EP1943917A2 - Clasp with extensible loop for bracelet - Google Patents

Clasp with extensible loop for bracelet Download PDF

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Publication number
EP1943917A2
EP1943917A2 EP07023826A EP07023826A EP1943917A2 EP 1943917 A2 EP1943917 A2 EP 1943917A2 EP 07023826 A EP07023826 A EP 07023826A EP 07023826 A EP07023826 A EP 07023826A EP 1943917 A2 EP1943917 A2 EP 1943917A2
Authority
EP
European Patent Office
Prior art keywords
carriage
pawl
clasp
bracelet
clasp according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07023826A
Other languages
German (de)
French (fr)
Other versions
EP1943917B1 (en
EP1943917A3 (en
Inventor
Gérard Girard
Alexandre Négaty-Hindi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOUCLEDOR SA
Original Assignee
Boucledor 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 Boucledor SA filed Critical Boucledor SA
Publication of EP1943917A2 publication Critical patent/EP1943917A2/en
Publication of EP1943917A3 publication Critical patent/EP1943917A3/en
Application granted granted Critical
Publication of EP1943917B1 publication Critical patent/EP1943917B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

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

Definitions

  • the present invention relates to a clasp with a folding clasp comprising a first element and at least a second element articulated to each other each by a first end, a second end of the first element being arranged to be connected to a first strand. of the bracelet, while a second end of the second leaflet element is intended to be connected to a second strand of the bracelet, the clasp having a setting mechanism arranged to allow adjustment of the length of the bracelet in at least two positions.
  • Clasps of this type are known and used especially for watch straps. They make it possible to adapt the length of the wrist strap to the user's wrist.
  • the known clasps however, have a complicated construction and / or they do not allow to adjust very quickly, comfortably and reliably the length of the bracelet when it is worn by its user.
  • the object of the present invention is to overcome these disadvantages and to create a clasp with folding clasp, allowing a quick, comfortable and reliable adjustment of the length of the bracelet, while having a simple construction, aesthetic and safe with a number of components reduced.
  • the clasp according to the invention is characterized for this purpose by the fact that the adjustment mechanism comprises a support connected to the second element and a movable carriage slidably mounted on this support by means of at least one slide provided on the support, the carriage carrying a pawl resiliently urged against a portion of the support which is shaped to determine at least one shortened position and an extended position of the clasp and the strap, actuating means being provided to act on the pawl to disengage the pawl from said portion to allow movement of the carriage on the slide, the carriage being provided with a fastener for securing the second strand to the carriage.
  • said portion of this support is constituted by a cam against which an end of the pawl is biased and along which this end of the pawl slides, this cam having at least two notches with which the pawl cooperates to determine the shortened and elongated positions clasp.
  • the fastener of the second strand on the carriage is constituted by a cap pivotally mounted on the carriage by means of a hinge pin and having on its face facing the carriage a retaining pin intended to cooperate with at least one hole provided on the second strand.
  • the hood is pivotable from a first raised position to a second folded position in which the second strand is held on the carriage, the hood being provided with a pushrod constituting said actuation and arranged to cooperate with a portion of the pawl in the folded position of the cover to spread out and out the end of the pawl of the notches against the effect of a resilient retaining member.
  • the support is constituted by a plate having on its two lateral edges the lateral slides intended to cooperate with corresponding shapes provided on the lateral edges of the carriage, the cam being formed in one of the lateral rails.
  • the pawl is pivotally mounted on the carriage by means of a hinge pin substantially perpendicular to the elongated plate in a groove provided on one of the lateral edges of the carriage, an elastic strip being housed in a blind hole of the carriage and arranged so as to act on the pawl to serve as an elastic return member.
  • the wafer is integral or integral with the second element. This gives a very compact construction.
  • the wafer is mounted on the second element by means of mounting members, such as a stirrup cooperating with an elastic strip.
  • the first embodiment relates to a clasp with a folding clasp for bracelets, more particularly for watch straps.
  • This folding clasp 10 consists of a first element, or base element 11 and a second element, or folding element 12 articulated to each other by means of a hinge axis 14 connecting first ends 15, 16 of these two elements 11, 12.
  • a second end 17 of the base member 11 is connected by a pin 18 to a first strand 19 of a bracelet.
  • This pin 18 is mounted on the base member 11 by means of a fastening flange 20 welded to the second end 17.
  • a second strand 21 of the bracelet is connected to a second end 22 of the folding element 12.
  • the clasp is provided with a setting mechanism 25 arranged to allow adjustment of the length of the bracelet in at least two positions, namely a shortened position and an extended position.
  • This adjustment mechanism 25 comprises a movable carriage 26 slidably mounted on the folding element 12, more particularly on its second end 22, constituting a support in the form of an elongate plate 27 in a longitudinal direction 29 and curved.
  • This plate has near its second end 22 on its two lateral edges side rails 30, 31 intended to cooperate with corresponding forms 32, 33 provided on the lateral edges of the carriage 26.
  • corresponding forms are constituted by U-shaped edges surrounding partially the lateral slides 30, 31.
  • the movable carriage 26 carries a pawl 36 which is biased resiliently against a portion 37 of the folding member 12 or the wafer 27 which is shaped to determine at least one shortened position and an extended position of the clasp and the bracelet.
  • Actuating means 50 are provided for acting on the pawl 36 in order to disengage it from the portion 37 of the folding element to allow the carriage 26 to move on the slideways 30, 31.
  • the carriage 26 is further provided with a fixing member 40 for mounting and fixing the second strand 21 of the bracelet on the carriage 26.
  • Part 37 of the folding element 12 is formed by a cam 38 which is clearly visible at the figure 2 .
  • a free end 39 of the pawl is biased against this cam 38 and slides along it when moving the carriage.
  • This cam 38 has two notches 41, 42 in which the pawl 36 is introduced under the effect of a resilient return member consisting of an elastic bar 43 housed in a blind hole 44 of the carriage 26 and acting on the pawl for elastically biasing its end 39 against the cam 38.
  • the notches 41 and 42 of this last determine the shortened positions ( Figures 3 to 6 ) and lying down ( Figures 4 to 10 ) of the clasp.
  • the notch 42 determining the elongated position has an oblique face 48 ( figure 2 ) allowing the pawl 36 to exit the notch 42 when the carriage 26 is moved to the shortened position.
  • the carriage 26 is automatically moved to the shortened position in which it remains blocked because the notch 41 has a face 49 ( figure 2 ) non-oblique substantially perpendicular to the longitudinal direction 29 of movement of the carriage.
  • the pawl 36 is pivotally mounted on the carriage 26 by means of a hinge pin 45 substantially perpendicular to the elongate plate 27 in a lateral groove 46 ( figure 2 ) provided on one of the side edges of the carriage 26.
  • this pawl is very little visible which contributes to the aesthetic appearance of the clasp. It comprises a raised rear portion 47 cooperating on one side with the resilient bar 43 and on the other side with the actuating means 50.
  • a cover 51 is pivotally mounted on the carriage 26 by means of an elastic bar 52 housed in a tube 53.
  • the latter is fixed by welding or gluing on the front portion of the carriage 26. It is provided on its face directed towards the carriage a holding pin 54 for cooperating with holes provided in the second strand 21 of the bracelet.
  • the cover 51 with its pin 54 serves as a fastening member 40 of the second strand 51. It is capable of being pivoted by a first raised position, in which the second strand 21 can be introduced into the space 55 ( figure 3 ) between the cover 51 and the carriage 26, to a second folded position in which the second strand 21 is held and locked on the carriage 26.
  • a pusher 57 constituting the actuating means 50 is mounted in a bore 58 of the cover 51. It cooperates, in the folded position of the cover 51, with the portion 47 of the pawl 36 to move the end 39 of the pawl notches 41, 42 of the cam 38 against the effect of the elastic strip 43.
  • the cam 38 has two outer portions 60, 61 cooperating with the pawl 36 to delimit the maximum amplitude of the displacement of the carriage 26 on the folding element. This maximum amplitude is typically between 2mm and 20mm, preferably between 4mm and 10mm and preferably between 5 and 7mm. Even when actuating the pusher 57 to pivot the pawl, the latter abuts against the outer portions 60, 61. The movement of the carriage is precisely determined and the carriage can not be removed from the leaflet element 12 without disassembling the pawl.
  • the clasp is further provided with a retaining mechanism 65 of the folding element 12 against the base element 11.
  • This mechanism comprises a knob in the form of a nut 66 connected to an elastic washer 67 and a screw 68 mounted on the leaflet element 12.
  • This button 65 can be frictionally inserted into a bore 69 provided on the base member 11. It is understood that the button 65 could also be mounted on the base member to cooperate with a bore in the leaflet element .
  • the second embodiment illustrated at Figures 11 to 13 has a setting mechanism 25 and actuating means 50 identical to the first embodiment. Identical or similar elements are therefore indicated by identical reference numerals. The description of the first embodiment is therefore also valid for this second embodiment with regard to identical or similar elements.
  • the second embodiment differs from the first embodiment in that it has two folding elements 12a and 12b articulated on the base member 11a along two hinge axes 14a and 14b.
  • the second strand 19 is not directly attached to the base element, but connected thereto via a second leaflet element 12b.
  • the latter carries a yoke 75 hingedly mounted by means of a bar 76 in a tube 77 welded to the second leaflet element 12b.
  • the second strand 19 of the bracelet is mounted on the stirrup 75 by means of a bar 78.
  • the clasp can thus be be opened by deploying the two leaflets 12a and 12b.
  • the adjustment of the length of the bracelet is carried out as previously described by moving the carriage 26 on the folding element 12a after having actuated the pusher 57.
  • the third embodiment illustrated in Figures 14 to 16 has an adjusting mechanism 25 and actuating means 50 similar to the first embodiment. Identical or similar elements are therefore indicated by identical reference numerals.
  • the third embodiment differs from the first embodiment in that the adjustment mechanism 25 is not integrated directly on the folding element, but is fixed to the latter by means of mounting members 80.
  • the folding clasp 10c consists of a base element 11 and a leaflet element 12c hinged to each other by means of a hinge 14 connecting the first ends 15, 16.
  • the second end 17 of the base member is connected by the pin 18 and the fastening flange 20 to the first strand of the bracelet.
  • the second strand of the bracelet is connected to the second end 22 of the leaflet element 12 by means of the adjustment mechanism 25 mounted on this second end 22 by means of said mounting members 80.
  • the folding buckle may therefore consist of an unfolding buckle conventional pre-existing on which an adjustment mechanism has been added 25.
  • the latter also comprises a support in the form of an elongated plate 27c in the longitudinal direction 29 provided with lateral guides 30, 31 intended to cooperate with corresponding shapes 32, 33 provided on the lateral edges of the carriage 26 and constituted by U.
  • the mobile carriage 26 also carries a pawl 36 cooperating with the cam 38 and its two notches 41, 42 defining shortened positions ( fig.15 ) and lying down ( Fig. 16 ).
  • An elastic strip 43 housed in a blind hole of the carriage acts on the pawl to urge it against the cam 38.
  • the fixing member 40 of the second strand of the bracelet also comprises the cover 51 pivotally mounted on the carriage 26 and carrying the retaining pin 54.
  • the pusher 57 constituting the actuating means 50 is mounted on the cover 51 and cooperates in the folded position thereof with the pawl 36.
  • the clasp also includes a retaining mechanism 65 with a nut 66 cooperating with a hole 69 to retain the leaflet element 12c on the base member 11.
  • the mounting members 80 make it possible to connect the elongate plate 27c in an articulated manner to the leaflet element 12c and comprise a yoke 81 integral with the elongate plate 27a and cooperating with an elastic strip 82 housed in a tube 83 welded to the leaflet element 12c at its second end 22.
  • this construction comprising mounting members 80 for connecting the adjustment mechanism 25 to a folding buckle, it is possible to integrate a setting mechanism to conventional folding buckles without changes parts.
  • the adjustment mechanism 25 could be provided for more than two positions, for example from 3 to 5 positions by providing the cam 38 with several notches.
  • the actuating means 50 could be different, for example constituted by a slide instead of a pusher.
  • the fastener 40 for securing the second strand to the carriage could be constituted by any other member that the pivoting cover 51, for example by a clamping element, such as a holding clamp.
  • the retention mechanism 65 of the folding element could have a completely different construction, for example that of a retaining hook.
  • the mounting members 80 may be of another nature.
  • the stirrup 81 could be integral with the folding element 12a and cooperate with an elastic strip forming part of the wafer 27c.
  • the bracelet clasp is typically adapted for use in conjunction with watches, but it could also be used for any other object or instrument worn on the wrist, such as an altimeter, dive computer, GPS, jewelry bracelet, etc. .

Abstract

The clasp has an elongated plate (27) connected to an unfolding element (12). A movable carrier (26) is mounted on the plate using lateral guide rails (30, 31) in a sliding manner. The carrier carries a pin (36) elastically solicited against a part (37) of the plate to determine shortened and elongated positions of the clasp and a bracelet. An activating unit (50) i.e. slider, is acted on the pin to disengage the pin from the part for allowing movement of the carrier on the guide rails. The carrier has a fixation component (40) i.e. pinch clip, to fix a strand of the bracelet to the carrier.

Description

La présente invention concerne un fermoir à boucle déployante pour bracelet comportant un premier élément et au moins un second élément articulés l'un à l'autre chacun par une première extrémité, une seconde extrémité du premier élément étant agencée pour être reliée à un premier brin du bracelet, tandis qu'une seconde extrémité du second élément dépliant est destinée à être reliée à un second brin du bracelet, le fermoir comportant un mécanisme de réglage agencé de façon à permettre un réglage de la longueur du bracelet en au moins deux positions.The present invention relates to a clasp with a folding clasp comprising a first element and at least a second element articulated to each other each by a first end, a second end of the first element being arranged to be connected to a first strand. of the bracelet, while a second end of the second leaflet element is intended to be connected to a second strand of the bracelet, the clasp having a setting mechanism arranged to allow adjustment of the length of the bracelet in at least two positions.

Des fermoirs de ce type sont connus et utilisés notamment pour des bracelets de montre. lls permettent d'adapter la longueur du bracelet au poignet de l'utilisateur. Les fermoirs connus présentent cependant une construction compliquée et/ou ils ne permettent pas de régler très rapidement, confortablement et de manière fiable la longueur du bracelet lorsque celui-ci est porté par son utilisateur.Clasps of this type are known and used especially for watch straps. They make it possible to adapt the length of the wrist strap to the user's wrist. The known clasps, however, have a complicated construction and / or they do not allow to adjust very quickly, comfortably and reliably the length of the bracelet when it is worn by its user.

Le but de la présente invention est de remédier à ces inconvénients et de créer un fermoir à boucle déployante, permettant un réglage rapide, confortable et fiable de la longueur du bracelet, tout en présentant une construction simple, esthétique et sûre avec un nombre de composants réduits.The object of the present invention is to overcome these disadvantages and to create a clasp with folding clasp, allowing a quick, comfortable and reliable adjustment of the length of the bracelet, while having a simple construction, aesthetic and safe with a number of components reduced.

Le fermoir selon l'invention est caractérisé à cet effet par le fait que le mécanisme de réglage comprend un support relié au second élément et un chariot mobile monté coulissant sur ce support grâce à au moins une glissière prévue sur le support, le chariot mobile portant un cliquet sollicité élastiquement contre une partie du support qui est conformé pour déterminer au moins une position raccourcie et une position allongée du fermoir et du bracelet, des moyens d'actionnement étant prévus pour agir sur le cliquet afin de dégager le cliquet de ladite partie pour permettre le déplacement du chariot sur la glissière, le chariot étant muni d'un_organe de fixation permettant de fixer le second brin au chariot.The clasp according to the invention is characterized for this purpose by the fact that the adjustment mechanism comprises a support connected to the second element and a movable carriage slidably mounted on this support by means of at least one slide provided on the support, the carriage carrying a pawl resiliently urged against a portion of the support which is shaped to determine at least one shortened position and an extended position of the clasp and the strap, actuating means being provided to act on the pawl to disengage the pawl from said portion to allow movement of the carriage on the slide, the carriage being provided with a fastener for securing the second strand to the carriage.

Grâce à ces caractéristiques on obtient un réglage de la longueur immédiat, confortable et précis, tout en bénéficiant d'une construction simple, esthétique et fiable avec un nombre de composants réduits et d'un faible encombrement.Thanks to these features an immediate, comfortable and precise length adjustment is obtained, while benefiting from a simple, aesthetic and reliable construction with a reduced number of components and a small footprint.

Avantageusement, ladite partie de ce support est constituée par une came contre laquelle une extrémité du cliquet est sollicitée et le long de laquelle cette extrémité du cliquet glisse, cette came comportant au moins deux encoches avec lesquelles le cliquet coopère pour déterminer les positions raccourcies et allongées du fermoir.Advantageously, said portion of this support is constituted by a cam against which an end of the pawl is biased and along which this end of the pawl slides, this cam having at least two notches with which the pawl cooperates to determine the shortened and elongated positions clasp.

Ces caractéristiques assurent un fonctionnement particulièrement précis et fiable.These features ensure particularly accurate and reliable operation.

De manière favorable, l'organe de fixation du second brin sur le chariot est constitué par un capot monté de façon pivotante sur le chariot grâce à un axe d'articulation et comportant sur sa face dirigée vers le chariot une goupille de maintien destinée à coopérer avec au moins un trou prévu sur le second brin.Favorably, the fastener of the second strand on the carriage is constituted by a cap pivotally mounted on the carriage by means of a hinge pin and having on its face facing the carriage a retaining pin intended to cooperate with at least one hole provided on the second strand.

On obtient ainsi un fermoir d'un usage pratique et d'un aspect très esthétique.This gives a clasp of practical use and a very aesthetic appearance.

Selon un mode d'exécution avantageux, le capot est susceptible d'être pivoté d'une première position levée vers une seconde position rabattue dans laquelle le second brin est maintenu sur le chariot, le capot étant muni d'un poussoir constituant lesdits moyens d'actionnement et agencé de façon à coopérer avec une portion du cliquet dans la position rabattue du capot pour écarter et sortir l'extrémité du cliquet des encoches contre l'effet d'un élément de retenue élastique.According to an advantageous embodiment, the hood is pivotable from a first raised position to a second folded position in which the second strand is held on the carriage, the hood being provided with a pushrod constituting said actuation and arranged to cooperate with a portion of the pawl in the folded position of the cover to spread out and out the end of the pawl of the notches against the effect of a resilient retaining member.

Ces caractéristiques permettent un réglage double aisé de la longueur du bracelet, soit en changeant la position du second brin par pivotement du capot, soit par l'actionnement du poussoir.These characteristics allow easy double adjustment of the length of the bracelet, either by changing the position of the second strand by pivoting the cover, or by actuation of the pusher.

Favorablement, le support est constitué par une plaquette présentant sur ses deux bords latéraux les glissières latérales destinées à coopérer avec des formes correspondantes prévues sur les bords latéraux du chariot, la came étant formée dans une des glissières latérales.Favorably, the support is constituted by a plate having on its two lateral edges the lateral slides intended to cooperate with corresponding shapes provided on the lateral edges of the carriage, the cam being formed in one of the lateral rails.

On obtient grâce à ces caractéristiques une construction particulièrement précise et simple.Thanks to these characteristics, a particularly precise and simple construction is obtained.

De façon avantageuse, le cliquet est monté pivotant sur le chariot grâce à une tige d'articulation sensiblement perpendiculaire à la plaquette allongée dans une rainure prévue sur un des bords latéraux du chariot, une barrette élastique étant logée dans un trou borgne du chariot et agencée de façon à agir sur le cliquet pour servir d'organe de rappel élastique.Advantageously, the pawl is pivotally mounted on the carriage by means of a hinge pin substantially perpendicular to the elongated plate in a groove provided on one of the lateral edges of the carriage, an elastic strip being housed in a blind hole of the carriage and arranged so as to act on the pawl to serve as an elastic return member.

Ces caractéristiques permettent un aspect très esthétique du fermoir, un fonctionnement fiable et un montage aisé.These features allow a very aesthetic appearance of the clasp, reliable operation and easy assembly.

Selon un mode d'exécution avantageux, la plaquette est solidaire ou venue d'une pièce avec le second élément. On obtient ainsi une construction très peu encombrante.According to an advantageous embodiment, the wafer is integral or integral with the second element. This gives a very compact construction.

Selon une variante, la plaquette est montée sur le second élément au moyen d'organes de montage, tels qu'un étrier coopérant avec une barrette élastique. Grâce à ces caractéristiques, il est possible de modifier et transformer des fermoirs à boucle déployante préexistants simples en fermoirs extensibles.According to one variant, the wafer is mounted on the second element by means of mounting members, such as a stirrup cooperating with an elastic strip. With these features, it is possible to modify and transform existing pre-existing clasp clasps into expandable clasps.

D'autres avantages ressortent des caractéristiques exprimées dans les revendications dépendantes et de la description exposant ci-après l'invention plus en détail à l'aide de dessins qui représentent schématiquement et à titre d'exemple deux modes d'exécution.

  • Les figures 1 et 2 sont des vues en perspective éclatée d'un premier mode d'exécution illustrant séparément les différents composants et éléments du premier mode d'exécution.
  • La figure 3 est une vue latérale de ce mode d'exécution en position raccourcie.
  • La figure 4 représente une vue en plan de dessus du premier mode d'exécution en position raccourcie.
  • Les figures 5 et 6 sont des vues en perspective de dessus et dessous de ce mode d'exécution en position raccourcie.
  • La figure 7 est une vue latérale du premier mode d'exécution en position allongée.
  • La figure 8 représente une vue en plan de dessus du premier mode d'exécution en position allongée.
  • Les figures 9 et 10 sont des vues en perspective de dessus et de dessous de ce mode d'exécution en position allongée.
  • La figure 11 est une vue en perspective éclatée d'un second mode d'exécution.
  • La figure 12 illustre une vue latérale de ce second mode d'exécution.
  • La figure 13 est une vue en plan de dessus du second mode d'exécution.
  • La figure 14 est une vue en perspective éclatée d'un troisième mode d'exécution.
  • Les figures 15 et 16 sont des vues en perspective du troisième mode d'exécution vue de dessous dans deux positions.
Other advantages emerge from the features expressed in the dependent claims and from the following description explaining the invention in more detail with the aid of drawings which show schematically and by way of example two embodiments.
  • The figures 1 and 2 are exploded perspective views of a first embodiment separately illustrating the different components and elements of the first embodiment.
  • The figure 3 is a side view of this embodiment in the shortened position.
  • The figure 4 represents a plan view from above of the first embodiment in the shortened position.
  • The Figures 5 and 6 are perspective views from above and below of this embodiment in the shortened position.
  • The figure 7 is a side view of the first embodiment in the extended position.
  • The figure 8 represents a plan view from above of the first embodiment in the extended position.
  • The Figures 9 and 10 are perspective views from above and below of this embodiment in the extended position.
  • The figure 11 is an exploded perspective view of a second embodiment.
  • The figure 12 illustrates a side view of this second embodiment.
  • The figure 13 is a top plan view of the second embodiment.
  • The figure 14 is an exploded perspective view of a third embodiment.
  • The Figures 15 and 16 are perspective views of the third embodiment seen from below in two positions.

En référence aux figures 1 à 10, le premier mode d'exécution concerne un fermoir à boucle déployante pour bracelets, plus particulièrement pour bracelets de montres. Cette boucle déployante 10 est constituée d'un premier élément, ou élément de base 11 et d'un second élément, ou élément dépliant 12 articulés l'un à l'autre grâce à un axe d'articulation 14 reliant des premières extrémités 15, 16 de ces deux éléments 11, 12.With reference to Figures 1 to 10 , the first embodiment relates to a clasp with a folding clasp for bracelets, more particularly for watch straps. This folding clasp 10 consists of a first element, or base element 11 and a second element, or folding element 12 articulated to each other by means of a hinge axis 14 connecting first ends 15, 16 of these two elements 11, 12.

Une seconde extrémité 17 de l'élément de base 11 est connectée par une goupille 18 à un premier brin 19 d'un bracelet. Cette goupille 18 est montée sur l'élément de base 11 grâce à une bride de fixation 20 soudée à la seconde extrémité 17.A second end 17 of the base member 11 is connected by a pin 18 to a first strand 19 of a bracelet. This pin 18 is mounted on the base member 11 by means of a fastening flange 20 welded to the second end 17.

Un second brin 21 du bracelet est relié à une seconde extrémité 22 de l'élément dépliant 12.A second strand 21 of the bracelet is connected to a second end 22 of the folding element 12.

Le fermoir est muni d'un mécanisme de réglage 25 agencé de façon à permettre un réglage de la longueur du bracelet suivant au moins deux positions, à savoir une position raccourcie et une position allongée.The clasp is provided with a setting mechanism 25 arranged to allow adjustment of the length of the bracelet in at least two positions, namely a shortened position and an extended position.

Ce mécanisme de réglage 25 comprend un chariot mobile 26 monté coulissant sur l'élément dépliant 12, plus particulièrement sur sa seconde extrémité 22, constituant un support sous forme d'une plaquette allongée 27 suivant une direction longitudinale 29 et courbée.This adjustment mechanism 25 comprises a movable carriage 26 slidably mounted on the folding element 12, more particularly on its second end 22, constituting a support in the form of an elongate plate 27 in a longitudinal direction 29 and curved.

Cette plaquette présente près de sa seconde extrémité 22 sur ses deux bords latéraux des glissières latérales 30, 31 destinées à coopérer avec des formes correspondantes 32, 33 prévues sur les bords latéraux du chariot 26. Ces formes correspondantes sont constituées par des bords en U entourant partiellement les glissières latérales 30, 31.This plate has near its second end 22 on its two lateral edges side rails 30, 31 intended to cooperate with corresponding forms 32, 33 provided on the lateral edges of the carriage 26. These corresponding forms are constituted by U-shaped edges surrounding partially the lateral slides 30, 31.

Le chariot mobile 26 porte un cliquet 36 qui est sollicité élastiquement contre une partie 37 de l'élément dépliant 12 ou la plaquette 27 qui est conformée pour déterminer au moins une position raccourcie et une position allongée du fermoir et du bracelet. Des moyens d'actionnement 50 sont prévus pour agir sur le cliquet 36 afin de dégager celui-ci de la partie 37 de l'élément dépliant pour permettre le déplacement du chariot 26 sur les glissières 30, 31. Le chariot 26 est en outre muni d'un organe de fixation 40 permettant le montage et la fixation du second brin 21 du bracelet sur le chariot 26.The movable carriage 26 carries a pawl 36 which is biased resiliently against a portion 37 of the folding member 12 or the wafer 27 which is shaped to determine at least one shortened position and an extended position of the clasp and the bracelet. Actuating means 50 are provided for acting on the pawl 36 in order to disengage it from the portion 37 of the folding element to allow the carriage 26 to move on the slideways 30, 31. The carriage 26 is further provided with a fixing member 40 for mounting and fixing the second strand 21 of the bracelet on the carriage 26.

La partie 37 de l'élément dépliant 12 est formée par une came 38 bien visible à la figure 2. Une extrémité libre 39 du cliquet est sollicitée contre cette came 38 et coulisse le long d'elle lors du déplacement du chariot. Cette came 38 présente deux encoches 41, 42 dans lesquelles le cliquet 36 est introduit sous l'effet d'un organe de rappel élastique constitué par une barrette élastique 43 logée dans un trou borgne 44 du chariot 26 et agissant sur le cliquet pour solliciter élastiquement son extrémité 39 contre la came 38. Les encoches 41 et 42 de cette dernière déterminent les positions raccourcie (figures 3 à 6) et allongée (figures 4 à 10) du fermoir. L'encoche 42 déterminant la position allongée présente une face oblique 48 (figure 2) permettant au cliquet 36 de sortir de l'encoche 42 lorsque le chariot 26 est déplacé vers la position raccourcie. Ainsi, dans la position dépliée ouverte de la boucle déployante 10, le chariot 26 est déplacé automatiquement vers la position raccourcie dans laquelle il reste bloqué, car l'encoche 41 possède une face 49 (figure 2) non oblique sensiblement perpendiculaire à la direction longitudinale 29 de déplacement du chariot.Part 37 of the folding element 12 is formed by a cam 38 which is clearly visible at the figure 2 . A free end 39 of the pawl is biased against this cam 38 and slides along it when moving the carriage. This cam 38 has two notches 41, 42 in which the pawl 36 is introduced under the effect of a resilient return member consisting of an elastic bar 43 housed in a blind hole 44 of the carriage 26 and acting on the pawl for elastically biasing its end 39 against the cam 38. The notches 41 and 42 of this last determine the shortened positions ( Figures 3 to 6 ) and lying down ( Figures 4 to 10 ) of the clasp. The notch 42 determining the elongated position has an oblique face 48 ( figure 2 ) allowing the pawl 36 to exit the notch 42 when the carriage 26 is moved to the shortened position. Thus, in the unfolded open position of the folding clasp 10, the carriage 26 is automatically moved to the shortened position in which it remains blocked because the notch 41 has a face 49 ( figure 2 ) non-oblique substantially perpendicular to the longitudinal direction 29 of movement of the carriage.

Le cliquet 36 est monté pivotant sur le chariot 26 grâce à une tige d'articulation 45 sensiblement perpendiculaire à la plaquette allongée 27 dans une rainure latérale 46 (figure 2) prévue sur l'un des bords latéraux du chariot 26. Ainsi, ce cliquet est très peu visible ce qui contribue à l'aspect esthétique du fermoir. Il comprend une partie arrière relevée 47 coopérant d'un côté avec la barrette élastique 43 et de l'autre côté avec les moyens d'actionnement 50.The pawl 36 is pivotally mounted on the carriage 26 by means of a hinge pin 45 substantially perpendicular to the elongate plate 27 in a lateral groove 46 ( figure 2 ) provided on one of the side edges of the carriage 26. Thus, this pawl is very little visible which contributes to the aesthetic appearance of the clasp. It comprises a raised rear portion 47 cooperating on one side with the resilient bar 43 and on the other side with the actuating means 50.

Un capot 51 est monté de façon pivotante sur le chariot 26 grâce à une barrette élastique 52 logée dans un tube 53. Ce dernier est fixé par soudage ou collage sur la partie antérieure du chariot 26. Il est muni sur sa face dirigée vers le chariot d'une goupille de maintien 54 destinée à coopérer avec des trous prévus dans le second brin 21 du bracelet.A cover 51 is pivotally mounted on the carriage 26 by means of an elastic bar 52 housed in a tube 53. The latter is fixed by welding or gluing on the front portion of the carriage 26. It is provided on its face directed towards the carriage a holding pin 54 for cooperating with holes provided in the second strand 21 of the bracelet.

Ainsi le capot 51 avec sa goupille 54 sert d'organe de fixation 40 du second brin 51. Il est susceptible d'être pivoté d'une première position levée, dans laquelle le second brin 21 peut être introduit dans l'espace 55 (figure 3) entre le capot 51 et le chariot 26, vers une seconde position rabattue dans laquelle le second brin 21 est maintenu et bloqué sur le chariot 26.Thus the cover 51 with its pin 54 serves as a fastening member 40 of the second strand 51. It is capable of being pivoted by a first raised position, in which the second strand 21 can be introduced into the space 55 ( figure 3 ) between the cover 51 and the carriage 26, to a second folded position in which the second strand 21 is held and locked on the carriage 26.

Un poussoir 57 constituant les moyens d'actionnement 50 est monté dans un alésage 58 du capot 51. Il coopère, dans la position rabattue du capot 51, avec la partie 47 du cliquet 36 pour écarter et sortir l'extrémité 39 de ce cliquet des encoches 41, 42 de la came 38 contre l'effet de la barrette élastique 43. Il est à noter que la came 38 présente deux portions externes 60, 61 coopérant avec le cliquet 36 pour délimiter l'amplitude maximale du déplacement du chariot 26 sur l'élément dépliant. Cette amplitude maximale est typiquement comprise entre 2mm et 20mm, avantageusement entre 4mm et 10mm et de préférence entre 5 et 7mm. Même lorsqu'on actionne le poussoir 57 pour pivoter le cliquet, ce dernier bute contre les portions externes 60, 61. Le déplacement du chariot est donc précisément déterminé et le chariot ne peut être enlevé de l'élément dépliant 12 sans démonter le cliquet.A pusher 57 constituting the actuating means 50 is mounted in a bore 58 of the cover 51. It cooperates, in the folded position of the cover 51, with the portion 47 of the pawl 36 to move the end 39 of the pawl notches 41, 42 of the cam 38 against the effect of the elastic strip 43. It should be noted that the cam 38 has two outer portions 60, 61 cooperating with the pawl 36 to delimit the maximum amplitude of the displacement of the carriage 26 on the folding element. This maximum amplitude is typically between 2mm and 20mm, preferably between 4mm and 10mm and preferably between 5 and 7mm. Even when actuating the pusher 57 to pivot the pawl, the latter abuts against the outer portions 60, 61. The movement of the carriage is precisely determined and the carriage can not be removed from the leaflet element 12 without disassembling the pawl.

Le fermoir est en outre muni d'un mécanisme de retenue 65 de l'élément dépliant 12 contre l'élément de base 11. Ce mécanisme comprend un bouton sous forme d'un écrou 66 assemblé à une rondelle élastique 67 et à une vis 68 montés sur l'élément dépliant 12.The clasp is further provided with a retaining mechanism 65 of the folding element 12 against the base element 11. This mechanism comprises a knob in the form of a nut 66 connected to an elastic washer 67 and a screw 68 mounted on the leaflet element 12.

Ce bouton 65 peut être introduit à friction dans un alésage 69 prévu sur l'élément de base 11. Il est bien entendu que le bouton 65 pourrait également être monté sur l'élément de base pour coopérer avec un alésage pratiqué dans l'élément dépliant.This button 65 can be frictionally inserted into a bore 69 provided on the base member 11. It is understood that the button 65 could also be mounted on the base member to cooperate with a bore in the leaflet element .

Le second mode d'exécution illustré aux figures 11 à 13 présente un mécanisme de réglage 25 et de moyens d'actionnement 50 identiques au premier mode d'exécution. Les éléments identiques ou similaires sont donc indiqués par des chiffres de référence identiques. La description du premier mode d'exécution est donc également valable pour ce second mode d'exécution en ce qui concerne des éléments identiques ou similaires. Le second mode d'exécution se différencie du premier mode d'exécution par le fait qu'il présente deux éléments dépliants 12a et 12b articulés sur l'élément de base 11a suivant deux axes d'articulation 14a et 14b.The second embodiment illustrated at Figures 11 to 13 has a setting mechanism 25 and actuating means 50 identical to the first embodiment. Identical or similar elements are therefore indicated by identical reference numerals. The description of the first embodiment is therefore also valid for this second embodiment with regard to identical or similar elements. The second embodiment differs from the first embodiment in that it has two folding elements 12a and 12b articulated on the base member 11a along two hinge axes 14a and 14b.

Le second brin 19 n'est donc pas directement fixé sur l'élément de base, mais relié à ce dernier par l'intermédiaire d'un second élément dépliant 12b.The second strand 19 is not directly attached to the base element, but connected thereto via a second leaflet element 12b.

Ce dernier porte un étrier 75 monté de façon articulée grâce à une barrette 76 dans un tube 77 soudé sur le second élément dépliant 12b. Le second brin 19 du bracelet est monté sur l'étrier 75 grâce à une barrette 78. Le fermoir peut ainsi être ouvert en déployant les deux éléments dépliants 12a et 12b. Le réglage de la longueur du bracelet s'effectue comme précédemment décrit en déplaçant le chariot 26 sur l'élément dépliant 12a après avoir actionné le poussoir 57.The latter carries a yoke 75 hingedly mounted by means of a bar 76 in a tube 77 welded to the second leaflet element 12b. The second strand 19 of the bracelet is mounted on the stirrup 75 by means of a bar 78. The clasp can thus be be opened by deploying the two leaflets 12a and 12b. The adjustment of the length of the bracelet is carried out as previously described by moving the carriage 26 on the folding element 12a after having actuated the pusher 57.

Le troisième mode d'exécution illustré aux figures 14 à 16 présente un mécanisme de réglage 25 et des moyens d'actionnement 50 similaires au premier mode d'exécution. Les éléments identiques ou similaires sont donc indiqués par des chiffres de référence identiques.The third embodiment illustrated in Figures 14 to 16 has an adjusting mechanism 25 and actuating means 50 similar to the first embodiment. Identical or similar elements are therefore indicated by identical reference numerals.

La description du premier mode d'exécution est donc également valable pour ce troisième mode d'exécution en ce qui concerne les éléments identiques ou similaires.The description of the first embodiment is therefore also valid for this third embodiment with regard to identical or similar elements.

Le troisième mode d'exécution se différencie du premier mode d'exécution par le fait que le mécanisme de réglage 25 n'est pas intégré directement sur l'élément dépliant, mais fixé à ce dernier grâce à des organes de montage 80.The third embodiment differs from the first embodiment in that the adjustment mechanism 25 is not integrated directly on the folding element, but is fixed to the latter by means of mounting members 80.

La boucle déployante 10c est constituée par un élément de base 11 et d'un élément dépliant 12c articulé l'un à l'autre grâce à une articulation 14 reliant les premières extrémités 15, 16.The folding clasp 10c consists of a base element 11 and a leaflet element 12c hinged to each other by means of a hinge 14 connecting the first ends 15, 16.

La seconde extrémité 17 de l'élément de base est connectée par la goupille 18 et la bride de fixation 20 au premier brin du bracelet.The second end 17 of the base member is connected by the pin 18 and the fastening flange 20 to the first strand of the bracelet.

Le second brin du bracelet est relié à la seconde extrémité 22 de l'élément dépliant 12 par l'intermédiaire du mécanisme de réglage 25 monté sur cette seconde extrémité 22 grâce audits organes de montage 80. La boucle dépliante peut donc consister en une boucle dépliante conventionnelle préexistante sur laquelle on a ajouté un mécanisme de réglage 25.The second strand of the bracelet is connected to the second end 22 of the leaflet element 12 by means of the adjustment mechanism 25 mounted on this second end 22 by means of said mounting members 80. The folding buckle may therefore consist of an unfolding buckle conventional pre-existing on which an adjustment mechanism has been added 25.

Ce dernier comporte également un support sous forme d'une plaquette allongée 27c suivant la direction longitudinale 29 munie de glissières latérales 30, 31 destinées à coopérer avec des formes correspondantes 32, 33 prévues sur les bords latéraux du chariot 26 et constituées par des bords en U.The latter also comprises a support in the form of an elongated plate 27c in the longitudinal direction 29 provided with lateral guides 30, 31 intended to cooperate with corresponding shapes 32, 33 provided on the lateral edges of the carriage 26 and constituted by U.

Le chariot mobile 26 porte également un cliquet 36 coopérant avec la came 38 et ses deux encoches 41, 42 définissant des positions raccourcie (fig.15) et allongée (fig. 16).The mobile carriage 26 also carries a pawl 36 cooperating with the cam 38 and its two notches 41, 42 defining shortened positions ( fig.15 ) and lying down ( Fig. 16 ).

Une barrette élastique 43 logée dans un trou borgne du chariot agit sur le cliquet pour le solliciter contre la came 38.An elastic strip 43 housed in a blind hole of the carriage acts on the pawl to urge it against the cam 38.

L'organe de fixation 40 du second brin du bracelet comprend également le capot 51 monté pivotant sur le chariot 26 et portant la goupille de maintien 54.The fixing member 40 of the second strand of the bracelet also comprises the cover 51 pivotally mounted on the carriage 26 and carrying the retaining pin 54.

Le poussoir 57 constituant les moyens d'actionnement 50 est monté sur le capot 51 et coopère dans la position rabattue de celui-ci avec le cliquet 36.The pusher 57 constituting the actuating means 50 is mounted on the cover 51 and cooperates in the folded position thereof with the pawl 36.

Le fermoir comprend également un mécanisme de retenue 65 avec un écrou 66 coopérant avec un trou 69 pour retenir l'élément dépliant 12c sur l'élément de base 11.The clasp also includes a retaining mechanism 65 with a nut 66 cooperating with a hole 69 to retain the leaflet element 12c on the base member 11.

Les organes de montage 80 permettent de relier la plaquette allongée 27c de façon articulée à l'élément dépliant 12c et comportent un étrier 81 solidaire de la plaquette allongée 27a et coopérant avec une barrette élastique 82 logée dans un tube 83 soudé sur l'élément dépliant 12c à sa seconde extrémité 22. Grâce à cette construction comportant des organes de montage 80 pour relier le mécanisme de réglage 25 à une boucle dépliante, il est possible d'intégrer un mécanisme réglage à des boucles dépliantes conventionnelles sans modifications des pièces.The mounting members 80 make it possible to connect the elongate plate 27c in an articulated manner to the leaflet element 12c and comprise a yoke 81 integral with the elongate plate 27a and cooperating with an elastic strip 82 housed in a tube 83 welded to the leaflet element 12c at its second end 22. With this construction comprising mounting members 80 for connecting the adjustment mechanism 25 to a folding buckle, it is possible to integrate a setting mechanism to conventional folding buckles without changes parts.

Ainsi, dans le cas des trois modes d'exécution, il est possible par une simple pression sur le poussoir 57 d'allonger ou de raccourcir immédiatement le bracelet. On peut ainsi adapter aisément la longueur du bracelet à des conditions extérieures différentes, par exemple la position raccourcie permet un maintien ferme du bracelet et de la montre pour effectuer des activités sportives et la position allongée assure un confort accru au repos.Thus, in the case of the three modes of execution, it is possible by a simple pressure on the pusher 57 to lengthen or shorten the bracelet immediately. It is thus easy to adapt the length of the bracelet to different external conditions, for example the shortened position allows a firm hold of the bracelet and the watch to perform sports activities and the extended position ensures increased comfort at rest.

II est bien entendu que les modes de réalisation décrits ci-dessus ne présentent aucun caractère limitatif et qu'ils peuvent recevoir toutes modifications désirables à l'intérieur du cadre tel que défini par la revendication 1. En particulier, le mécanisme de réglage 25 pourrait être prévu pour plus de deux positions, par exemple de 3 à 5 positions en munissant la came 38 de plusieurs encoches.It is understood that the embodiments described above are not limiting in nature and that they can receive any desirable modifications within the frame as defined by claim 1. In particular, the adjustment mechanism 25 could be provided for more than two positions, for example from 3 to 5 positions by providing the cam 38 with several notches.

Les moyens d'actionnement 50 pourraient être différentes, par exemple constitués par un coulisseau au lieu d'un poussoir.The actuating means 50 could be different, for example constituted by a slide instead of a pusher.

L'organe de fixation 40 permettant de fixer le second brin au chariot pourrait être constituer par un tout autre organe que le capot pivotant 51, par exemple par un élément de serrage, tel qu'une pince de maintien.The fastener 40 for securing the second strand to the carriage could be constituted by any other member that the pivoting cover 51, for example by a clamping element, such as a holding clamp.

Le mécanisme de retenue 65 de l'élément dépliant pourrait présenter une toute autre construction, par exemple celle d'un crochet de retenue.The retention mechanism 65 of the folding element could have a completely different construction, for example that of a retaining hook.

Les organes de montage 80 pourront être d'une autre nature. L'étrier 81 pourrait être solidaire de l'élément dépliant 12a et coopérer avec une barrette élastique faisant partie de la plaquette 27c. Le mécanisme de réglage 25, au lieu d'être relié à l'élément dépliant 12, 12c, pourrait être relié à l'élément de base 11.The mounting members 80 may be of another nature. The stirrup 81 could be integral with the folding element 12a and cooperate with an elastic strip forming part of the wafer 27c. The adjusting mechanism 25, instead of being connected to the folding element 12, 12c, could be connected to the base element 11.

Le fermoir pour bracelet est typiquement adapté à un usage en relation avec des montres, mais il pourrait également être utilisé pour tout autre objet ou un instrument porté au poignet, tel qu'un altimètre, ordinateur de plongée, GPS, bracelet de bijouterie, etc.The bracelet clasp is typically adapted for use in conjunction with watches, but it could also be used for any other object or instrument worn on the wrist, such as an altimeter, dive computer, GPS, jewelry bracelet, etc. .

Claims (14)

Fermoir à boucle déployante (10) pour bracelet comportant un premier élément (11) et au moins un second élément (12) articulés l'un à l'autre chacun par une première extrémité (15, 16), une seconde extrémité (17) du premier élément (11) étant agencée pour être reliée à un premier brin du bracelet (19), tandis qu'une seconde extrémité (22) du second élément (12) est destinée à être reliée à un second brin (21) du bracelet, le fermoir comportant un mécanisme de réglage (25) agencé de façon à permettre un réglage de la longueur du bracelet en au moins deux positions, caractérisé par le fait que le mécanisme de réglage (25) comprend un support (27,27c) relié au second élément (12) et un chariot mobile (26) monté coulissant sur le support (27,27c) grâce à au moins une glissière (30, 31) prévue le support (27,27c), le chariot mobile (26) portant un cliquet (36) sollicité élastiquement contre une partie (37) du support (27, 27c) qui est conformé pour déterminer au moins une position raccourcie et une position allongée du fermoir et du bracelet, des moyens d'actionnement (50) étant prévus pour agir sur le cliquet (36) afin de dégager le cliquet de ladite partie (37) pour permettre le déplacement du chariot (26) sur la glissière (30, 31), le chariot (26) étant muni d'un organe de fixation (40) permettant de fixer le second brin (21) au chariot.Folding clasp (10) for a bracelet comprising a first element (11) and at least one second element (12) articulated to each other each by a first end (15, 16), a second end (17) the first element (11) being arranged to be connected to a first strand of the bracelet (19), while a second end (22) of the second element (12) is intended to be connected to a second strand (21) of the bracelet , the clasp comprising an adjusting mechanism (25) arranged to allow adjustment of the length of the bracelet in at least two positions, characterized in that the adjustment mechanism (25) comprises a support (27,27c) connected at the second element (12) and a movable carriage (26) slidably mounted on the support (27,27c) by means of at least one slide (30,31) provided with the support (27,27c), the movable carriage (26) carrying a pawl (36) resiliently biased against a portion (37) of the support (27, 27c) which is conform é to determine at least one shortened position and an extended position of the clasp and the bracelet, actuating means (50) being provided to act on the pawl (36) to disengage the pawl of said portion (37) to allow the moving the carriage (26) on the slide (30, 31), the carriage (26) being provided with a fixing member (40) for fixing the second strand (21) to the carriage. Fermoir selon la revendication 1, caractérisé par le fait que ladite partie (37) de ce support (27, 27c) comprend une came (38) contre laquelle une extrémité (39) du cliquet (36) est sollicitée et le long de laquelle cette extrémité (39) du cliquet glisse, cette came (38) comportant au moins deux encoches (41, 42), avec lesquelles le cliquet (36) coopère pour déterminer les positions raccourcies et allongées du fermoir.Clasp according to claim 1, characterized in that said portion (37) of this support (27, 27c) comprises a cam (38) against which an end (39) of the pawl (36) is urged and along which this end (39) of the pawl slides, this cam (38) having at least two notches (41, 42), with which the pawl (36) cooperates to determine the shortened and elongated positions of the clasp. Fermoir selon la revendication 2, caractérisé par le fait que la came (38) présente deux portions externes (60, 61) coopérant avec le cliquet (36) pour délimiter l'amplitudé maximale du déplacement du chariot (26) sur le support (27,27c).Clasp according to claim 2, characterized in that the cam (38) has two outer portions (60, 61) cooperating with the pawl (36) to delimit the maximum amplitude of the displacement of the carriage (26) on the support (27). , 27c). Fermoir selon la revendication 2, caractérisé par le fait que l'organe de fixation (40) du second brin (21) sur le chariot (26) est constitué par un capot (51) monté de façon pivotante sur le chariot (26) grâce à un axe d'articulation (52) et comportant sur sa face dirigée vers le chariot (26) une goupille de maintien (54) destinée à coopérer avec au moins un trou prévu sur le second brin (21).Clasp according to claim 2, characterized in that the fastener (40) of the second strand (21) on the carriage (26) is constituted by a cover (51) pivotally mounted on the carriage (26) through a hinge pin (52) and having on its face facing the carriage (26) a retaining pin (54) for cooperating with at least one hole provided on the second strand (21). Fermoir selon la revendication 4, caractérisé par le fait que le capot (51) est susceptible d'être pivoté d'une première position levée vers une seconde position rabattue dans laquelle le second brin (21) est maintenu sur le chariot (26), le capot (51) étant muni d'un poussoir (57) constituant lesdits moyens d'actionnement (50) et agencé de façon à coopérer avec une portion (47) du cliquet (36) dans la position rabattue du capot (51) pour écarter et sortir l'extrémité (39) du cliquet des encoches (41, 42) contre l'effet d'un élément de retenue élastique (43).Clasp according to claim 4, characterized in that the cover (51) is pivotable from a first raised position to a second folded position in which the second strand (21) is held on the carriage (26), the cover (51) being provided with a pusher (57) constituting said actuating means (50) and arranged to cooperate with a portion (47) of the pawl (36) in the folded position of the cover (51) for move the end (39) of the pawl of the notches (41, 42) against the effect of an elastic retaining element (43). Fermoir selon la revendication 2, caractérisé par le fait que le support est constitué par une plaquette (27, 27c) présentant sur ses deux bords latéraux les glissières latérales (30, 31) destinées à coopérer avec des formes correspondantes (32, 33) prévues sur les bords latéraux du chariot (26), la came (38) étant formée dans une (31) des glissières latérales.Clasp according to claim 2, characterized in that the support is constituted by a plate (27, 27c) having on its two lateral edges the lateral slides (30, 31) intended to cooperate with corresponding shapes (32, 33) provided on the side edges of the carriage (26), the cam (38) being formed in one (31) of the slides side. Fermoir selon la revendication 6, caractérisé par le fait que le cliquet (36) est monté pivotant sur le chariot (26) grâce à une tige d'articulation (45) sensiblement perpendiculaire à la plaquette (27,27c) dans une rainure (46) prévue sur un des bords latéraux du chariot (26), une barrette élastique (43) étant logée dans un trou borgne (44) du chariot et agencée de façon à agir sur le cliquet (36) pour servir d'organe de rappel élastique.Clasp according to claim 6, characterized in that the pawl (36) is pivotally mounted on the carriage (26) by means of a hinge rod (45) substantially perpendicular to the plate (27,27c) in a groove (46). ) provided on one of the lateral edges of the carriage (26), an elastic strip (43) being housed in a blind hole (44) of the carriage and arranged to act on the pawl (36) to serve as an elastic return member . Fermoir selon la revendication 4, caractérisé par le fait que l'axe d'articulation du capot est constitué par une barrette (52) élastique montée dans un tube (53) fixé sur le chariot (26).Clasp according to claim 4, characterized in that the axis of articulation of the cover is constituted by a strip (52) elastic mounted in a tube (53) fixed on the carriage (26). Fermoir selon la revendication 6, caractérisé par le fait que la plaquette (27) est solidaire ou venue d'une pièce avec le second élément (12).Clasp according to claim 6, characterized in that the plate (27) is integral or integral with the second element (12). Fermoir selon la revendication 6, caractérisé par le fait que la plaquette (27c) est montée sur le second élément (12) au moyen d'organes de montage (80).Clasp according to claim 6, characterized in that the plate (27c) is mounted on the second element (12) by means of mounting members (80). Fermoir selon la revendication 10, caractérisé par le fait que les organes de montage (80) sont du type articulé et comportent un étrier (81) coopérant avec une barrette élastique (82).Clasp according to claim 10, characterized in that the mounting members (80) are of the articulated type and comprise a yoke (81) cooperating with an elastic bar (82). Fermoir selon l'une des revendications précédentes, caractérisé par le fait que le premier élément est constitué par un élément de base (11) et le second élément est formé par au moins un élément dépliant (12).Clasp according to one of the preceding claims, characterized in that the first element is constituted by a base element (11) and the second element is formed by at least one folding element (12). Fermoir selon la revendication 2, caractérisé par le fait que l'encoche (42) déterminant la position allongée est conformée de façon que le chariot (26) est librement déplacé vers la position raccourcie lorsque le premier et le second élément (11,12) se trouvent dans une position déployée.Clasp according to claim 2, characterized in that the notch (42) defining the elongated position is shaped so that the carriage (26) is freely moved to the shortened position when the first and the second element (11, 12) are in an extended position. Fermoir selon l'une des revendications précédentes, caractérisé en ce qu'il comprend un mécanisme de retenue (65) du second élément (12) sur le premier élément (11), ce mécanisme comportant un bouton (66) monté sur l'un (12) des éléments et destiné à être introduit à friction dans un alésage (69) prévu dans l'autre élément (11).Clasp according to one of the preceding claims, characterized in that it comprises a retaining mechanism (65) of the second element (12) on the first element (11), this mechanism comprising a knob (66) mounted on one (12) elements and intended to be introduced frictionally into a bore (69) provided in the other element (11).
EP20070023826 2007-01-10 2007-12-10 Clasp with extensible loop for bracelet Not-in-force EP1943917B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH192007 2007-01-10

Publications (3)

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EP1943917A2 true EP1943917A2 (en) 2008-07-16
EP1943917A3 EP1943917A3 (en) 2012-08-01
EP1943917B1 EP1943917B1 (en) 2013-04-17

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EP (1) EP1943917B1 (en)
PT (1) PT1943917E (en)

Cited By (8)

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Publication number Priority date Publication date Assignee Title
WO2011051768A1 (en) 2009-10-26 2011-05-05 Thi Technologies Horlogère Industrielle S.A. Extensible clasp for a bracelet, in particular a watchstrap
WO2012095686A1 (en) 2011-01-13 2012-07-19 Thi Technologies Horlogeres Industrielles S.A. Deployment clasp for a strap, in particular a watch strap
CH705149A1 (en) * 2011-06-30 2012-12-31 Thi Technologies Horlogeres Ind S A extensible clasp for a bracelet including a watch.
EP2997847A1 (en) * 2014-09-19 2016-03-23 Omega SA Clasp for a bracelet or belt
EP3085265A1 (en) * 2015-04-23 2016-10-26 Omega SA Clasp for bracelet
EP3170420A1 (en) * 2015-11-20 2017-05-24 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
FR3093897A1 (en) 2019-03-20 2020-09-25 Michel Gigoux Folding clasp with rigid parallel spars
FR3094873A1 (en) 2019-04-09 2020-10-16 Michel Gigoux mini folding clasp with rigid spars

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Publication number Priority date Publication date Assignee Title
US5927577A (en) * 1997-05-16 1999-07-27 E. Gluck Corporation Foldover buckle extender
JPH11206426A (en) * 1998-01-07 1999-08-03 Masaaki Hidaka Double-folding middle fixtures
EP1378185A1 (en) * 2001-03-19 2004-01-07 Citizen Watch Co. Ltd. Length adjustment device of band-shaped ornament

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US5927577A (en) * 1997-05-16 1999-07-27 E. Gluck Corporation Foldover buckle extender
JPH11206426A (en) * 1998-01-07 1999-08-03 Masaaki Hidaka Double-folding middle fixtures
EP1378185A1 (en) * 2001-03-19 2004-01-07 Citizen Watch Co. Ltd. Length adjustment device of band-shaped ornament

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9149093B2 (en) 2009-10-26 2015-10-06 Thi Technologies Horlogere Industrielle S.A. Extensible clasp for a bracelet, in particular a watchstrap
WO2011051768A1 (en) 2009-10-26 2011-05-05 Thi Technologies Horlogère Industrielle S.A. Extensible clasp for a bracelet, in particular a watchstrap
WO2012095686A1 (en) 2011-01-13 2012-07-19 Thi Technologies Horlogeres Industrielles S.A. Deployment clasp for a strap, in particular a watch strap
CN103732095B (en) * 2011-06-30 2016-04-27 Thi手表工业技术股份有限公司 Be used in particular for the deployable hasp of the wrist strap of wrist-watch
CH705149A1 (en) * 2011-06-30 2012-12-31 Thi Technologies Horlogeres Ind S A extensible clasp for a bracelet including a watch.
WO2013001337A1 (en) 2011-06-30 2013-01-03 Thi Technologies Horlogeres Industrielles S.A. Extendable clasp for a bracelet in particular for a watch
CN103732095A (en) * 2011-06-30 2014-04-16 Thi手表工业技术股份有限公司 Extendable clasp for a bracelet in particular for a watch
EP2997847A1 (en) * 2014-09-19 2016-03-23 Omega SA Clasp for a bracelet or belt
US9591899B2 (en) 2014-09-19 2017-03-14 Omega S.A. Clasp for a bracelet or belt
EP3085265A1 (en) * 2015-04-23 2016-10-26 Omega SA Clasp for bracelet
CN106063620A (en) * 2015-04-23 2016-11-02 奥米加股份有限公司 Chain clasp
US10278460B2 (en) 2015-04-23 2019-05-07 Omega Sa Bracelet clasp
EP3170420A1 (en) * 2015-11-20 2017-05-24 Dexel S.A. Bracelet clasp comprising a device for adjusting the length of the bracelet
FR3093897A1 (en) 2019-03-20 2020-09-25 Michel Gigoux Folding clasp with rigid parallel spars
FR3094873A1 (en) 2019-04-09 2020-10-16 Michel Gigoux mini folding clasp with rigid spars

Also Published As

Publication number Publication date
EP1943917B1 (en) 2013-04-17
EP1943917A3 (en) 2012-08-01
PT1943917E (en) 2013-07-15

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