EP2452583B1 - Watch strap - Google Patents

Watch strap Download PDF

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Publication number
EP2452583B1
EP2452583B1 EP11188596.8A EP11188596A EP2452583B1 EP 2452583 B1 EP2452583 B1 EP 2452583B1 EP 11188596 A EP11188596 A EP 11188596A EP 2452583 B1 EP2452583 B1 EP 2452583B1
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EP
European Patent Office
Prior art keywords
clasp
slide
bracelet
bolts
housing
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.)
Not-in-force
Application number
EP11188596.8A
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German (de)
French (fr)
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EP2452583A1 (en
Inventor
Samia Ferrad
Pascal Lebris
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Individual
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Individual
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Publication date
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Publication of EP2452583A1 publication Critical patent/EP2452583A1/en
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Publication of EP2452583B1 publication Critical patent/EP2452583B1/en
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Classifications

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

Definitions

  • the present invention relates to an improved clasp for a watch band. It relates more particularly to a clasp for adjusting the length of the bracelet.
  • US2009049667 discloses a clasp with a system for adjusting the length of the bracelet.
  • the present invention provides a clasp that by its system allows the user to increase or decrease the length of his bracelet, through a fine adjustment, without having to remove his watch.
  • the clasp of the unfolding type for a watch band consists of an assembly according to claim 1.
  • the clasp is constituted by an articulated assembly of three elements, namely a lower clasp element, an intermediate clasp element and an upper clasp element while the clasp comprises means allowing its user to adjust the length of the bracelet.
  • the upper clasp element comprises adjustment means in longitudinal position of the corresponding end of the bracelet relative to the clasp.
  • one of the bracelet portions is fixed at its end to the upper clasp member, while the other bracelet portion is attached at its end to the upper clasp member, while the upper clasp element, is in the form of a housing in which is mounted, movable in longitudinal displacement, a slide.
  • the housing comprises means longitudinal displacement, and means for locking and unlocking the slide relative to the housing, for each of the selected length positions of the latter, the attachment of the bracelet portion being made to the slide.
  • the housing comprises a succession of locking holes for cooperating with the corresponding movable locks of the slide, while the latter comprises two coaxial lateral latches, movable in transverse displacement, which are each biased in the locking position by an elastic system, such as a spring, while each of the latches protruding outwardly comprises a gripping and manipulating member, which allows the user to press in the direction of the general plane of symmetry on these members to push back each of the latches the slide out of the locking holes and proceed to unlock the slide relative to the housing and allow its movement.
  • the locks disengaged from the corresponding locking hole the user can move the slide relative to the housing and thus choose another locking position, and thus change the length of the bracelet.
  • the upper clasp element comprises indexing means, allowing the user to feel and therefore to know if the locks are in front of one of the locking holes.
  • indexing means are constituted by an indexing piston biased by a spring, each of the pistons being intended to cooperate with one of the locking holes other than that intended to provide locking in the chosen position of the slide.
  • the clasp can take two positions, namely, a folded retaining position of the watch, and an extended position allowing the establishment or withdrawal of the watch, while it comprises locking means in the folded position .
  • the clasp (1) is a clasp for bracelet (2) watch (3).
  • the bracelet can be of any type, for example flexible plastic material, leather, as illustrated in FIGS. figures 1 and 2 , or made by an assembly of a set of metal links, as illustrated in figures 7 and 8 .
  • the bracelet (2) consists of two bracelet portions (4, 5), and each of the portions is such that one end is connected to the case of the watch (3) while the another is intended to receive one of the elements of the clasp (1).
  • the clasp (1) is a folding clasp consisting of an articulated assembly of three elements (6, 7, 8). Namely a lower element clasp (6), an intermediate clasp member (7) and an upper clasp member (8).
  • the intermediate clasp element (7) is, by one of its two ends (70), pivotally mounted on the lower clasp element (6) about a transverse axis (9), while by the other of its two ends (71), it is pivotally mounted on the upper clasp member (8) about a transverse axis (10).
  • the folding clasp (1) with its intermediate element (7) can take two positions, namely a folded retaining position of the watch as illustrated in FIGS. figures 2 , 4, 5, and 6 , and figures 8 , 10, 11, and 12 , and an extended position allowing the establishment or withdrawal of the watch as illustrated in FIGS. figures 1 and 7 .
  • Each of the elements of the clasp is in the general form of an elongated thin plate having substantially the width of the bracelet, and preferably curved to fit the shape of the wrist of the wearer.
  • One of the bracelet portions (4) is fixed at its end (11) to the lower clasp element (6) while the other wrist portion (5) is fixed at its end (12) to the upper clasp element (8).
  • the clasp of the invention allows the user to increase or decrease the length of his bracelet, through a fine adjustment, without removing his watch.
  • the upper clasp element (8) comprises length adjustment means, and more precisely adjustment means in position. longitudinal of the corresponding end (12) of the bracelet relative to the clasp (1), and more particularly with respect to the upper element of the clasp (8).
  • the upper clasp member (8) is in the form of a housing (13) in which is mounted, movable in longitudinal displacement, a slide (14).
  • Longitudinal displacement is understood to mean a movement in translation along the general axis (X, X ') of the bracelet (2).
  • the upper clasp element (8) comprises longitudinal displacement means and locking and unlocking means of the slider (14) relative to the housing (13), for each of the selected length positions of the latter.
  • the longitudinal displacement means of the slider (14) are such that the housing (13) constituting the upper clasp element comprises a sliding housing (17) open downwards in which the slider (14) can move.
  • the sliding housing (17) is limited laterally by two side walls (18a, 18b), and towards the axis of pivoting (71) by a front wall (19) in which is also retained this axis of pivoting.
  • width of the sliding housing (17) is slightly greater than the width of the slide, to allow longitudinal displacement.
  • the locking means of the chosen longitudinal position of the slider in the housing are made by cooperation of at least one movable latch (15a, 15b) with one of the corresponding locking recesses (16a, 16b).
  • each of the mobile locks (15a, 15b) is mounted transversely movable on the slider (14), while the locking recesses (16a, 16b) are formed on the housing (13).
  • Each of the side walls (18a, 18b) of the housing (13) comprises a succession of locking holes (16a, 16b) for cooperating with the corresponding movable latches (15a, 15b) of the slide (14).
  • these locking holes (16a, 16b) are arranged so as to be secant, as it appears more particularly to the figure 13 .
  • the slide (14) comprises two lateral latches (15a, 15b) coaxial, movable in transverse displacement, which are each biased in the locking position by an elastic system, such as a spring (20).
  • Each of the bolts (15a, 15b) is in the general form of a cylindrical rod which is guided in a transverse hole (21a, 21b) formed in the slide (14).
  • each of the locks (15a, 15b) has a diameter allowing its engagement in one of the holes of corresponding selected lock (16a, 16b).
  • Each of the latches (15a, 15b) is thus biased transversely outwards (EXT), by its spring (20), relative to the axis (X, X ') of displacement of the slide (14), which makes it allows to cooperate in positive locking position with one of the locking holes (16a, 16b).
  • each of the latches protruding outwards comprises a gripping and manipulating member (22a, 22b), which allows the user, by pressing in the direction of the general plane of symmetry ( P) on these members, to push each of the locks (15a, 15b) of the slide out of the locking holes and proceed to unlock the slide relative to the housing, thus allowing its displacement.
  • the latches (15a, 15b) disengaged from the corresponding locking hole, the user can move the slide (14) relative to the housing (13), choose another locking position, and thus change the length of the bracelet.
  • the upper clasp element comprises, as we have previously indicated, indexing means, allowing to the user to feel and therefore to know if the locks are in front of one of the locking holes.
  • the indexing means are constituted by an indexing piston (23a, 23b) biased by a spring (24a, 24b).
  • Each of the pistons being intended to cooperate with one of the locking holes (16a, 16b) other than that intended to ensure the locking in the chosen position of the slide (14).
  • the lower clasp element (6) has the general shape of a "U” shaped stirrup, so that its central portion comprises a central recess (34) for receiving the intermediate clasp element (7). who is in the form of an elongate strip, which is thus embedded in the position of the folded clasp in the central housing (34).
  • a first type such as that illustrated in figures 1 and 3 , more particularly intended for a leather bracelet
  • a second type such as that illustrated in figures 9 , 11 and 12 , more particularly for a metal bracelet.
  • these are constituted by lateral projections (30) formed on the external lateral walls of the intermediate element (7) intended to cooperate with corresponding housings (31) made on the inner side walls of the housing (34) of the lower element (6) of the clasp (1).
  • FIGS. figures 9 , 11 and 12 are constituted by two attachment parts (33a, 33b) biased by springs (34). These two attachment pieces comprise a toothing intended to hook on a projection (35a, 35b) made and extending into the central housing (34) of the lower clasp member.
  • the retention of the end (11) of the bracelet portion (4) is achieved by means of a retaining pin (40) engaged, on the one hand, in a hole (41) made in the lower clasp member, and secondly, in a transverse hole of the end (11) of the corresponding bracelet portion (4).
  • the user will be able to precisely adapt the peripheral dimension of his bracelet to the size of his wrist, even if the bracelet is worn, with its clasp closed. This is made possible because the retaining means in the folded position of the clasp are independent means allowing the user to adjust the length of the bracelet.
  • one or other of the clasps given by way of example can be used either with a metal bracelet or with a strap of flexible material such as leather, plastic or rubber.

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  • Buckles (AREA)

Description

La présente invention concerne un fermoir perfectionné pour bracelet de montre. Elle concerne plus particulièrement un fermoir permettant le réglage en longueur du bracelet.The present invention relates to an improved clasp for a watch band. It relates more particularly to a clasp for adjusting the length of the bracelet.

En fonction de l'altitude, d'une activité physique ou sportive, sous l'effet de la chaleur ou du froid, le port d'une montre peut se révéler inconfortable. Ainsi, le bracelet devient trop lâche ou trop serré, inadapté à la situation et au poignet de celui qui la porte.Depending on the altitude, physical activity or sport, under the influence of heat or cold, wearing a watch can be uncomfortable. Thus, the bracelet becomes too loose or too tight, unsuitable for the situation and the wrist of the wearer.

Il existe déjà dans le commerce des bracelets de montre dont le fermoir est de type déployant, mais aucun de ces fermoirs ne donne satisfaction, car rien ne permet un réglage précis de la longueur du bracelet encore moins un réglage le bracelet étant porté.There are already in the trade watchbands whose clasp is deploying type, but none of these clasps is satisfactory, because nothing allows a precise adjustment of the length of the bracelet even less a setting the bracelet being worn.

US2009049667 divulgue un fermoir avec un système de réglage en longueur du bracelet. US2009049667 discloses a clasp with a system for adjusting the length of the bracelet.

La présente invention propose un fermoir qui par son système permet à son utilisateur d'augmenter ou de diminuer la longueur de son bracelet, grâce à un réglage fin, et ce sans avoir à retirer sa montre.The present invention provides a clasp that by its system allows the user to increase or decrease the length of his bracelet, through a fine adjustment, without having to remove his watch.

Ainsi, le fermoir du type déployant pour bracelet de montre, selon l'invention, est constitué d'un assemblage selon la revendication 1.Thus, the clasp of the unfolding type for a watch band, according to the invention, consists of an assembly according to claim 1.

Selon une caractéristique complémentaire, le fermoir est constitué d'un assemblage articulé de trois éléments, à savoir un élément inférieur de fermoir, un élément intermédiaire de fermoir et un élément supérieur de fermoir tandis que le fermoir comprend des moyens permettant à son utilisateur de régler la longueur du bracelet.According to a complementary feature, the clasp is constituted by an articulated assembly of three elements, namely a lower clasp element, an intermediate clasp element and an upper clasp element while the clasp comprises means allowing its user to adjust the length of the bracelet.

Selon une caractéristique complémentaire, l'élément supérieur de fermoir comprend des moyens de réglage en position longitudinale de l'extrémité correspondante du bracelet par rapport au fermoir.According to a complementary feature, the upper clasp element comprises adjustment means in longitudinal position of the corresponding end of the bracelet relative to the clasp.

Selon d'autres caractéristiques complémentaires, l'une des portions de bracelet est fixée par son extrémité à l'élément supérieur de fermoir, tandis que l'autre portion de bracelet est fixée par son extrémité à l'élément supérieur de fermoir, tandis que l'élément supérieur de fermoir, se présente sous la forme d'un boîtier dans lequel est monté, mobile en déplacement longitudinal, un coulisseau. Le boîtier comprend des moyens de déplacement longitudinal, et des moyens de verrouillage et de déverrouillage du coulisseau par rapport au boîtier, pour chacune des positions en longueur choisies de ce dernier, la fixation de la portion de bracelet se faisant au coulisseau.According to other complementary features, one of the bracelet portions is fixed at its end to the upper clasp member, while the other bracelet portion is attached at its end to the upper clasp member, while the upper clasp element, is in the form of a housing in which is mounted, movable in longitudinal displacement, a slide. The housing comprises means longitudinal displacement, and means for locking and unlocking the slide relative to the housing, for each of the selected length positions of the latter, the attachment of the bracelet portion being made to the slide.

Ajoutons que le boîtier comprend une succession de trous de verrouillages destinés à coopérer avec les verrous mobiles correspondant du coulisseau, tandis que ce dernier comprend deux verrous latéraux coaxiaux, mobiles en déplacement transversal, qui sont chacun sollicités en position de verrouillage par un système élastique, tel qu'un ressort, tandis que chacun des verrous qui fait saillie vers l'extérieur comprend un organe de préhension et de manipulation, qui permet à l'utilisateur par pression en direction du plan de symétrie générale sur ces organes de repousser chacun des verrous du coulisseau hors des trous de verrouillage et procéder au déverrouillage du coulisseau par rapport au boîtier et permettre ainsi son déplacement. Une fois les verrous désengagés du trou de verrouillage correspondant l'utilisateur peut déplacer le coulisseau par rapport au boîtier et ainsi choisir une autre position de verrouillage, et ainsi modifier la longueur du bracelet.Add that the housing comprises a succession of locking holes for cooperating with the corresponding movable locks of the slide, while the latter comprises two coaxial lateral latches, movable in transverse displacement, which are each biased in the locking position by an elastic system, such as a spring, while each of the latches protruding outwardly comprises a gripping and manipulating member, which allows the user to press in the direction of the general plane of symmetry on these members to push back each of the latches the slide out of the locking holes and proceed to unlock the slide relative to the housing and allow its movement. Once the locks disengaged from the corresponding locking hole the user can move the slide relative to the housing and thus choose another locking position, and thus change the length of the bracelet.

Notons aussi que selon une caractéristique complémentaire, afin de faciliter l'engagement des verrous dans l'un des trous de verrouillage correspondant, l'élément supérieur de fermoir comprend des moyens d'indexation, permettant à l'utilisateur de sentir et donc de savoir si les verrous sont bien en face d'un des trous de verrouillage.Note also that according to a complementary feature, to facilitate the engagement of the latches in one of the corresponding locking holes, the upper clasp element comprises indexing means, allowing the user to feel and therefore to know if the locks are in front of one of the locking holes.

Précisons que ces moyens d'indexation sont constitués par un piston d'indexation sollicité par un ressort, chacun des pistons étant destiné à coopérer avec l'un des trous de verrouillage autre que celui destiné à assurer le verrouillage dans la position choisie du coulisseau.Note that these indexing means are constituted by an indexing piston biased by a spring, each of the pistons being intended to cooperate with one of the locking holes other than that intended to provide locking in the chosen position of the slide.

Par ailleurs, le fermoir peut prendre deux positions, à savoir, une position repliée de retenue de la montre, et une position déployée permettant la mise en place ou le retrait de la montre, tandis qu'il comprend des moyens de verrouillage en position repliée.Furthermore, the clasp can take two positions, namely, a folded retaining position of the watch, and an extended position allowing the establishment or withdrawal of the watch, while it comprises locking means in the folded position .

D'autres caractéristiques et avantages de l'invention se dégageront de la description qui va suivre en regard des dessins annexés qui ne sont donnés qu'à titre d'exemples non limitatifs.Other features and advantages of the invention will become apparent from the description which follows with reference to the accompanying drawings which are given by way of non-limiting examples.

Les figures 1 à 6 illustrent une premier mode de réalisation d'un fermoir selon l'invention, plutôt destiné à un bracelet en cuir ou en matière plastique.

  • La figure 1 est une vue en perspective de la montre dont le fermoir du bracelet est en position déployée.
  • La figure 2 est une vue en perspective de la montre dont le fermoir du bracelet est en position repliée.
  • La figure 3 est une vue en perspective éclatée du fermoir.
  • La figure 4 est une vue latérale du fermoir.
  • La figure 5 est une vue en coupe selon A-A de la figure 4.
  • La figure 6 est une vue en coupe selon B-B de la figure 4 et 5.
  • Les figures 7 à 12 illustrent une deuxième mode de réalisation d'un fermoir selon l'invention, plutôt destiné à un bracelet métallique.
  • La figure 7 est une vue en perspective de la montre dont le fermoir du bracelet est en position déployée.
  • La figure 8 est une vue en perspective de la montre dont le fermoir du bracelet est en position repliée.
  • La figure 9 est une vue en perspective éclatée du fermoir.
  • La figure 10 est une vue latérale du fermoir.
  • La figure 11 est une vue en coupe selon A-A de la figure 10.
  • La figure 12 est une vue en coupe selon B-B de la figure 10 et 11.
  • La figure 13 est une vue de détails illustrant les dentures de réglage réalisées par des trous sécants.
The Figures 1 to 6 illustrate a first embodiment of a clasp according to the invention, rather intended for a leather or plastic strap.
  • The figure 1 is a perspective view of the watch, the clasp of the bracelet is in the deployed position.
  • The figure 2 is a perspective view of the wristwatch whose clasp is in the folded position.
  • The figure 3 is an exploded perspective view of the clasp.
  • The figure 4 is a side view of the clasp.
  • The figure 5 is a sectional view according to AA of the figure 4 .
  • The figure 6 is a sectional view along BB of the figure 4 and 5 .
  • The Figures 7 to 12 illustrate a second embodiment of a clasp according to the invention, rather intended for a metal bracelet.
  • The figure 7 is a perspective view of the watch, the clasp of the bracelet is in the deployed position.
  • The figure 8 is a perspective view of the wristwatch whose clasp is in the folded position.
  • The figure 9 is an exploded perspective view of the clasp.
  • The figure 10 is a side view of the clasp.
  • The figure 11 is a sectional view according to AA of the figure 10 .
  • The figure 12 is a sectional view along BB of the figure 10 and 11 .
  • The figure 13 is a detail view illustrating the setting teeth made by secant holes.

Le fermoir (1) est un fermoir pour bracelet (2) de montre (3). Le bracelet peut être de tout type comme par exemple en matière plastique souple, en cuir, tel qu'illustré aux figures 1 et 2, ou réalisé par un assemblage d'un ensemble de maillons métalliques, tel qu'illustré aux figures 7 et 8.The clasp (1) is a clasp for bracelet (2) watch (3). The bracelet can be of any type, for example flexible plastic material, leather, as illustrated in FIGS. figures 1 and 2 , or made by an assembly of a set of metal links, as illustrated in figures 7 and 8 .

De façon connue en soi, le bracelet (2) est constitué de deux portions de bracelet (4, 5), et chacune des portions est telle que l'une des extrémités est reliée au boitier de la montre (3) tandis que l'autre est destinée à recevoir l'un des éléments du fermoir (1).In a manner known per se, the bracelet (2) consists of two bracelet portions (4, 5), and each of the portions is such that one end is connected to the case of the watch (3) while the another is intended to receive one of the elements of the clasp (1).

Le fermoir (1) est un fermoir déployant constitué d'un assemblage articulé de trois éléments (6, 7, 8). A savoir un élément inférieur de fermoir (6), un élément intermédiaire de fermoir (7) et un élément supérieur de fermoir (8).The clasp (1) is a folding clasp consisting of an articulated assembly of three elements (6, 7, 8). Namely a lower element clasp (6), an intermediate clasp member (7) and an upper clasp member (8).

L'élément intermédiaire de fermoir (7) est, par l'une de ses deux extrémités (70), monté pivotant sur l'élément inférieur de fermoir (6) autour d'un axe transversal (9), tandis que par l'autre de ses deux extrémités (71), il est monté pivotant sur l'élément supérieur de fermoir (8) autour d'un axe transversal (10).The intermediate clasp element (7) is, by one of its two ends (70), pivotally mounted on the lower clasp element (6) about a transverse axis (9), while by the other of its two ends (71), it is pivotally mounted on the upper clasp member (8) about a transverse axis (10).

Le fermoir déployant (1) avec son élément intermédiaire (7) peut prendre deux positions, à savoir une position repliée de retenue de la montre telle qu'illustrée aux figures 2, 4, 5, et 6, et aux figures 8, 10, 11, et 12, et une position déployée permettant la mise en place ou le retrait de la montre telle qu'illustrée aux figures 1 et 7.The folding clasp (1) with its intermediate element (7) can take two positions, namely a folded retaining position of the watch as illustrated in FIGS. figures 2 , 4, 5, and 6 , and figures 8 , 10, 11, and 12 , and an extended position allowing the establishment or withdrawal of the watch as illustrated in FIGS. figures 1 and 7 .

Chacun des éléments du fermoir se présente sous la forme générale d'une plaque mince allongée ayant sensiblement la largeur du bracelet, et avantageusement courbe pour épouser au mieux la forme du poignet du porteur.Each of the elements of the clasp is in the general form of an elongated thin plate having substantially the width of the bracelet, and preferably curved to fit the shape of the wrist of the wearer.

L'une des portions de bracelet (4) est fixée par son extrémité (11) à l'élément inférieur de fermoir (6) tandis que l'autre portion de bracelet (5) est fixée par son extrémité (12) à l'élément supérieur de fermoir (8).One of the bracelet portions (4) is fixed at its end (11) to the lower clasp element (6) while the other wrist portion (5) is fixed at its end (12) to the upper clasp element (8).

Comme nous l'avons précisé précédemment, le fermoir de l'invention permet à son utilisateur d'augmenter ou de diminuer la longueur de son bracelet, grâce à un réglage fin, et ce sans avoir à retirer sa montre.As mentioned above, the clasp of the invention allows the user to increase or decrease the length of his bracelet, through a fine adjustment, without removing his watch.

A cet effet, l'élément supérieur de fermoir (8) comprend des moyens de réglage en longueur, et plus précisément des moyens de réglage en position longitudinale de l'extrémité correspondante (12) du bracelet par rapport au fermoir (1), et plus particulièrement par rapport à l'élément supérieur du fermoir (8).For this purpose, the upper clasp element (8) comprises length adjustment means, and more precisely adjustment means in position. longitudinal of the corresponding end (12) of the bracelet relative to the clasp (1), and more particularly with respect to the upper element of the clasp (8).

Ainsi l'élément supérieur de fermoir (8) se présente sous la forme d'un boîtier (13) dans lequel est monté, mobile en déplacement longitudinal, un coulisseau (14). On entendra par déplacement longitudinal, un déplacement en translation selon l'axe général (X, X') du bracelet (2).Thus the upper clasp member (8) is in the form of a housing (13) in which is mounted, movable in longitudinal displacement, a slide (14). Longitudinal displacement is understood to mean a movement in translation along the general axis (X, X ') of the bracelet (2).

Ajoutons que l'extrémité (12) de la portion de bracelet (5) est fixée sur le coulisseau (14), grâce à un axe transversal de retenue (36). Ainsi à chacune des positions longitudinales du coulisseau correspond une longueur périphérique du bracelet.Add that the end (12) of the bracelet portion (5) is fixed on the slide (14), through a transverse retaining pin (36). Thus at each of the longitudinal positions of the slide corresponds a peripheral length of the bracelet.

L'élément supérieur de fermoir (8), comprend des moyens de déplacement longitudinal et des moyens de verrouillage et de déverrouillage du coulisseau (14) par rapport au boitier (13), pour chacune des positions en longueur choisies de ce dernier.The upper clasp element (8) comprises longitudinal displacement means and locking and unlocking means of the slider (14) relative to the housing (13), for each of the selected length positions of the latter.

Les moyens de déplacement longitudinal du coulisseau (14) sont tels que le boîtier (13), constituant l'élément supérieur de fermoir, comprend un logement de coulissement (17), ouvert vers le bas dans lequel peut se déplacer le coulisseau (14). A cet effet le logement de coulissement (17) est limité latéralement par deux parois latérales (18a, 18b), et vers l'axe de pivotement (71) par une paroi frontale (19) dans laquelle est d'ailleurs retenu cet axe de pivotement.The longitudinal displacement means of the slider (14) are such that the housing (13) constituting the upper clasp element comprises a sliding housing (17) open downwards in which the slider (14) can move. . For this purpose the sliding housing (17) is limited laterally by two side walls (18a, 18b), and towards the axis of pivoting (71) by a front wall (19) in which is also retained this axis of pivoting.

Notons que la largeur du logement de coulissement (17) est légèrement supérieure à la largeur du coulisseau, afin d'en permettre le déplacement longitudinal.Note that the width of the sliding housing (17) is slightly greater than the width of the slide, to allow longitudinal displacement.

Les moyens de verrouillage de la position longitudinale choisie du coulisseau dans le boîtier sont réalisés par coopération d'au moins un verrou mobile (15a, 15b) avec l'un des logements de verrouillage correspondant (16a, 16b).The locking means of the chosen longitudinal position of the slider in the housing are made by cooperation of at least one movable latch (15a, 15b) with one of the corresponding locking recesses (16a, 16b).

Selon le mode de réalisation préféré illustré, chacun des verrous mobiles (15a, 15b) est monté mobile transversalement sur le coulisseau (14), tandis que les logements de verrouillage (16a, 16b) sont réalisés sur le boîtier (13).According to the preferred embodiment illustrated, each of the mobile locks (15a, 15b) is mounted transversely movable on the slider (14), while the locking recesses (16a, 16b) are formed on the housing (13).

Chacune des parois latérales (18a, 18b) du boîtier (13) comprend une succession de trous de verrouillages (16a, 16b) destinés à coopérer avec les verrous mobiles (15a, 15b) correspondants du coulisseau (14).Each of the side walls (18a, 18b) of the housing (13) comprises a succession of locking holes (16a, 16b) for cooperating with the corresponding movable latches (15a, 15b) of the slide (14).

Selon le mode préféré ces trous de verrouillage (16a, 16b) sont disposés de façon à être sécants, tel que cela apparaît plus particulièrement à la figure 13.According to the preferred embodiment these locking holes (16a, 16b) are arranged so as to be secant, as it appears more particularly to the figure 13 .

Précisons que selon le mode préféré de l'invention, le coulisseau (14) comprend deux verrous latéraux (15a, 15b) coaxiaux, mobiles en déplacement transversal, qui sont chacun sollicités en position de verrouillage par un système élastique, tel qu'un ressort (20).Note that according to the preferred embodiment of the invention, the slide (14) comprises two lateral latches (15a, 15b) coaxial, movable in transverse displacement, which are each biased in the locking position by an elastic system, such as a spring (20).

Chacun des verrous (15a, 15b) se présente sous la forme générale d'une tige cylindrique qui est guidée dans un trou transversal (21a, 21b) réalisé dans le coulisseau (14).Each of the bolts (15a, 15b) is in the general form of a cylindrical rod which is guided in a transverse hole (21a, 21b) formed in the slide (14).

On notera que le diamètre de l'extrémité de chacun des verrous (15a, 15b) a un diamètre permettant son engagement dans l'un des trous de verrouillage correspondant choisi (16a, 16b). Chacun des verrous (15a, 15b) est donc sollicité transversalement vers l'extérieur (EXT), par son ressort (20), par rapport à l'axe (X, X') de déplacement du coulisseau (14), ce qui lui permet de coopérer en position positive de verrouillage avec l'un des trous de verrouillage (16a, 16b).Note that the diameter of the end of each of the locks (15a, 15b) has a diameter allowing its engagement in one of the holes of corresponding selected lock (16a, 16b). Each of the latches (15a, 15b) is thus biased transversely outwards (EXT), by its spring (20), relative to the axis (X, X ') of displacement of the slide (14), which makes it allows to cooperate in positive locking position with one of the locking holes (16a, 16b).

Notons que l'extrémité de chacun des verrous qui fait saillie vers l'extérieur (EXT) comprend un organe de préhension et de manipulation (22a, 22b), qui permet à l'utilisateur, par pression en direction du plan de symétrie générale (P) sur ces organes, de repousser chacun des verrous (15a, 15b) du coulisseau hors des trous de verrouillage et procéder au déverrouillage du coulisseau par rapport au boîtier, permettant ainsi son déplacement. Une fois les verrous (15a, 15b) désengagés du trou de verrouillage correspondant, l'utilisateur peut déplacer le coulisseau (14) par rapport au boîtier (13), choisir une autre position de verrouillage, et ainsi modifier la longueur du bracelet.Note that the end of each of the latches protruding outwards (EXT) comprises a gripping and manipulating member (22a, 22b), which allows the user, by pressing in the direction of the general plane of symmetry ( P) on these members, to push each of the locks (15a, 15b) of the slide out of the locking holes and proceed to unlock the slide relative to the housing, thus allowing its displacement. Once the latches (15a, 15b) disengaged from the corresponding locking hole, the user can move the slide (14) relative to the housing (13), choose another locking position, and thus change the length of the bracelet.

Afin de faciliter l'engagement des verrous (15a, 15b) dans l'un des trous de verrouillage correspondant (16a, 16b), l'élément supérieur de fermoir comprend, comme nous l'avons signalé précédemment des moyens d'indexation, permettant à l'utilisateur de sentir et donc de savoir si les verrous sont bien en face d'un des trous de verrouillage. A cet effet les moyens d'indexation sont constitués par un piston d'indexation (23a, 23b) sollicité par un ressort (24a, 24b). Chacun des pistons étant destiné à coopérer avec l'un des trous de verrouillage (16a, 16b) autre que celui destiné à assurer le verrouillage dans la position choisie du coulisseau (14).In order to facilitate the engagement of the latches (15a, 15b) in one of the corresponding locking holes (16a, 16b), the upper clasp element comprises, as we have previously indicated, indexing means, allowing to the user to feel and therefore to know if the locks are in front of one of the locking holes. For this purpose the indexing means are constituted by an indexing piston (23a, 23b) biased by a spring (24a, 24b). Each of the pistons being intended to cooperate with one of the locking holes (16a, 16b) other than that intended to ensure the locking in the chosen position of the slide (14).

Précisons que l'élément inférieur de fermoir (6) a la forme générale d'un étrier en forme de "U", afin que sa partie centrale comprenne un logement central (34), pour recevoir l'élément intermédiaire de fermoir (7) qui se présente sous la forme d'une bande allongée, qui s'encastre donc dans la position du fermoir replié dans le logement central (34).It should be noted that the lower clasp element (6) has the general shape of a "U" shaped stirrup, so that its central portion comprises a central recess (34) for receiving the intermediate clasp element (7). who is in the form of an elongate strip, which is thus embedded in the position of the folded clasp in the central housing (34).

Ajoutons que le fermoir (1) est verrouillé en position repliée telle qu'illustrée aux figures 2, 4, 5, et 6, et aux figures 8, 10, 11, et 12, grâce à des moyens de verrouillage en position repliéeAdd that the clasp (1) is locked in the folded position as illustrated in figures 2 , 4, 5, and 6 , and figures 8 , 10, 11, and 12 , thanks to locking means in the folded position

Ces moyens peuvent être de plusieurs types. A savoir : un premier type tel que celui illustré aux figures 1 et 3, plus particulièrement destiné à un bracelet en cuir, et un second type tel que celui illustré aux figures 9, 11 et 12, plus particulièrement destiné à un bracelet métallique.These means can be of several types. Namely: a first type such as that illustrated in figures 1 and 3 , more particularly intended for a leather bracelet, and a second type such as that illustrated in figures 9 , 11 and 12 , more particularly for a metal bracelet.

Selon le premier type de moyens de retenue en position repliée du fermoir telle qu'illustrée aux figures 1 et 3, ceux-ci sont constitués par des saillies latérales (30) réalisées sur les parois latérales externes de l'élément intermédiaire (7) destinées à coopérer avec des logements correspondants (31) réalisés sur les parois latérales internes du logement (34) de l'élément inférieur (6) du fermoir (1).According to the first type of retaining means in the folded position of the clasp as illustrated in FIGS. figures 1 and 3 , these are constituted by lateral projections (30) formed on the external lateral walls of the intermediate element (7) intended to cooperate with corresponding housings (31) made on the inner side walls of the housing (34) of the lower element (6) of the clasp (1).

Selon le deuxième type de moyens de retenue en position repliée du fermoir, telle qu'illustrés aux figures 9, 11 et 12, ceux-ci sont constitués par deux pièces d'accrochage (33a, 33b) sollicitées par des ressorts (34). Ces deux pièces d'accrochage comprennent une denture destinée à venir s'accrocher sur une saillie (35a, 35b) réalisée et s'étendant dans le logement central (34) de l'élément inférieur de fermoir.According to the second type of retaining means in the folded position of the clasp, as illustrated in FIGS. figures 9 , 11 and 12 these are constituted by two attachment parts (33a, 33b) biased by springs (34). These two attachment pieces comprise a toothing intended to hook on a projection (35a, 35b) made and extending into the central housing (34) of the lower clasp member.

On notera que dans le cas d'un bracelet en cuir ou en matière plastique, la retenue de l'extrémité (11) de la portion de bracelet (4) est réalisée grâce à un pion (37), solidaire de l'élément inférieur de fermoir, engagé dans l'un des trous (38) de la portion de bracelet correspondante (4).Note that in the case of a leather or plastic bracelet, the retention of the end (11) of the strap portion (4) is achieved by means of a pin (37) integral with the lower element clasp, engaged in one of the holes (38) of the corresponding bracelet portion (4).

Ajoutons que, dans le cas d'un bracelet métallique, la retenue de l'extrémité (11) de la portion de bracelet (4) est réalisée grâce à un axe de retenue (40) engagé, d'une part, dans un trou (41) réalisé dans l'élément inférieur de fermoir, et d'autre part, dans un trou transversal de l'extrémité (11) de la portion de bracelet correspondante (4).It should be added that, in the case of a metal bracelet, the retention of the end (11) of the bracelet portion (4) is achieved by means of a retaining pin (40) engaged, on the one hand, in a hole (41) made in the lower clasp member, and secondly, in a transverse hole of the end (11) of the corresponding bracelet portion (4).

On a compris que, grâce au dispositif de l'invention, l'utilisateur pourra adapter avec précision la dimension périphérique de son bracelet à la dimension de son poignet, et ce même si le bracelet est porté, avec son fermoir fermé. Ceci est rendu possible parce que les moyens de retenue en position repliée du fermoir sont indépendants des moyens permettant à l'utilisateur de régler la longueur du bracelet.It has been understood that, thanks to the device of the invention, the user will be able to precisely adapt the peripheral dimension of his bracelet to the size of his wrist, even if the bracelet is worn, with its clasp closed. This is made possible because the retaining means in the folded position of the clasp are independent means allowing the user to adjust the length of the bracelet.

Ajoutons que l'un ou l'autre des fermoirs donnés à titre d'exemple peut être utilisé soit avec un bracelet métallique soit avec un bracelet en matière souple telle qu'en cuir, matière plastique ou caoutchouc.Let us add that one or other of the clasps given by way of example can be used either with a metal bracelet or with a strap of flexible material such as leather, plastic or rubber.

Claims (3)

  1. Clasp (1) of the folding type for a watch bracelet, consisting of an articulated assembly of three elements (6, 7, 8), namely a bottom clasp element (6), an intermediate clasp element (7) and a top clasp element (8), the clasp comprising means enabling its user to adjust the length of the bracelet with the clasp closed, the top clasp element (8) being in the form of a housing (13) in which a slide (14) is mounted, able to move in longitudinal movement, said slide (14) comprising two coaxial lateral movable bolts (15a, 15b), the housing (13) comprising a succession of locking holes (16a, 16b) intended to cooperate with the corresponding bolts (15a, 15b) of the slide (14), whilst, in order to facilitate the engagement of the bolts (15a, 15b) in one of the corresponding locking holes (16a, 16b), the top clasp element comprises location means, characterised in that the location means consists of a locating piston (23a, 23b) acted on by a spring (24a, 24b), each of the locating pistons being intended to cooperate with one of the locking holes (16a, 16b) other than the one intended to provide locking in the chosen position of the slide (14).
  2. Clasp (1) according the preceding claim, characterised in that the means enabling its user to adjust the length of the bracelet with the clasp closed are independent of the means for holding the clasp in its folded position.
  3. Clasp (1) according to claim 1 or 2, characterised in that the two coaxial lateral bolts (15a, 15b) of the slide (14), able to move in transverse movement, are each acted on in the locking position by an elastic system, such as a spring (20), while each of the bolts that projects towards the outside (EXT) comprises a gripping and manipulation member (22a, 22b), which enables the user, by pressing on these members in the direction of the overall plane of symmetry (P), to push each of the bolts (15a, 15b) of the slide out of the locking holes and to proceed with the unlocking of the slide with respect to the housing and thus to allow movement thereof.
EP11188596.8A 2010-11-10 2011-11-10 Watch strap Not-in-force EP2452583B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1059277A FR2967015B1 (en) 2010-11-10 2010-11-10 WATCH STRAP

Publications (2)

Publication Number Publication Date
EP2452583A1 EP2452583A1 (en) 2012-05-16
EP2452583B1 true EP2452583B1 (en) 2017-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11188596.8A Not-in-force EP2452583B1 (en) 2010-11-10 2011-11-10 Watch strap

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EP (1) EP2452583B1 (en)
FR (1) FR2967015B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014162258A1 (en) * 2013-04-04 2014-10-09 Roland Iten Mechanical Luxury Sa Buckle for a belt or strap such as a watch strap
EP2868222B1 (en) 2013-11-01 2016-09-14 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
US9560900B2 (en) * 2014-06-23 2017-02-07 Mauricio Pier Adjustable watch strap
EP3170420B1 (en) 2015-11-20 2020-01-01 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3210488B1 (en) 2016-02-25 2018-09-26 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3417734B1 (en) 2017-06-21 2021-04-28 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3417735A1 (en) 2017-06-21 2018-12-26 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
EP3641584B1 (en) 2017-06-21 2022-03-16 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
CH716147B1 (en) * 2019-05-03 2023-10-13 Benjamin Lavizzari Folding clasp.

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Publication number Priority date Publication date Assignee Title
US1985835A (en) * 1932-02-16 1934-12-25 Gemex Co Extensible buckle
CH668353A5 (en) * 1986-11-17 1988-12-30 Erbas S A Extensible fastener for bracelet or watch - has two folding segments with bracelets end joined to plate sliding in cover and hooks engaging in hole in segment
JP2000279217A (en) * 1999-03-31 2000-10-10 Citizen Watch Co Ltd Length regulating mechanism
CH694843A5 (en) * 2001-03-01 2005-08-15 Richemont Int Sa Watch straps length adjusting device, has link with two push buttons whose free ends comprise small dimension turning to slide in narrow part of slot and large dimension turning to cooperate with larger parts of slot
JP4426608B2 (en) * 2007-08-20 2010-03-03 株式会社グローリー Band buckle

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Also Published As

Publication number Publication date
FR2967015A1 (en) 2012-05-11
FR2967015B1 (en) 2013-09-27
EP2452583A1 (en) 2012-05-16

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