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WO1998018360A1 - Rigid band in particular for watch - Google Patents

Rigid band in particular for watch Download PDF

Info

Publication number
WO1998018360A1
WO1998018360A1 PCT/FR1997/001947 FR9701947W WO9818360A1 WO 1998018360 A1 WO1998018360 A1 WO 1998018360A1 FR 9701947 W FR9701947 W FR 9701947W WO 9818360 A1 WO9818360 A1 WO 9818360A1
Authority
WO
WIPO (PCT)
Prior art keywords
links
bracelet
link
groove
connecting element
Prior art date
Application number
PCT/FR1997/001947
Other languages
French (fr)
Inventor
Claude Grossiord
Sonia Ausgburger
Original Assignee
G + F Chatelain 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 G + F Chatelain Sa filed Critical G + F Chatelain Sa
Priority to EP97912287A priority Critical patent/EP0935431B1/en
Priority to DE69706696T priority patent/DE69706696T2/en
Priority to JP10520137A priority patent/JP2001502586A/en
Publication of WO1998018360A1 publication Critical patent/WO1998018360A1/en

Links

Classifications

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

Definitions

  • the present invention relates to metal watch straps, and more particularly those made up of a plurality of rigid links hinged on each other.
  • Metal bracelets of the aforementioned type are usually formed from two series of essential elements, namely links and connecting elements which ensure that these links are held together.
  • the links, as well as their connecting elements, usually have a complex cross section and are generally obtained from profiled elements formed in particular by spinning.
  • the object of the present invention is to remedy these various drawbacks by proposing a watch strap of rigid type in which the links which constitute it do not come into contact with each other, when the bracelet is in the position of use, that is to say when it is on the wrist of a user , which avoids the previously mentioned problems.
  • the present invention further aims to provide a rigid type watch strap which can be checked the overall shape of the two half-bracelets that constitute it when it is in the non-use position.
  • the present invention thus relates to a rigid bracelet, in particular for a watch, of the type consisting of a plurality of adjacent links connected to each other by connecting elements characterized in that: - two adjacent links are joined by at least one element of link, cylindrical in shape and cross section in the form of an arc of a circle which extends transversely over at least part of the width of the links, - each link is hollowed out, from its lateral faces, with a groove of shape complementary to that of the connecting element, the concavity of which is oriented towards the inside of the bracelet, so that a connecting element can take place in the corresponding grooves of two adjacent links, and move by sliding in those -this in the longitudinal direction of the bracelet.
  • the links and / or the connecting elements comprise at least internal abutment means capable of controlling and limiting this movement.
  • each part of the connecting element taking place in said groove comprises a transverse light capable of receiving a stop element integral with the link, the length of the light and the width of said stop being such that they make it possible to adjust the possible angle of rotation of the connecting element with respect to each of the links.
  • Such a stop is advantageously arranged in such a way that it is perpendicular to the groove, which allows a frank contact to be obtained between this stop and the element that it is intended to immobilize.
  • the center of curvature of the groove produced in each of the links is arranged on an axis perpendicular to the base surface of the link and is distant, in the position of maximum retraction of the bracelet, from the transverse sides of this link by a value equal to half of the spacing that one wishes to have between the adjacent links in the maximum retraction position of the bracelet.
  • each of the links consists of at least two integral parts, namely a lower part and an upper part, the surfaces facing these two parts being machined in such a way that, when they are assembled, they form the above-mentioned groove together.
  • the link consists of two integral elements, namely a base element and an upper element.
  • the stop element consists of a cylindrical pin which takes place in a recess provided on the base element of the link.
  • FIG. 1 is a schematic sectional view along the longitudinal axis of the bracelet of two links and of a connecting element according to the prior art, before the bracelet is placed on the wrist of a user (not in use).
  • Figure la is a schematic sectional view along the longitudinal axis of the bracelet of two links and the connecting element shown in Figure 1, once the bracelet placed in position on the wrist of a user (position use) .
  • Figure 2 is a schematic sectional view along the longitudinal axis of the bracelet of an alternative embodiment of two links and a connecting element according to the prior art.
  • FIG. 3 is a sectional view along the longitudinal axis of the bracelet of three links of a watch bracelet according to the invention and of the connecting elements which ensure their maintenance, the two links on the left being in the non-use position and the two links on the right being in the position of use.
  • FIG. 4 is a perspective view of the two links on the right and their connecting element according to the invention shown in FIG. 3.
  • Figure 5 is a cross-sectional view of a connecting element according to the invention.
  • Figure 6 is a cross-sectional view of an embodiment of a link according to the invention.
  • Figure 7 is a cross-sectional view of an alternative embodiment of a bracelet link according to the invention.
  • Figure 8 is a perspective view of an alternative embodiment of two links of a bracelet 1 according to the invention.
  • Figure 9 is a perspective view of an alternative embodiment of a bracelet according to the invention.
  • FIG. 9a is a cross-sectional view of the links shown in FIG. 9.
  • Figure 10 is a partial sectional view along the longitudinal axis of the bracelet, another alternative embodiment of the invention.
  • each of the transverse sides 6 ′ of the links 1c is hollowed out, over its entire width, with a cavity 4 ′, a substantially circular cavity which opens onto the outside, and the connecting element 7 ′ which s extends over the entire width of the links l 'consists of a transverse element which takes up, with a clearance necessary for movement, the shape of each of these cavities 4' and which takes place in them.
  • the clearance provided between the cavities 4 'and the connecting element 7' allows, as shown in Figure la, a relative rotation of the two adjacent links relative to each other, so as to allow the establishment of the bracelet on the wrist of the user.
  • a force F is exerted on each of the links, directed in particular towards the inside of the bracelet, that is to say on the side of the bracelet which is on the side of the user's wrist
  • the lever arm existing between the points of application of this force F and the contact surface S of the two adjacent links creates a torque which, if the force F becomes too great, has the effect of cause either the bursting of the links or the rupture of the connecting element 7 '.
  • FIG. 2 An alternative embodiment of a bracelet according to the prior art, in which the two adjacent links have transverse faces vis-à-vis complementary shapes, namely a female part or cavity 4 'on one of the links and a male part 4'', of complementary shape, on the other adjacent link l'.
  • any force F exerted on each of these links creates it, as before, a torque causing, if the force F is sufficient, the rupture of the links.
  • each link 1 of the bracelet consists of three elements, namely a base element 2, an upper element 3 and stops 5.
  • Connection elements 7 ensure the maintenance between them of the links 1.
  • the base element 2 and the upper element 3 are machined so as to provide therebetween, when assembled, a groove 9 whose cross section is in the form of an arc of a circle, and which extends over the entire length a of each link 1.
  • the base element 2 comprises, in two zones close to its ends, a hole 8 and the upper element 3 comprises, opposite, a hole corresponding thread 8 ', so that two screws 10 can maintain the two elements 2 and 3 forming the link 1.
  • Each connecting element 7 consists of an angular portion of cylindrical tube, which thus gives it a form of tile, the thickness of which is such that it can take place, by sliding, in the groove 9 provided between the element base 2 and the upper element 3.
  • the lower wall of the groove 9 is pierced with four cylindrical blind holes 14 whose axis xx 'is inclined at an angle of about 45 ° relative to the base surface 11 of the base element 2, in each of which takes place a cylindrical stud 5 forming an abutment office.
  • the connecting elements 7 comprise slots 13 elongated in their transverse direction, so as to receive the pins 5 and allow controlled rotation of the connecting element 7 relative to the link 1.
  • the opening angle ⁇ of the light 13 and the diameter d of the pins 5 will be determined to adjust, during construction, the possible angle ⁇ of relative rotation of the link 1 relative to the connecting element 7, as shown in Figure 5.
  • each end of the lumen 13 thus forms a stop which limits the rotation of the connecting element in the groove 9.
  • the outer end 13a light 13 forms an external stop which limits the extension of the bracelet
  • the end 13b thereof forms an internal stop which limits the retraction of the bracelet.
  • the bracelet is in maximum extension when the pins 5 are in contact with the external stops 13a of the respective lights 13, and is in maximum retraction when the pins 5 are in contact with the internal stops 13b of the lights 13.
  • each connecting element 7 slides in each of the grooves 9 of the links 1, the movement produced by the different elements present is a sliding movement, and not a rotational movement around an axis, as is the case in the devices of the prior art.
  • the links 1 may also consist of a single-piece element, which can be obtained in particular by a spinning process.
  • the stops 5 ′ may consist of pins 16, extending a threaded part 18 which is screwed into the link 1 from its base.
  • the abutment means can also be produced other than by pins.
  • the four lower corners of the upper element 3 form a stop 20 which takes place in a lumen 13 ′ of the connecting element 7.
  • the upper element 3 of the link 1 can be produced in several parts 3a secured to the base element, in particular by screwing means, as described above and shown in FIGS. 3 and 6, these parts 3a can be made of metals of a different nature and / or color.
  • Such an embodiment thus lends itself particularly well to many aesthetic variants.
  • the present invention thus makes it possible to dissociate the elements of an aesthetic nature from the elements functional, which gives the designer great freedom in his designs.
  • the present invention because of the simplicity of the shapes of the elements which it implements, lends itself particularly well to the manufacture of a bracelet by techniques of the stamping type.
  • the links will thus be formed into two elements, namely, a basic element and an upper element, and will be joined by a connecting element.
  • the stops can be formed on the base element, in particular during stamping, by creating a punch in the material and folding of the punched part.

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  • Buckles (AREA)
  • Adornments (AREA)
  • Electric Clocks (AREA)

Abstract

The invention concerns a rigid band in particular for watch made up of a plurality of adjacent chain links (1) mutually coupled by linking elements (7). This band is characterised in that two adjacent chain links (1) are coupled by at least one cylindrical linking means (7) having an arc-shaped cross section, extending over at least part of the width of the chain links (1), each chain link (1) being recessed, from its side faces, with a groove (9) with a shape matching that of the linking element (7), with its concave part directed towards the inside of the band, such that part of the linking element (7) can be located (9) in a groove of an adjacent chain link (1), and slide in these grooves (9), the chain links (1) and/or the linking elements (7) comprise stop means (5, 5') for controlling and limiting the displacement.

Description

BRACELET RIGIDE NOTAMMENT POUR MONTRE RIGID STRAP, ESPECIALLY FOR A WATCH
La présente invention concerne les bracelets-montres métalliques, et plus particulièrement ceux constitués d'une pluralité de maillons rigides articulés les uns sur les autres.The present invention relates to metal watch straps, and more particularly those made up of a plurality of rigid links hinged on each other.
Les bracelets métalliques du type précité sont habituellement formés de deux séries d'éléments essentiels, à savoir des maillons et des éléments de liaison qui assurent le maintien de ces maillons entre eux. Les maillons, ainsi que leurs éléments de liaison, possèdent habituellement une section droite complexe et sont généralement obtenus à partir d'éléments profilés formés notamment par filage.Metal bracelets of the aforementioned type are usually formed from two series of essential elements, namely links and connecting elements which ensure that these links are held together. The links, as well as their connecting elements, usually have a complex cross section and are generally obtained from profiled elements formed in particular by spinning.
Bien que dans les bracelets métalliques de l'état antérieur de la technique les modes de liaison utilisés pour assurer le maintien des maillons soient d'une grande diversité, ils possèdent dans leur ensemble une partie mâle qui vient s'articuler dans une partie femelle de forme complémentaire creusée dans le maillon. Une telle disposition permet une rotation des maillons du bracelet les uns par rapport aux autres d'une part dans un sens dit normal, c'est-à-dire dans le sens qui permet son positionnement autour du poignet de l'utilisateur, et d'autre part en sens opposé. Dans ces dispositifs, aussi bien lorsque, au repos, on plie le bracelet dans le sens normal que dans le sens opposé, on arrive à une position de blocage de celui-ci qui se produit lorsque les maillons adjacents viennent en contact respectif les uns avec les autres.Although in the metal bracelets of the prior art the connection methods used to ensure the maintenance of the links are of great diversity, they generally have a male part which is articulated in a female part of complementary shape carved into the link. Such an arrangement allows rotation of the links of the bracelet relative to each other on the one hand in a direction called normal, that is to say in the direction which allows its positioning around the wrist of the user, and d on the other hand in the opposite direction. In these devices, both when, at rest, the bracelet is folded in the normal direction and in the opposite direction, one arrives at a blocking position thereof which occurs when the adjacent links come into respective contact with each other.
Il s'avère que, dans ces positions, si l'utilisateur exerce un effort soutenu sur le bracelet, il crée, en raison du bras de levier constitué par les maillons, un couple tel que les maillons, ou les éléments de liaison qui les maintiennent, les plus faibles sont amenés très facilement à la rupture.It turns out that, in these positions, if the user exerts a sustained force on the bracelet, he creates, due to the lever arm constituted by the links, a couple such as the links, or the connecting elements which maintain, the weakest are very easily brought to rupture.
De plus, la forme globale prise par le bracelet, dans chacune de ces deux positions, est quasiment impossible à contrôler, en raison de ce que, les tolérances d'usinage qui existent sur les différents maillons ont pour effet de produire, en raison de la superposition de ces tolérances, des formes de bracelet qui varient non seulement d'un exemplaire à un autre, mais également d'un demi-bracelet à un autre. Bien qu'un tel inconvénient n'ait sur le plan pratique aucune conséquence sur le bon comportement mécanique des bracelets, il a néanmoins pour effet d'être particulièrement inesthétique. Par ailleurs, lors de la mise en place du bracelet sur le poignet de l'utilisateur, les maillons passant d'une position dans laquelle ils sont écartés les uns des autres à une position dans laquelle ils viennent en contact, ont tendance à emprisonner entre eux, au cours de ce mouvement, des poils du bras de l'utilisateur, ce qui est de nature à causer une gêne notable à celui-ci.In addition, the overall shape taken by the bracelet, in each of these two positions, is almost impossible to control, because what, the machining tolerances that exist on the different links have the effect of producing, due to the superposition of these tolerances, forms of bracelet which vary not only from one copy to another, but also from one half-bracelet to another. Although such a drawback has no practical effect on the good mechanical behavior of the bracelets, it nevertheless has the effect of being particularly unsightly. Furthermore, when the bracelet is placed on the user's wrist, the links passing from a position in which they are separated from one another to a position in which they come into contact, tend to trap between them, during this movement, hair on the user's arm, which is likely to cause discomfort to the user.
La présente invention a pour but de remédier à ces divers inconvénients en proposant un bracelet-montre de type rigide dans lequel les maillons qui le constituent ne viennent pas en contact les uns avec les autres, lorsque le bracelet se trouve en position d'utilisation, c'est-à-dire lorsqu'il se trouve sur le poignet d'un utilisateur, ce qui permet d'éviter les problèmes précédemment mentionnés. La présente invention a de plus pour but de proposer un bracelet-montre de type rigide dont on peut contrôler la forme globale des deux demi- bracelets qui le constituent lorsqu'il se trouve en position de non utilisation.The object of the present invention is to remedy these various drawbacks by proposing a watch strap of rigid type in which the links which constitute it do not come into contact with each other, when the bracelet is in the position of use, that is to say when it is on the wrist of a user , which avoids the previously mentioned problems. The present invention further aims to provide a rigid type watch strap which can be checked the overall shape of the two half-bracelets that constitute it when it is in the non-use position.
La présente invention a ainsi pour objet un bracelet rigide, notamment pour montre, du type constitué d'une pluralité de maillons adjacents reliés entre eux par des éléments de liaison caractérisé en ce que : - deux maillons adjacents sont réunis par au moins un élément de liaison, de forme cylindrique et de section droite en forme d'arc de cercle qui s'étend transversalement sur au moins une partie de la largeur des maillons, - chaque maillon est creusé, à partir de ses faces latérales, d'une rainure de forme complémentaire de celle de l'élément de liaison, dont la concavité est orientée vers l'intérieur du bracelet, de façon qu'un élément de liaison puisse prendre place dans les rainures correspondantes de deux maillons adjacents, et se déplacer par coulissement dans celles-ci dans le sens longitudinal du bracelet. les maillons et/ou les éléments de liaison comportent au moins des moyens de butée interne aptes à contrôler et limiter ce déplacement.The present invention thus relates to a rigid bracelet, in particular for a watch, of the type consisting of a plurality of adjacent links connected to each other by connecting elements characterized in that: - two adjacent links are joined by at least one element of link, cylindrical in shape and cross section in the form of an arc of a circle which extends transversely over at least part of the width of the links, - each link is hollowed out, from its lateral faces, with a groove of shape complementary to that of the connecting element, the concavity of which is oriented towards the inside of the bracelet, so that a connecting element can take place in the corresponding grooves of two adjacent links, and move by sliding in those -this in the longitudinal direction of the bracelet. the links and / or the connecting elements comprise at least internal abutment means capable of controlling and limiting this movement.
Dans un mode de mise en oeuvre de l'invention, chaque partie de l'élément de liaison prenant place dans ladite rainure comporte une lumière transversale apte à recevoir un élément de butée solidaire du maillon, la longueur de la lumière et la largeur de ladite butée étant telles qu'elles permettent de régler l'angle de rotation possible de l'élément de liaison par rapport à chacun des maillons .In one embodiment of the invention, each part of the connecting element taking place in said groove comprises a transverse light capable of receiving a stop element integral with the link, the length of the light and the width of said stop being such that they make it possible to adjust the possible angle of rotation of the connecting element with respect to each of the links.
A la différence des bracelets-montres de l'état antérieur de la technique il n'y a pas, dans les bracelets suivant l'invention, de mouvement de pivotement relatif des maillons autour -d'un axe d'articulation, mais un mouvement de coulissement de chaque maillon sur les éléments de liaisons qui lui sont adjacents. L'inclinaison relative des maillons les uns par rapport aux autres, qui est nécessaire à la mise en place du bracelet sur le poignet de l'utilisateur, est obtenue par la forme semi-circulaire de chaque élément de liaison et de la rainure dans laquelle il est disposé. Dans ces conditions, l'immobilisation en rotation des maillons les uns par rapport aux autres s'effectue, non pas par le contact des maillons les uns avec les autres, mais par la mise en oeuvre d'une butée qui interrompt le mouvement de coulissement des ' éléments de liaison dans les rainures des maillons. Une telle butée est avantageusement disposée de façon telle qu'elle se trouve perpendiculaire à la rainure, ce qui permet d'obtenir un contact franc, entre cette butée et l'élément qu'elle est destinée à immobiliser. Préférentiellement le centre de courbure de la rainure réalisée dans chacun des maillons est disposé sur un axe perpendiculaire à la surface de base du maillon et est distant, en position de rétraction maximale du bracelet, des côtés transversaux de ce maillon d'une valeur égale à la moitié de l'écartement que l'on souhaite avoir entre les maillons adjacents en position de rétraction maximale du bracelet.Unlike the wristwatches of the prior art there is not, in the bracelets according to the invention, a relative pivoting movement of the links around a hinge axis, but a movement sliding of each link on the connecting elements which are adjacent to it. The relative inclination of the links with respect to each other, which is necessary for the positioning of the bracelet on the wrist of the user, is obtained by the semi-circular shape of each connecting element and of the groove in which he is willing. Under these conditions, the immobilization in rotation of the links with respect to each other takes place, not by the contact of the links with each other, but by the implementation of a stop which interrupts the sliding movement. ' connecting elements in the grooves of the links. Such a stop is advantageously arranged in such a way that it is perpendicular to the groove, which allows a frank contact to be obtained between this stop and the element that it is intended to immobilize. Preferably, the center of curvature of the groove produced in each of the links is arranged on an axis perpendicular to the base surface of the link and is distant, in the position of maximum retraction of the bracelet, from the transverse sides of this link by a value equal to half of the spacing that one wishes to have between the adjacent links in the maximum retraction position of the bracelet.
Dans un autre mode de mise en oeuvre de 1 ' invention, chacun des maillons est constitué d'au moins deux parties solidarisables, à savoir une partie inférieure et une partie supérieure, les surfaces en vis-à-vis de ces deux parties étant usinées de façon telle que, lorsqu'elles sont assemblées, elles forment entre elles la susdite rainure. Dans certaines applications de l'invention le maillon est constitué de deux éléments solidarisables à savoir un élément de base et un élément supérieur.In another embodiment of the invention, each of the links consists of at least two integral parts, namely a lower part and an upper part, the surfaces facing these two parts being machined in such a way that, when they are assembled, they form the above-mentioned groove together. In certain applications of the invention, the link consists of two integral elements, namely a base element and an upper element.
Dans une variante de ce mode de mise en oeuvre, l'élément de butée est constitué d'un pion cylindrique qui prend place dans un evidement prévu sur l'élément de base du maillon. On décrira ci-après, à titre d'exemples non limitatifs, diverses formes d'exécution de la présente invention, en référence au dessin annexé sur lequel :In a variant of this embodiment, the stop element consists of a cylindrical pin which takes place in a recess provided on the base element of the link. Various embodiments of the present invention will be described below, by way of nonlimiting examples, with reference to the appended drawing in which:
La figure 1 est une vue schématique en coupe suivant l'axe longitudinal du bracelet de deux maillons et d'un élément de liaison suivant l'état antérieur de la technique, avant la mise en place du bracelet sur le poignet d'un utilisateur (position de non utilisation) .FIG. 1 is a schematic sectional view along the longitudinal axis of the bracelet of two links and of a connecting element according to the prior art, before the bracelet is placed on the wrist of a user ( not in use).
La figure la est une vue schématique en coupe suivant l'axe longitudinal du bracelet de deux maillons et de l'élément de liaison représentés sur la figure 1, une fois le bracelet mis en position sur le poignet d'un utilisateur (position d'utilisation) .Figure la is a schematic sectional view along the longitudinal axis of the bracelet of two links and the connecting element shown in Figure 1, once the bracelet placed in position on the wrist of a user (position use) .
La figure 2 est une vue schématique en coupe suivant l'axe longitudinal du bracelet d'une variante de réalisation de deux maillons et d'un élément de liaison suivant l'état antérieur de la technique.Figure 2 is a schematic sectional view along the longitudinal axis of the bracelet of an alternative embodiment of two links and a connecting element according to the prior art.
La figure 3 est une vue en coupe suivant l'axe longitudinal du bracelet de trois maillons d'un bracelet- montre suivant l'invention et des éléments de liaison qui assurent leur maintien, les deux maillons de gauche étant en position de non utilisation et les deux maillons de droite étant en position d'utilisation.FIG. 3 is a sectional view along the longitudinal axis of the bracelet of three links of a watch bracelet according to the invention and of the connecting elements which ensure their maintenance, the two links on the left being in the non-use position and the two links on the right being in the position of use.
La figure 4 est une vue en perspective des deux maillons de droite et de leur élément de liaison suivant l'invention représentés sur la figure 3.FIG. 4 is a perspective view of the two links on the right and their connecting element according to the invention shown in FIG. 3.
La figure 5 est une vue en coupe transversale d'un élément de liaison suivant l'invention. La figure 6 est une vue en coupe transversale d'un mode de mise en oeuvre d'un maillon suivant l'invention.Figure 5 is a cross-sectional view of a connecting element according to the invention. Figure 6 is a cross-sectional view of an embodiment of a link according to the invention.
La figure 7 est une vue en coupe transversale d'une variante de mise en oeuvre d'un maillon de bracelet suivant l'invention.Figure 7 is a cross-sectional view of an alternative embodiment of a bracelet link according to the invention.
La figure 8 est une vue en perspective d'une variante de mise en oeuvre de deux maillons d'un bracelet suivant 1 ' invention.Figure 8 is a perspective view of an alternative embodiment of two links of a bracelet 1 according to the invention.
La figure 9 est une vue en perspective d'une variante de mise en oeuvre d'un bracelet suivant l'invention.Figure 9 is a perspective view of an alternative embodiment of a bracelet according to the invention.
La figure 9a est une vue en coupe transversale des maillons représentés sur la figure 9.FIG. 9a is a cross-sectional view of the links shown in FIG. 9.
La figure 10 est une vue en coupe partielle, suivant l'axe longitudinal du bracelet, d'une autre variante de mise en oeuvre de l'invention.Figure 10 is a partial sectional view along the longitudinal axis of the bracelet, another alternative embodiment of the invention.
On a représenté sur les figures 1 et la deux parties de deux maillons adjacents l' d'un bracelet métallique, qui sont réunis par un élément de liaison 7' suivant l'état antérieur de la technique. Pour ce faire, chacun des côtés transversaux 6' des maillons l' est creusé, sur toute sa largeur, d'une cavité 4', cavité sensiblement circulaire qui débouche sur l'extérieur, et l'élément de liaison 7' qui s'étend sur toute la largeur des maillons l' est constitué d'un élément transversal qui reprend, avec un jeu nécessaire au mouvement, la forme de chacune de ces cavités 4' et qui prend place dans celles-ci. Le jeu prévu entre les cavités 4' et l'élément de liaison 7' permet, comme représenté sur la figure la, une rotation relative des deux maillons adjacents l'un par rapport à l'autre, de façon à permettre la mise en place du bracelet sur le poignet de l'utilisateur. Ainsi que représenté sur la figure la, lorsque l'on exerce sur chacun des maillons l' une force F, dirigée notamment vers l'intérieur du bracelet, c'est-à-dire du côté de celui-ci qui se trouve du côté du poignet de l'utilisateur, le bras de levier existant entre les points d'application de cette force F et la surface de contact S des deux maillons adjacents l' crée un couple qui, si la force F devient trop importante a pour effet de provoquer soit l'éclatement des maillons l' soit la rupture de l'élément de liaison 7'. On a représenté sur la figure 2 une variante de mise en oeuvre d'un bracelet suivant l'état antérieur de la technique, dans laquelle les deux maillons adjacents l' ont des faces transversales en vis-à-vis de formes complémentaires, à savoir une partie femelle ou cavité 4' sur l'un des maillons et une partie mâle 4'', de forme complémentaire, sur l'autre maillon adjacent l'. En position d'utilisation, toute force F exercée sur chacun de ces maillons l' crée, comme précédemment, un couple provoquant si la force F est suffisante, la rupture des maillons.There is shown in Figures 1 and the two parts of two adjacent links l 'of a metal bracelet, which are joined by a connecting element 7' according to the prior art. To do this, each of the transverse sides 6 ′ of the links 1c is hollowed out, over its entire width, with a cavity 4 ′, a substantially circular cavity which opens onto the outside, and the connecting element 7 ′ which s extends over the entire width of the links l 'consists of a transverse element which takes up, with a clearance necessary for movement, the shape of each of these cavities 4' and which takes place in them. The clearance provided between the cavities 4 'and the connecting element 7' allows, as shown in Figure la, a relative rotation of the two adjacent links relative to each other, so as to allow the establishment of the bracelet on the wrist of the user. As shown in FIG. 1 a, when a force F is exerted on each of the links, directed in particular towards the inside of the bracelet, that is to say on the side of the bracelet which is on the side of the user's wrist, the lever arm existing between the points of application of this force F and the contact surface S of the two adjacent links creates a torque which, if the force F becomes too great, has the effect of cause either the bursting of the links or the rupture of the connecting element 7 '. There is shown in Figure 2 an alternative embodiment of a bracelet according to the prior art, in which the two adjacent links have transverse faces vis-à-vis complementary shapes, namely a female part or cavity 4 'on one of the links and a male part 4'', of complementary shape, on the other adjacent link l'. In the position of use, any force F exerted on each of these links creates it, as before, a torque causing, if the force F is sufficient, the rupture of the links.
On a représenté sur les figures 3 à 6 un mode de mise en oeuvre d'un ' bracelet suivant l'invention. Sur ces figures chaque maillon 1 du bracelet est constitué de trois éléments, à savoir un élément de base 2, un élément supérieur 3 et des butées 5. Des éléments de liaison 7 assurent le maintien entre eux des maillons 1.There is shown in Figures 3 to 6 an embodiment of a ' bracelet according to the invention. In these figures each link 1 of the bracelet consists of three elements, namely a base element 2, an upper element 3 and stops 5. Connection elements 7 ensure the maintenance between them of the links 1.
Comme représenté sur les figures, l'élément de base 2 et l'élément supérieur 3 sont usinés de façon à prévoir entre eux, lorsqu'ils sont assemblés, une rainure 9 dont la section droite est en forme d'arc de cercle, et qui s'étend sur toute la longueur a de chaque maillon 1. L'élément de base 2 comporte, en deux zones voisines de ses extrémités, un trou 8 et l'élément supérieur 3 comporte, en vis-à-vis, un trou fileté correspondant 8', de façon que deux vis 10 puissent assurer le maintien des deux éléments 2 et 3 formant le maillon 1.As shown in the figures, the base element 2 and the upper element 3 are machined so as to provide therebetween, when assembled, a groove 9 whose cross section is in the form of an arc of a circle, and which extends over the entire length a of each link 1. The base element 2 comprises, in two zones close to its ends, a hole 8 and the upper element 3 comprises, opposite, a hole corresponding thread 8 ', so that two screws 10 can maintain the two elements 2 and 3 forming the link 1.
Chaque élément de liaison 7 est constitué d'une portion angulaire de tube cylindrique, qui lui donne ainsi une forme de tuile, dont l'épaisseur est telle qu'il puisse prendre place, à coulissement, dans la rainure 9 prévue entre l'élément de base 2 et l'élément supérieur 3. La paroi inférieure de la rainure 9 est percée de quatre trous borgnes cylindriques 14 dont l'axe xx ' est incliné d'un angle d'environ 45° par rapport à la surface de base 11 de l'élément de base 2, dans chacun desquels prend place un téton cylindrique 5 formant office de butée. Les éléments de liaison 7 comportent des lumières 13 allongées dans leur sens transversal, de façon à recevoir les tétons 5 et permettre une rotation contrôlée de l'élément de liaison 7 par rapport au maillon 1. A cet effet on déterminera l'angle d'ouverture β de la lumière 13 et le diamètre d des tétons 5 pour ajuster, de construction, l'angle possible γ de rotation relatif du maillon 1 par rapport à l'élément de liaison 7, ainsi que représenté sur la figure 5. On constate que chaque extrémité de la lumière 13 forme ainsi une butée qui limite la rotation de l'élément de liaison dans la rainure 9. Ainsi, comme représenté sur la figure 5, l'extrémité externe 13a de la lumière 13 forme une butée externe qui limite l'extension du bracelet, et l'extrémité 13b de celle-ci forme une butée interne qui limite la rétraction du bracelet. Dans un tel dispositif, le bracelet est en extension maximale lorsque les tétons 5 sont en contact avec les butées externes 13a des lumières respectives 13, et est en rétraction maximale lorsque les tétons 5 sont en contact avec les butées internes 13b des lumières 13. Dans ces conditions, on comprend que, quelque soit le mouvement ultérieur donné à deux maillons adjacents 1, ceux-ci ne pourront venir au cours du mouvement, en contact l'un avec l'autre. Il est ainsi possible de réaliser un bracelet-montre dont les maillons adjacents ne viennent pas en contact entre eux en position de rétraction maximale. Pour ce faire il suffit, ainsi que représenté sur la figure 3 (dans le cas des deux maillons les plus à gauche sur cette figure) de définir l'angle au centre de la section droite de l'élément de liaison 7 de façon que, en position de rétraction maximale, il existe un jeu e entre les maillons 1 adjacents. De plus, contrairement aux dispositifs de l'état antérieur de la technique, la présente invention permet de réaliser un bracelet-montre dont les surfaces de base 11 de chacun des maillons 1 se situent dans un même plan. Pour ce faire, ainsi que représenté sur la figure 10 le centre 0 de la rainure 9 réalisée dans chacun des maillons 1 sera disposé sur un axe de symétrie uu', perpendiculaire à la surface de base 11 de ces maillons, qui sera situé à égale distance (e/2) des côtés transversaux en regard 6 des maillons adjacentsEach connecting element 7 consists of an angular portion of cylindrical tube, which thus gives it a form of tile, the thickness of which is such that it can take place, by sliding, in the groove 9 provided between the element base 2 and the upper element 3. The lower wall of the groove 9 is pierced with four cylindrical blind holes 14 whose axis xx 'is inclined at an angle of about 45 ° relative to the base surface 11 of the base element 2, in each of which takes place a cylindrical stud 5 forming an abutment office. The connecting elements 7 comprise slots 13 elongated in their transverse direction, so as to receive the pins 5 and allow controlled rotation of the connecting element 7 relative to the link 1. To this end, the opening angle β of the light 13 and the diameter d of the pins 5 will be determined to adjust, during construction, the possible angle γ of relative rotation of the link 1 relative to the connecting element 7, as shown in Figure 5. We see that each end of the lumen 13 thus forms a stop which limits the rotation of the connecting element in the groove 9. Thus, as shown in Figure 5, the outer end 13a light 13 forms an external stop which limits the extension of the bracelet, and the end 13b thereof forms an internal stop which limits the retraction of the bracelet. In such a device, the bracelet is in maximum extension when the pins 5 are in contact with the external stops 13a of the respective lights 13, and is in maximum retraction when the pins 5 are in contact with the internal stops 13b of the lights 13. In these conditions, it is understood that, whatever the subsequent movement given to two adjacent links 1, these cannot come during the movement, in contact with one another. It is thus possible to produce a watch bracelet whose adjacent links do not come into contact with each other in the maximum retraction position. To do this, it suffices, as shown in FIG. 3 (in the case of the two leftmost links in this figure) to define the angle at the center of the cross section of the connecting element 7 so that, in the maximum retraction position, there is a clearance e between the 1 adjacent links. In addition, unlike the devices of the prior art, the present invention makes it possible to produce a watch bracelet whose base surfaces 11 of each of the links 1 lie in the same plane. To do this, as shown in Figure 10 the center 0 of the groove 9 made in each of the links 1 will be arranged on an axis of symmetry uu ', perpendicular to the base surface 11 of these links, which will be located at equal distance (e / 2) from the opposite transverse sides 6 of the adjacent links
1, lorsque ceux-ci sont en position de rétraction maximale, c'est-à-dire lorsque les tétons 5 sont en contact avec les extrémités internes 13b des lumières 13.1, when these are in the maximum retraction position, that is to say when the pins 5 are in contact with the internal ends 13b of the slots 13.
Lorsque, au cours de la mise en place du bracelet sur le poignet de l'utilisateur, chaque élément de liaison 7 coulisse dans chacune des rainures 9 des maillons 1, le mouvement réalisé par les différents éléments en présence est un mouvement de coulissement, et non un mouvement de rotation autour d'un axe, comme c'est le cas dans les dispositifs de l'état antérieur de la technique.When, during the fitting of the bracelet on the user's wrist, each connecting element 7 slides in each of the grooves 9 of the links 1, the movement produced by the different elements present is a sliding movement, and not a rotational movement around an axis, as is the case in the devices of the prior art.
On notera également que ce mouvement de coulissement est limité par les tétons 5 qui font office de butée, de façon franche, dans la mesure où ils sont perpendiculaires à la direction du mouvement effectué. Un tel dispositif permet ainsi de régler l'amplitude de rotation relative de deux maillons 1 adjacents de façon particulièrement précise et ceci, de fabrication. On notera également que, contrairement aux dispositifs de l'état antérieur de la technique, un effort exercé sur le bracelet se traduit par un effort exercé par les éléments de liaison 7 sur les tétons 5 de façon franche, sans création de couple, ce qui procure aux bracelets suivant l'invention une bien meilleure résistance mécanique.It will also be noted that this sliding movement is limited by the pins 5 which act as a stop, frankly, insofar as they are perpendicular to the direction of the movement carried out. Such a device thus makes it possible to adjust the relative amplitude of rotation of two adjacent links 1 in a particularly precise manner and this, during manufacture. It should also be noted that, unlike the the prior art, a force exerted on the bracelet results in a force exerted by the connecting elements 7 on the pins 5 frankly, without creating torque, which provides the bracelets according to the invention a good better mechanical resistance.
Bien entendu, ainsi que représenté sur la figure 7, les maillons 1 pourront également être constitués d'un élément en une seule partie, qui pourra être obtenue notamment par un procédé de filage. Dans une telle variante de mise en oeuvre, les butées 5' pourront être constituées de tétons 16, prolongeant une partie filetée 18 qui est vissée dans le maillon 1 à partir de sa base.Of course, as shown in Figure 7, the links 1 may also consist of a single-piece element, which can be obtained in particular by a spinning process. In such an implementation variant, the stops 5 ′ may consist of pins 16, extending a threaded part 18 which is screwed into the link 1 from its base.
Bien entendu, les moyens de butée peuvent également être réalisés autrement que par des tétons. Ainsi, sur les figures 9 et 9a, les quatre coins inférieurs de l'élément supérieur 3 forment une butée 20 qui prend place dans une lumière 13' de l'élément de liaison 7.Of course, the abutment means can also be produced other than by pins. Thus, in FIGS. 9 and 9a, the four lower corners of the upper element 3 form a stop 20 which takes place in a lumen 13 ′ of the connecting element 7.
Comme représenté sur la figure 8, l'élément supérieur 3 du maillon 1 pourra être réalisé en plusieurs parties 3a solidarisées de l'élément de base, notamment par des moyens de vissage, ainsi que décrit précédemment et représenté sur les figures 3 et 6, ces parties 3a pouvant être constituées de métaux de nature et/ou de couleur différente. Un tel mode de mise en oeuvre se prête ainsi particulièrement bien à de nombreuses variantes esthétiques. La présente invention permet ainsi de dissocier les éléments d'ordre esthétique des éléments d'ordre fonctionnel, ce qui donne au "designer" une grande liberté dans ses conceptions.As shown in FIG. 8, the upper element 3 of the link 1 can be produced in several parts 3a secured to the base element, in particular by screwing means, as described above and shown in FIGS. 3 and 6, these parts 3a can be made of metals of a different nature and / or color. Such an embodiment thus lends itself particularly well to many aesthetic variants. The present invention thus makes it possible to dissociate the elements of an aesthetic nature from the elements functional, which gives the designer great freedom in his designs.
La présente invention, en raison de la simplicité des formes des éléments qu'elle met en oeuvre, se prête particulièrement bien à la fabrication d'un bracelet par des techniques de type emboutissage.The present invention, because of the simplicity of the shapes of the elements which it implements, lends itself particularly well to the manufacture of a bracelet by techniques of the stamping type.
Dans ce type de mise en oeuvre les maillons seront ainsi formés en deux éléments à savoir, un élément de base et un élément supérieur, et seront réunis par un élément de liaison. Les butées pourront être formées sur l'élément de base, notamment en cours d'emboutissage, par création d'un poinçonnement dans la matière et pliage de la partie poinçonnée. In this type of implementation, the links will thus be formed into two elements, namely, a basic element and an upper element, and will be joined by a connecting element. The stops can be formed on the base element, in particular during stamping, by creating a punch in the material and folding of the punched part.

Claims

REVENDICATIONS
1.- Bracelet rigide, notamment pour montre, du type constitué d'une pluralité de maillons (1) adjacents reliés entre eux par des éléments de liaison (7) caractérisé en ce que :1.- Rigid bracelet, in particular for a watch, of the type consisting of a plurality of adjacent links (1) interconnected by connecting elements (7) characterized in that:
- deux maillons (1) adjacents sont réunis par au moins un élément de liaison (7), de forme cylindrique et de section droite en forme d'arc de cercle, qui s'étend sur au moins une partie de la largeur des maillons (1),- two adjacent links (1) are joined by at least one connecting element (7), of cylindrical shape and of cross section in the shape of an arc of a circle, which extends over at least part of the width of the links ( 1),
- chaque maillon (1) est creusé, à partir de ses faces latérales, d'une rainure (9) de forme complémentaire de celle de l'élément de liaison (7), dont la concavité est orientée vers l'intérieur du bracelet, de façon qu'une partie d'un élément de liaison (7) puisse prendre place dans une rainure (9) d'un maillon (1) et qu'une autre partie de cet élément de liaison (7) puisse prendre place (9) dans une rainure d'un maillon (1) adjacent, et se déplacer par coulissement dans les rainures (9) de ces deux maillons (1),- each link (1) is hollowed out, from its lateral faces, with a groove (9) of complementary shape to that of the connecting element (7), the concavity of which is oriented towards the inside of the bracelet, so that part of a connecting element (7) can take place in a groove (9) of a link (1) and another part of this connecting element (7) can take place (9 ) in a groove of an adjacent link (1), and move by sliding in the grooves (9) of these two links (1),
- les maillons (1) et/ou les éléments de liaison (7) comportent des moyens de butée (5,5') aptes à contrôler et limiter ce déplacement.- the links (1) and/or the connecting elements (7) comprise stop means (5.5') capable of controlling and limiting this movement.
2.- Bracelet suivant la revendication 1 caractérisé en ce que les moyens de butée (5,5') sont formés sur le fond de ladite rainure (9) .2.- Bracelet according to claim 1 characterized in that the stop means (5.5 ') are formed on the bottom of said groove (9).
3.- Bracelet suivant l'une des revendications précédentes caractérisé en ce que chaque partie de l'élément de liaison (7) prenant place dans une rainure (9) comporte une lumière transversale (13) apte à recevoir une butée (5,5') solidaire du maillon (1), la longueur de la lumière (13) et la largeur (d) de ladite butée (5) étant telles qu'elles permettent de régler l'angle de rotation possible (γ) de l'élément de liaison (7) par rapport à chacun des maillons (1) .3.- Bracelet according to one of the preceding claims characterized in that each part of the connecting element (7) taking place in a groove (9) comprises a transverse slot (13) capable of receiving a stop (5.5') secured to the link (1), the length of the slot (13) and the width (d) of said stop (5) being such that they make it possible to adjust the possible angle of rotation (γ) of the connecting element (7) relative to each of the links (1).
4.- Bracelet suivant l'une des revendications précédentes caractérisé en ce que le centre de courbure (0) de la rainure (9) réalisée dans chacun des maillons4.- Bracelet according to one of the preceding claims characterized in that the center of curvature (0) of the groove (9) made in each of the links
(1) est disposé sur un axe (uu') perpendiculaire à la surface de base (11) du maillon (1) et est distant, en position de rétraction maximale du bracelet, des côtés transversaux (6) de ce maillon (1) d'une valeur égale à la moitié de l'écartement (e) que l'on souhaite avoir entre les maillons adjacents (1) en position de rétraction maximale du bracelet.(1) is arranged on an axis (uu') perpendicular to the base surface (11) of the link (1) and is distant, in the position of maximum retraction of the bracelet, from the transverse sides (6) of this link (1) with a value equal to half of the spacing (e) that we wish to have between the adjacent links (1) in the maximum retraction position of the bracelet.
5.- Bracelet suivant l'une des revendications précédentes caractérisé en ce que chacun des maillons (1) est constitué d'au moins deux éléments solidarisables, à savoir un élément de base (2) et un élément supérieur (3) de façon que, lorsqu'ils sont assemblés, ils forment entre eux la susdite rainure (9) .5.- Bracelet according to one of the preceding claims characterized in that each of the links (1) is made up of at least two elements that can be joined together, namely a base element (2) and an upper element (3) so that , when they are assembled, they form between them the above-mentioned groove (9).
6.- Bracelet suivant la revendication 5 caractérisé en ce que les moyens de butée (5) sont constitués d'un pion cylindrique qui prend place dans un evidement (14) prévu sur l'élément de base (2) du maillon (1). 6.- Bracelet according to claim 5 characterized in that the stop means (5) consist of a cylindrical pin which takes place in a recess (14) provided on the base element (2) of the link (1) .
1 . - Bracelet suivant l'une des revendications précédentes caractérisé en ce qu'au moins l'un des éléments constituant le maillon est obtenu par un procédé de type emboutissage. 1. - Bracelet according to one of the preceding claims characterized in that at least one of the elements constituting the link is obtained by a stamping type process.
8.- Bracelet suivant la revendication 7 caractérisé en ce que les moyens de butée (5,5') sont formés par poinçonnage lors de la mise en oeuvre du procédé d' emboutissage .8.- Bracelet according to claim 7 characterized in that the stop means (5.5') are formed by punching during the implementation of the stamping process.
9.- Bracelet suivant l'une des revendications précédentes caractérisé en ce que l'élément de liaison (7) est en forme de tuile. 9.- Bracelet according to one of the preceding claims characterized in that the connecting element (7) is in the shape of a tile.
PCT/FR1997/001947 1996-10-30 1997-10-30 Rigid band in particular for watch WO1998018360A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP97912287A EP0935431B1 (en) 1996-10-30 1997-10-30 Rigid band in particular for watch
DE69706696T DE69706696T2 (en) 1996-10-30 1997-10-30 RIGID WATCH STRAP
JP10520137A JP2001502586A (en) 1996-10-30 1997-10-30 Rigid band especially for watches

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR96/13271 1996-10-30
FR9613271A FR2754983B1 (en) 1996-10-30 1996-10-30 RIGID STRAP, ESPECIALLY FOR A WATCH

Publications (1)

Publication Number Publication Date
WO1998018360A1 true WO1998018360A1 (en) 1998-05-07

Family

ID=9497189

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Application Number Title Priority Date Filing Date
PCT/FR1997/001947 WO1998018360A1 (en) 1996-10-30 1997-10-30 Rigid band in particular for watch

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EP (1) EP0935431B1 (en)
JP (1) JP2001502586A (en)
DE (1) DE69706696T2 (en)
FR (1) FR2754983B1 (en)
WO (1) WO1998018360A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2290582T3 (en) * 2004-04-27 2008-02-16 Milus International Sa JEWELRY ELEMENT AND A CHAIN FORMED BY VARIOUS OF THESE JEWELRY ELEMENTS.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1506092A (en) * 1966-04-18 1967-12-15 Chatenoud & Cie J Metal bracelet and its manufacturing process
EP0006664A1 (en) * 1978-06-27 1980-01-09 Métaux Précieux S.A. Bracelet made of rigid links directly jointed with each other
FR2561956A1 (en) * 1984-03-30 1985-10-04 Tuppini Remigio Process for automatically manufacturing surface-decorated profiled links, for bracelets and/or belts, links thus obtained and bracelets composed of these links
CH657026A5 (en) * 1984-01-19 1986-08-15 G Et F Chatelain S A Bracelet
CH661184A5 (en) * 1984-12-19 1987-07-15 Finger H Fa Bracelet, particularly a watch bracelet, and method for manufacturing this bracelet
EP0284259A1 (en) * 1987-03-12 1988-09-28 William Joseph Woods Badges and a method for their manufacture
CH669315A5 (en) * 1987-02-04 1989-03-15 Albert Mottet Watch bracelet made from links - with each link having grooves and joined together by elements with ribs and curved leaf springs
WO1991017679A1 (en) * 1990-05-21 1991-11-28 Victor Chirazi Strap with hinged links

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1506092A (en) * 1966-04-18 1967-12-15 Chatenoud & Cie J Metal bracelet and its manufacturing process
EP0006664A1 (en) * 1978-06-27 1980-01-09 Métaux Précieux S.A. Bracelet made of rigid links directly jointed with each other
CH657026A5 (en) * 1984-01-19 1986-08-15 G Et F Chatelain S A Bracelet
FR2561956A1 (en) * 1984-03-30 1985-10-04 Tuppini Remigio Process for automatically manufacturing surface-decorated profiled links, for bracelets and/or belts, links thus obtained and bracelets composed of these links
CH661184A5 (en) * 1984-12-19 1987-07-15 Finger H Fa Bracelet, particularly a watch bracelet, and method for manufacturing this bracelet
CH669315A5 (en) * 1987-02-04 1989-03-15 Albert Mottet Watch bracelet made from links - with each link having grooves and joined together by elements with ribs and curved leaf springs
EP0284259A1 (en) * 1987-03-12 1988-09-28 William Joseph Woods Badges and a method for their manufacture
WO1991017679A1 (en) * 1990-05-21 1991-11-28 Victor Chirazi Strap with hinged links

Also Published As

Publication number Publication date
FR2754983A1 (en) 1998-04-30
DE69706696D1 (en) 2001-10-18
EP0935431B1 (en) 2001-09-12
JP2001502586A (en) 2001-02-27
EP0935431A1 (en) 1999-08-18
DE69706696T2 (en) 2002-07-11
FR2754983B1 (en) 1998-12-24

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