouillage (4) comporte une saillie (42), cette rainure et cette saillie (25, 42) coopérant pour verrouiller et déverrouiller axialement l'attache (2) dans son alésage transversal (10).3. Device according to one of the preceding claims, characterized in that said axis (22) of a sliding fastener (2) has a groove (25) while said locking element (4) has a projection (42) , this groove and this projection (25, 42) cooperating to lock and unlock the clip axially (2) in its transverse bore (10).
4. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que ledit élément de verrouillage (4) comporte une ouverture oblongue (41 ) dans laquelle s'étendent les axes (22,32) des attaches (2,3).4. Device according to one of the preceding claims, characterized in that said locking element (4) has an opening oblong (41) in which extend the axes (22,32) of the fasteners (2,3).
5. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que ledit élément de verrouillage (4) comporte un chanfrein (43) adapté à coopérer avec un chanfrein correspondant (27) sur l'axe (22) d'une attache coulissante (2) afin de permettre l'encliquetage des deux pièces par une pression sur ladite attache (2) dans la direction de l'axe dudit alésage transversal (10).5. Device according to one of the preceding claims, characterized in that said locking element (4) comprises a chamfer (43) adapted to cooperate with a corresponding chamfer (27) on the axis (22) of a fastener sliding (2) to allow the locking of the two parts by pressing on said fastener (2) in the direction of the axis of said transverse bore (10).
6. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que ledit élément de verrouillage (4) est réalisé en forme de bouton poussoir, un ressort de rappel (7) assurant la force nécessaire pour le maintien de ce bouton poussoir (4) dans sa position de verrouillage.6. Device according to one of the preceding claims, characterized in that said locking element (4) is produced in the form of a push button, a return spring (7) ensuring the force necessary for the maintenance of this push button ( 4) in its locked position.
7. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que le corps (1 ) est constitué par la carrure d'un boîtier de montre.7. Device according to one of the preceding claims, characterized in that the body (1) consists of the middle part of a watch case.
8. Dispositif de fixation d'un bracelet comportant une première attache (2) et une deuxième attache (3) adaptées à recevoir une barrette (8) de bracelet, caractérisé par le fait qu'au moins une des attaches (2,3) comporte un axe (22,32) sensiblement parallèle à la barrette (8) ; par le fait que cet axe (22,32) est logé de manière pivotante dans un alésage transversal (10) d'un corps (1 ) ; et par le fait que le dispositif comporte au moins un élément de maintien (5) logé dans au moins un perçage borgne (1 1) du corps (1 ) intersectant ledit alésage transversal (10) et coopérant avec au moins un axe (22,32) des attaches (2,3) de façon à permettre le maintien et en même temps le pivotement de ces attaches (2,3) dans les alésages transversaux (10). 8. Device for fixing a bracelet comprising a first fastener (2) and a second fastener (3) adapted to receive a strap (8) of bracelet, characterized in that at least one of the fasteners (2,3) comprises an axis (22,32) substantially parallel to the bar (8); by the fact that this axis (22,32) is pivotally housed in a transverse bore (10) of a body (1); and in that the device comprises at least one holding element (5) housed in at least one blind bore (1 1) of the body (1) intersecting said transverse bore (10) and cooperating with at least one axis (22, 32) of the fasteners (2,3) so as to allow the maintenance and at the same time the pivoting of these fasteners (2,3) in the transverse bores (10).
9. Dispositif selon la revendication précédente, caractérisé par le fait que les deux attaches (2,3) du dispositif comportent chacun un axe (22,32) adapté à être logé de manière pivotante dans ledit alésage transversal (10) du corps (1 ) et coopérant chacun avec un desdits éléments de maintien (5).9. Device according to the preceding claim, characterized in that the two fasteners (2,3) of the device each comprise an axis (22,32) adapted to be pivotally housed in said transverse bore (10) of the body (1 ) and each cooperating with one of said holding elements (5).
10. Dispositif selon la revendication précédente, caractérisé par le fait que les axes (22,32) des deux attaches (2,3) s'accouplent dans ledit alésage transversal (10) en se terminant par un méplat (24,34) afin de synchroniser le pivotement des deux attaches (2,3).10. Device according to the preceding claim, characterized in that the axes (22,32) of the two fasteners (2,3) mate in said transverse bore (10) ending in a flat (24,34) so synchronize the pivoting of the two fasteners (2,3).
1 1. Dispositif selon l'une des revendications 8 à 10, caractérisé par le fait que lesdits axes (22,32) comportent chacun une saignée (23, 33) ayant un profil de plus de 180°, ce profil déterminant l'angle maximal de pivotement des attaches (2,3).1 1. Device according to one of claims 8 to 10, characterized in that said axes (22,32) each comprise a groove (23, 33) having a profile of more than 180 °, this profile determining the angle maximum pivoting of the fasteners (2,3).
12. Dispositif selon l'une des revendications 8 à 1 1 , caractérisé par le fait que lesdits éléments de maintien (5) sont constitués par des goupilles cylindriques maintenues dans lesdits perçages borgnes (1 1 ) par un fond (6) adapté à être fixé sur le corps (1 ).12. Device according to one of claims 8 to 1 1, characterized in that said holding elements (5) are constituted by cylindrical pins held in said blind holes (1 1) by a bottom (6) adapted to be fixed to the body (1).
13. Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait qu'il comprend les caractéristiques de l'une ou plusieurs des revendications 8 à 12.13. Device according to one of claims 1 to 7, characterized in that it comprises the characteristics of one or more of claims 8 to 12.
14. Dispositif selon la revendication précédente, caractérisé par le fait que la saignée (23) d'une première attache coulissante (2) est plus large que celle (33) d'une seconde attache non coulissante (3) afin de permettre le mouvement longitudinal de cette première attache (2).14. Device according to the preceding claim, characterized in that the groove (23) of a first sliding fastener (2) is wider than that (33) of a second non-sliding fastener (3) in order to allow the longitudinal movement of this first fastener (2).
15. Dispositif selon l'une des revendications 13 à 14, caractérisé par le fait que lesdits perçages borgnes (11) et ledit trou (12) intersectent ledit alésage transversal (10) orthogonalement.15. Device according to one of claims 13 to 14, characterized in that said blind holes (11) and said hole (12) intersect said transverse bore (10) orthogonally.
16. Montre, caractérisée par le fait qu'elle comporte un dispositif de fixation de bracelet selon l'une des revendications précédentes. 16. Watch, characterized in that it comprises a bracelet fixing device according to one of the preceding claims.
EP04769362A 2003-09-22 2004-09-14 Device for fixing a bracelet Active EP1664940B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH16192003 2003-09-22
PCT/IB2004/002972 WO2005029204A1 (en) 2003-09-22 2004-09-14 Strap attachment device

Publications (2)

Publication Number Publication Date
EP1664940A1 true EP1664940A1 (en) 2006-06-07
EP1664940B1 EP1664940B1 (en) 2007-07-04

Family

ID=34318812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04769362A Active EP1664940B1 (en) 2003-09-22 2004-09-14 Device for fixing a bracelet

Country Status (6)

Country Link
US (1) US20070028428A1 (en)
EP (1) EP1664940B1 (en)
JP (1) JP2007506087A (en)
AT (1) ATE366430T1 (en)
DE (1) DE602004007398T2 (en)
WO (1) WO2005029204A1 (en)

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EP2672337A1 (en) 2012-06-06 2013-12-11 Glashütter Uhrenbetrieb GmbH Removable, pivoting attachment device for watch strap

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US8007165B1 (en) * 2010-02-19 2011-08-30 Invicta Watch Company Of America, Inc. Coupling assembly for a wristwatch
CH706443A1 (en) * 2012-04-27 2013-10-31 Piguet & Co Horlogerie A fastening device with an interchangeable bracelet timepiece.
CH711611A1 (en) * 2015-10-06 2017-04-13 Tag Heuer - Swiss Mft Sa Watch case with removable horns.
CH712446A1 (en) * 2016-05-10 2017-11-15 Lvmh Swiss Mft Sa Watch case with removable horns and method of assembling a bracelet on such a watch case.
CH714110A1 (en) * 2017-09-01 2019-03-15 Carlo Ferrara Sa C/O Arc Fiduciaire Sa Watch case with moving horns.
EP3753439B8 (en) * 2019-06-17 2023-07-12 Dexel SA Removable device for mechanical link between a bracelet and a mechanical part

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GB618917A (en) * 1946-11-12 1949-03-01 Edward Browning Eustance Improvements in or relating to strap-attaching lugs for wrist watches and wristlet ornaments
CH674291B5 (en) * 1989-03-30 1990-11-30 Ravene S A C O Fiducior S A
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2672337A1 (en) 2012-06-06 2013-12-11 Glashütter Uhrenbetrieb GmbH Removable, pivoting attachment device for watch strap
WO2013182397A1 (en) 2012-06-06 2013-12-12 Glashütter Uhrenbetrieb GmbH Removable and pivotable attachment device for a watchstrap

Also Published As

Publication number Publication date
DE602004007398D1 (en) 2007-08-16
EP1664940B1 (en) 2007-07-04
DE602004007398T2 (en) 2008-03-06
US20070028428A1 (en) 2007-02-08
ATE366430T1 (en) 2007-07-15
WO2005029204A1 (en) 2005-03-31
JP2007506087A (en) 2007-03-15

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