EP2476334B1 - Clasp - Google Patents

Clasp Download PDF

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Publication number
EP2476334B1
EP2476334B1 EP12150983.0A EP12150983A EP2476334B1 EP 2476334 B1 EP2476334 B1 EP 2476334B1 EP 12150983 A EP12150983 A EP 12150983A EP 2476334 B1 EP2476334 B1 EP 2476334B1
Authority
EP
European Patent Office
Prior art keywords
locking
comb
locking members
control bar
translation
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
EP12150983.0A
Other languages
German (de)
French (fr)
Other versions
EP2476334A1 (en
Inventor
Jean-Sébastien Lamour
Lionel Mottet
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2476334A1 publication Critical patent/EP2476334A1/en
Application granted granted Critical
Publication of EP2476334B1 publication Critical patent/EP2476334B1/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
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2052—Fasteners provided with at least one push-button acting parallel to the main plane of the fastener and perpendicularly to the direction of the fastening
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/26—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings
    • A44B11/266—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings with at least one push-button acting parallel to the main plane of the buckle and perpendicularly to the direction of the fastening action
    • 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
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2076—Fasteners for straps, chains or the like for open straps, chains or the like with the two ends of the strap or chain abutting each other or sliding in the main plane or a plane parallel to the main plane of these two ends
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
    • E05B53/006—Operation or control of locks by mechanical transmissions, e.g. from a distance of ball-train type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/12—Locks or fastenings with special structural characteristics with means carried by the bolt for interlocking with the keeper
    • E05B63/121—Locks or fastenings with special structural characteristics with means carried by the bolt for interlocking with the keeper using balls or the like cooperating with notches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other

Definitions

  • the present invention relates to the technical field of closure devices or clasps used in particular but not exclusively in the field of jewelery or leather goods.
  • the invention relates to the field of jewelery and more particularly to clasps used to ensure the loop closure of a necklace, a jewel bracelet or a watch bracelet DE 3319046 discloses an example of a clasp for bracelets.
  • a clasp composed of aligned gussets and secured alternately a first end of the bracelet and the second end of the bracelet.
  • the gussets are then intended to receive a locking rod which passes through them all so as to secure and define an axis of rotation.
  • Such a clasp actually has a degree of articulation to maintain the bracelet comfort, but has the disadvantage of being particularly difficult to close insofar as it is appropriate that the gussets are perfectly aligned when the rod is engaged. locking.
  • the movement of the locking means, in the control direction ⁇ "parallel to the translation direction ⁇ of the locking members to pass locking and unlocking positions, allows for a clasp which has a small footprint.
  • fact that the control direction is parallel to the direction of translation and / or rotation of the locking members provides a certain irreversibility to the lock obtained allowing the clasp according to the invention to be reliable.
  • the locking members are independent of the locking means in that they are separate parts and do not form a rigid assembly.
  • the locking members are released and / or are not locked in the extended position but can move between their extended position and their retracted position.
  • the locking means are in the locking position, the locking members are pushed back or blocked in the extended position and can not move towards their retracted position.
  • the locking means are adapted to, when they pass from the unlocking position to the locking position, if necessary push back and thus move the locking members from their retracted position to their extended position.
  • the locking means do not cause the locking members to their retracted position but releases them so that the locking members can pass freely or under the effect of a constraint external clasp, their extension position at their retracted position.
  • the locking means in the locking position, push the locking members in the extended position and prohibit a movement of the locking members in the opposite direction and, in the unlocked position, the locking means release the locking members which then have the ability to move from their extended position to their retracted position.
  • the movement of the locking means can be a simple rotational movement.
  • the locking means may, for example, comprise as control means a control rod which is movable about its axis ⁇ "and which carries, as a means of transmission or return, one or more cams intended to come to push the locking members in extended position, each cam path may then have a shape of helical ramp portion axis ⁇ ".
  • the locking means comprise control means which are movable in translation in the direction ⁇ "parallel to the direction ⁇ between the locking position and the position of unlocking.
  • the control means comprise at least one cam path cooperating with transmission means interposed between each cam path and the locking members.
  • the cam path and the transmission means are adapted to, in the locking position of the control means, push the locking members to the extended position and, in the unlocked position, allow the free translation of the locking members.
  • the control means may be made in any suitable manner and, for example, comprise a series of balls aligned along the axis ⁇ ".
  • the aligned control balls define, by the space between two consecutive balls, the unlocking position in which the transmission means can move and, through the top of the balls, the locking position pushing the transmission means to maintain the locking members in the extended position.
  • control means comprise a control rod which is movable in translation, in the direction ⁇ "parallel to the direction ⁇ , between the locking position and the unlocking position.
  • a control rod which is movable in translation, in the direction ⁇ "parallel to the direction ⁇ , between the locking position and the unlocking position.
  • the cam path and the transmission means are adapted to lock the control rod in order to push back the locking members in the extended position and in the unlocking position allow the translation of the locking members
  • the movement of the locking bar parallel to that of the locking members makes it possible to produce a locking mechanism of small dimensions.
  • the locking members comprise locking balls.
  • the use of locking balls as locking members makes it possible to reduce friction in order to facilitate locking and unlocking movements.
  • the use of locking balls makes it possible to obtain a reversible attachment of the locking comb on the gripping comb which is particularly resistant to traction.
  • the interposition of the transmission means between the control bar and the locking balls confer an almost irreversible character to the control movement.
  • the use of balls as locking members allows, during the movement locking, an auto-alignment when the locking balls are not perfectly aligned with their home slot of the snap comb.
  • the locking members could also be made in the form of cylindrical bars. Such bars may then have a right locking end or a hemispherical locking end.
  • the combs and the locking members and their housings are adapted to allow rotation of the half-bodies relative to one another according to the axis ⁇ when the two combs are hooked to each other.
  • a first comb comprises n teeth and the second comb, intended to cooperate with the first, comprises n + 1 teeth, the n teeth of the first comb being intended to fit between the n + 1 teeth of the second comb.
  • the locking comb comprises at least one locking tooth which comprises two locking members movable in opposite directions and intended to engage in housings of two separate attachment teeth.
  • the locking comb comprises at least locking teeth which each comprise at least one locking member, the locking members being movable in opposite directions and intended for s' engage in two housings of the same attachment tooth.
  • each receiving housing of a locking ball has a spherical cap shape. Such a shape makes it possible to confer a great flexibility of articulation of the pivot connection defined by the locking balls engaged in their respective receiving housing.
  • the transmission means may be made in any suitable manner such as, for example, in the form of an oblong bar whose rounded end is intended to come into contact with the locking member (s) and of which the another end is intended to come into contact with the cam path.
  • the transmission means interposed between each cam path and the corresponding locking balls comprise at least two balls aligned along an axis perpendicular to the axis ⁇ . The implementation of such transmission beads reduces friction and increase the opening flexibility of the clasp.
  • At least one cam path comprises at least one elastic blade, one end of which is connected to the control bar and the other end is free.
  • the elastic blade defines by its edge opposite to the control bar at least part of the cam path.
  • the free end of the blade forms, in relation to an edge opposite the control bar, an elastic bowl intended in cooperation with the transmission means to immobilize the control bar in the locking position.
  • the immobilization of the control bar can be provided by means of a ball ratchet system or spring blade whose end is engaged in a housing arranged in the locking comb.
  • the immobilization of the control bar could also be achieved by means of a locking system movable in translation perpendicular to the direction of translation of the control bar.
  • At least one cam path comprises at least one elastic blade, one end of which is connected to the control bar.
  • the elastic blade defines by its edge opposite to the control bar at least part of the cam path.
  • the free part of the blade is adapted for unlocking the control bar to exert on the transmission means a thrust, much lower than that exerted in the locking position, so as to push the locking balls in the extended position while allowing their translation to the retracted position.
  • This other characteristic of the invention allows the balls to remain in the extended position when the control bar is in the unlocking position while retaining the possibility of retreating the balls of lock under low stress.
  • This automatic attachment facilitates the establishment of the clasp and allows a user to release it to ensure the operation of the control bar to place it in the locking position. Similarly, this feature avoids a sudden opening of the clasp during the passage of the operating bar from its locking position to its unlocked position.
  • the clasp comprises more than two half-bodies and at least one half-body comprises a hooking comb and a locking comb.
  • each half-body comprising both a gripping comb and a locking comb forms a removable link that can be removed to adjust the size of the jewel or bracelet comprising the clasp according to the invention.
  • At least one of the half-bodies comprises means for fixing a jewel body, a watch or a watch band.
  • the fixing means may be made anyway appropriate to allow the integration of the clasp to any type of jewelry.
  • the fastening means may also be adapted to allow the clasp to be adapted to leather goods.
  • the clasp can also form, in itself, a bracelet, a necklace or a watchband formed by the assembly of half-bodies hung one after the other.
  • a clasp according to the invention comprises at least two and, according to the example illustrated in FIG. figure 1 , exactly two half-bodies 1 and 2 for cooperating with each other in a closed position F as illustrated in FIG. figure 2 , the clasp being represented in the open position O at the figure 1 .
  • a first half-body 1 comprises a locking comb 3 intended to fit partly into a gripping comb 4 fitted to the second half-body 2.
  • the locking comb 3 comprises four locking teeth 5 intended to fit between the six gripping teeth 6 of the gripping comb 4.
  • each locking tooth 5 comprises, as locking member, two locking balls 10 and 11 which are trapped in a bore 12 formed in the locking tooth 5 in a direction ⁇ perpendicular to the direction ⁇ extension of the locking tooth 5.
  • the bore 12 opens at two opposite faces of the locking tooth 5 by circular openings 13 which have a diameter smaller than that of the locking balls 10 and 11.
  • the bore 12 is dimensioned by way that the locking balls 10 and 11 can move therein in translation direction ⁇ between a retraction position R, shown figures 1 and 3 , and an extended position E illustrated at figures 2 and 4 . In the extended position E and taking into account the size of the openings 13, a portion of each locking ball 10 and 11 protrudes from the corresponding face of the locking tooth 5.
  • the locking comb 3 is provided with locking means which comprise a control bar 20 disposed inside a chamber 21 arranged in the first half-body 1.
  • the control rod 20 is movable, in translation along an axis ⁇ " parallel to the axis ⁇ , between an unlocking position D illustrated in FIGS. figures 1 and 3 and a locking position V shown in figures 2 and 4 .
  • the control rod 20 extends parallel to the axis ⁇ and has, on a face facing the locking comb 3 and for each locking tooth 5, a cam path 22 which has, according to the illustrated example, a general shape of "S" flattened.
  • the locking means also comprise transmission means 23 interposed between each cam path 22 and the corresponding locking balls 10 and 11 .
  • the transmission means comprise two transmission balls 24 and 25 arranged in a bore 26 which is arranged in the locking tooth 5 and which extends along the axis ⁇ .
  • the internal diameter of the bore 26 corresponds to the play near the diameter of the transmission balls 24 and 25 so that they are movable in translation axis ⁇ .
  • Each cam path 22 is then shaped so that in the unlocking position D the transmission balls 24 and 25 can move towards the control bar 20 and thus allow the locking balls 10 and 11 to return to the retracted position R. the interior of the locking tooth 5.
  • Each cam path 22 is further shaped to, in the locking position V, pushing the transmission balls 24 and 25 towards the locking balls 10 and 11 so as to maintain them in extended position E.
  • each housing has the shape of a spherical cap intended to cooperate with the portion of each locking ball projecting from the corresponding face of the locking tooth, when said ball is in the position of extension.
  • the clasp according to the invention and its locking system, thus formed, operate in the following manner.
  • the locking comb 3 can be freely engaged in the attachment comb 4 according to, for example, a translation parallel to the axis ⁇ of each locking tooth 5, in the extent to which the locking balls 10 and 11 can each go inside the corresponding locking tooth 5 .
  • each cam path 22 pushes the transmission balls 24 and 25 corresponding to the locking balls 10 and 11 to bring them into position. extension position E in which they engage in the housing 30.
  • the axis ⁇ 'alignment of the housing 30 coincides with the axis ⁇ of translation of the locking balls 10 and 11.
  • the locking teeth 5 and attachment 6 may be shaped so as to allow axis rotation ⁇ of the first half-body 1 relative to the second half-body 2.
  • the control bar 20 is dimensioned so that, in the locking position V, it is entirely within the first half-body 1.
  • the first half -body 1 may comprise a lever 31 for pushing the control bar 20 from its locking position V to its unlocking position D.
  • the half-bodies 1 and 2 comprise, in contrast to the combs 3 and 4, fastening means 32 for a jewelry body, a watch or a watch band.
  • These fixing means can be made in any appropriate manner known to those skilled in the art and therefore do not require further description.
  • At least one cam path 22 comprises, as shown in FIG. figure 5 , an elastic blade 33 which is connected at one end to the control bar 20.
  • the elastic blade 33 then defines by its edge opposite the control bar the corresponding cam path 22 .
  • the free end 34 of the blade 33 defines with a facing edge 35 of the control bar 20 a cup 36 which engages force on the transmission ball 25 in contact with the cam path when the bar control is in the locking position V.
  • the locking position V of the control rod 20 is stable.
  • the elasticity of the blade 33 is sufficient for the force exerted by the lever 31 to initiate the translation of the control bar 20 by disengaging the bowl 36 from the adjacent transmission ball 25 through the deformation of the blade 33.
  • the figure 6 shows another variant embodiment in which at least one cam path 22 comprises at least one elastic blade 40 , one end of which is connected to the control bar 20.
  • This elastic blade 40 defines, by its edge opposite the control bar, at least a portion of the cam path 22 corresponding to the active region in unlocking position V of the control bar 20.
  • the free portion of the blade 40 is adapted to, in the unlocking position of the control bar 20, to exert on the transmission balls 24 and 25 a small thrust intended to maintain the locking balls 10 and 11 in extended position E while allowing their translation to their retracted position R.
  • the locking balls can move from their position of extension E at their position of retraction R under the effect of a low stress resulting, for example, from a disengagement movement or nesting of the combs made of a ule by a user.
  • cam tracks may comprise one or both elastic strips each intended to act either in the locking position V or in the unlocking position D of the control bar 20.
  • the locking combs 3 and attachment 4 comprise more than two teeth.
  • the locking comb 3 can, as shown in FIG. figure 7 , comprising only one locking tooth 5 intended to cooperate with two gripping teeth 6.
  • the locking tooth 5 then comprises two locking balls 10 and 11 as described above.
  • the attachment comb 4 may comprise only one attachment tooth 6 intended to cooperate with two locking teeth 5 as shown in FIG. figure 8 .
  • each locking tooth 5 comprises only one locking ball 10.
  • the housings 30 are formed by a bore 43 passing through the attachment tooth 6.
  • the figure 9 illustrates another embodiment of a clasp according to the invention comprising three half-bodies 1, 2,2 ' which are each provided, on the one hand, with a locking comb 3 and, on the other hand, with a comb attachment 4.
  • a clasp may for example constitute an adjusting portion of the length of a bracelet. It can also be made a whole bracelet from such a clasp.
  • the figure 10 illustrates another embodiment of a clasp according to the invention for which the locking means comprise, as control means, control balls 45 movable in translation parallel to the axis ⁇ .
  • the control balls have a diameter adapted so that the space separating them defines the unlocking position D and that the top of a control ball 45 pushes the transmission balls to define the locking position V in which the locking balls 10 and 11 are in the extended position E.
  • the control balls 45 are locked in the locking position by a spring 46 and placed in the unlocking position by means of a pusher 47.
  • FIG 11 illustrates yet another embodiment of a clasp according to the invention for which the locking means comprise, as control means, a control rod 47 movable in rotation axis ⁇ ".
  • control 47 then comprises cam paths 48 extending radially with respect to said control bar 47.
  • the control bar 47 is operated rotation by means of a button 49 extending outside the first half-body 1

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  • Structural Engineering (AREA)
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Description

La présente invention concerne le domaine technique des dispositifs de fermeture ou fermoirs utilisés notamment mais non exclusivement dans le domaine de la bijouterie ou de la maroquinerie. Dans une application préférée mais non exclusive l'invention se rapporte au domaine de la bijouterie et plus particulièrement aux fermoirs utilisés pour assurer la fermeture en boucle d'un collier, d'un bracelet bijou ou encore d'un bracelet de montre DE 3319046 divulgue un exemple de fermoir pour bracelets.The present invention relates to the technical field of closure devices or clasps used in particular but not exclusively in the field of jewelery or leather goods. In a preferred but non-exclusive application the invention relates to the field of jewelery and more particularly to clasps used to ensure the loop closure of a necklace, a jewel bracelet or a watch bracelet DE 3319046 discloses an example of a clasp for bracelets.

Dans le domaine de la bijouterie, il est connu, pour assurer la fermeture d'un bracelet large, de mettre en oeuvre un fermoir rigide comprenant une partie femelle formant un caisson destiné à recevoir une partie mâle complémentaire comprenant une patte élastique destinée à venir encastrer, dans une fenêtre de la partie femelle, un doigt de verrouillage. Un tel système permet effectivement de fermer en boucle le bracelet qu'il équipe mais présente les inconvénients d'être rigide et de nécessiter un système de sécurité en cas de désengagement intempestif du doigt de verrouillage de la fenêtre.In the field of jewelery, it is known, to ensure the closure of a wide bracelet, to implement a rigid clasp comprising a female portion forming a box for receiving a complementary male portion comprising an elastic tab intended to fit in a window of the female part, a locking finger. Such a system effectively makes it possible to close loops the bracelet that it equips but has the drawbacks of being rigid and requiring a security system in case of inadvertent disengagement of the locking finger of the window.

Afin de remédier à l'inconfort lié au caractère rigide du fermoir ci-dessus, il a été proposé de mettre en oeuvre un fermoir composé de goussets alignés et solidaires alternativement d'une première extrémité du bracelet et de la deuxième extrémité du bracelet. Les goussets sont alors destinés à recevoir une tige de verrouillage qui les traverse tous de manière à les solidariser et à définir un axe de rotation. Un tel fermoir présente effectivement un degré d'articulation permettant de conserver au bracelet son confort mais présente l'inconvénient d'être particulièrement difficile à fermer dans la mesure où il convient que les goussets soient parfaitement alignés lors de l'engagement de la tige de verrouillage.To remedy the discomfort associated with the rigid nature of the clasp above, it has been proposed to implement a clasp composed of aligned gussets and secured alternately a first end of the bracelet and the second end of the bracelet. The gussets are then intended to receive a locking rod which passes through them all so as to secure and define an axis of rotation. Such a clasp actually has a degree of articulation to maintain the bracelet comfort, but has the disadvantage of being particularly difficult to close insofar as it is appropriate that the gussets are perfectly aligned when the rod is engaged. locking.

Ainsi les fermoirs connus n'offrent pas de solutions pleinement satisfaisantes pour assurer la fermeture d'un bracelet bijou ou d'un bracelet de montre avec un confort et une fiabilité convenable. Il est donc apparu le besoin d'un nouveau fermoir qui soit simple d'utilisation, offre un grand confort pour sa mise en place et sa fermeture ainsi que pendant le port du bijou qu'il contribue à fermer, tout en garantissant une très grande fiabilité supprimant les risques d'ouverture intempestive.Thus the known clasps do not offer fully satisfactory solutions to ensure the closure of a jewel bracelet or a watch strap with comfort and adequate reliability. It therefore appeared the need for a new clasp that is easy to use, offers great comfort for its implementation and closure and during the wearing of the jewel that it helps to close, while ensuring a very large reliability eliminates the risks of untimely opening.

Afin d'atteindre ces objectifs, l'invention concerne un fermoir comprenant au moins deux demi-corps destinés à coopérer ensemble dans une position de fermeture. Selon l'invention, ce fermoir est caractérisé en ce que :

  • un premier demi-corps comprend au moins un peigne de verrouillage,
  • un deuxième demi-corps comprend au moins un peigne d'accrochage,
  • les peignes d'accrochage et de verrouillage sont destinés à s'emboîter, en partie au moins, l'un dans l'autre en position de fermeture des demi-corps,
  • le peigne de verrouillage comprend :
    • au moins deux organes de verrouillage qui sont mobiles en translation, selon une direction Δ, entre une position de rétraction et une position d'extension dans laquelle ils sont chacun destinés à s'engager, en position de fermeture des demi-corps, dans un logement complémentaire aménagé dans le peigne d'accrochage, les logements du peigne d'accrochage étant alignés selon un axe Δ' confondu avec l'axe Δ en position de fermeture des demi-corps,
    • des moyens de verrouillage qui sont mobiles, en partie au moins, en translation et/ou en rotation, selon une direction de commande Δ" parallèle à la direction Δ, entre une position de verrouillage et une position de déverrouillage et qui sont adaptés pour, en position de verrouillage, repousser les organes de verrouillage en position d'extension et, en position de déverrouillage, autoriser la translation des organes de verrouillage.
In order to achieve these objectives, the invention relates to a clasp comprising at least two half-bodies intended to cooperate together in a closed position. According to the invention, this clasp is characterized in that:
  • a first half-body comprises at least one locking comb,
  • a second half-body comprises at least one hooking comb,
  • the hooking and locking combs are intended to fit, at least partly, one into the other in the closed position of the half-bodies,
  • the locking comb includes:
    • at least two locking members which are movable in translation, in a direction Δ, between a retraction position and an extension position in which they are each intended to engage, in the closed position of the half-bodies, in a complementary housing arranged in the hooking comb, the housing of the hooking comb being aligned along an axis Δ 'coinciding with the axis Δ in the closed position of the half-bodies,
    • locking means which are movable, at least in part, in translation and / or in rotation, in a control direction Δ "parallel to the direction Δ, between a locking position and an unlocking position and which are adapted for, in the locking position, push the locking members to the extended position and, in the unlocked position, allow the translation of the locking members.

Le mouvement des moyens de verrouillage, selon la direction de commande Δ" parallèle à la direction de translation Δ des organes de verrouillage pour passer des positions de verrouillage et de déverrouillage, permet de réaliser un fermoir qui présente un faible encombrement. De plus, le fait que la direction de commande soit parallèle à la direction de translation et/ou de rotation des organes de verrouillage confère une certaine irréversibilité au verrouillage obtenu permettant au fermoir, conforme à l'invention, d'être fiable.The movement of the locking means, in the control direction Δ "parallel to the translation direction Δ of the locking members to pass locking and unlocking positions, allows for a clasp which has a small footprint. fact that the control direction is parallel to the direction of translation and / or rotation of the locking members provides a certain irreversibility to the lock obtained allowing the clasp according to the invention to be reliable.

Il doit être noté que selon l'invention les organes de verrouillage sont indépendant des moyens de verrouillage en ce sens que ce sont des pièces distinctes et qui ne forment pas un ensemble rigide. Ainsi, lorsque les moyens des verrouillages sont en position de déverrouillage, les organes de verrouillage sont libérés et/ou ne sont pas bloqués en position d'extension mais peuvent se déplacer entre leur position d'extension et leur position de rétraction. En revanche, lorsque les moyens de verrouillage sont en position de verrouillage les organes de verrouillage sont repoussés ou bloqués en position d'extension et ne peuvent pas se déplacer vers leur position de rétraction.It should be noted that according to the invention the locking members are independent of the locking means in that they are separate parts and do not form a rigid assembly. Thus, when the means of the interlocks are in the unlocking position, the locking members are released and / or are not locked in the extended position but can move between their extended position and their retracted position. On the other hand, when the locking means are in the locking position, the locking members are pushed back or blocked in the extended position and can not move towards their retracted position.

Dit autrement, les moyens de verrouillage sont adaptés pour, lors de leur passage de la position de déverrouillage à la position de verrouillage, le cas échéant repousser et donc déplacer les organes de verrouillage de leur position de rétraction à leur position d'extension. En revanche compte tenu de la liaison de type ponctuelle ou de type appui plan qui existe entre les organes de verrouillage et les moyens de verrouillage lorsque ces derniers sont en position de verrouillage, lors du déplacement des moyens de verrouillage de leur position de verrouillage à leur position de déverrouillage, les moyens de verrouillage n'entrainent pas les organes de verrouillage vers leur position de rétraction mais les libèrent de sorte que les organes de verrouillage peuvent passer, librement ou sous l'effet d'une contrainte extérieure au fermoir, de leur position d'extension à leur position de rétraction.In other words, the locking means are adapted to, when they pass from the unlocking position to the locking position, if necessary push back and thus move the locking members from their retracted position to their extended position. On the other hand, given the point type connection or plane support type that exists between the locking members and the locking means when the latter are in the locking position, when moving the locking means from their locking position to their position. unlocking position, the locking means do not cause the locking members to their retracted position but releases them so that the locking members can pass freely or under the effect of a constraint external clasp, their extension position at their retracted position.

Selon une caractéristique de l'invention, en position de verrouillage, les moyens de verrouillage repoussent les organes de verrouillage en position d'extension et interdisent un mouvement des organes de verrouillage en sens inverse et, en position de déverrouillage, les moyens de verrouillage libèrent les organes de verrouillage qui ont alors la faculté de passer de leur position d'extension à leur position de rétraction.According to a feature of the invention, in the locking position, the locking means push the locking members in the extended position and prohibit a movement of the locking members in the opposite direction and, in the unlocked position, the locking means release the locking members which then have the ability to move from their extended position to their retracted position.

Selon l'invention, le mouvement des moyens de verrouillage peut être un mouvement de rotation simple. À cet effet, les moyens de verrouillage peuvent, par exemple, comprendre en tant que moyen de commande une tige de commande qui mobile autour de son axe Δ" et qui porte, en tant que moyen de transmission ou de renvoi, une ou plusieurs cames destinées à venir repousser les organes de verrouillage en position d'extension. Chaque chemin de came peut alors présenter une forme de portion de rampe hélicoïdale d'axe Δ".According to the invention, the movement of the locking means can be a simple rotational movement. For this purpose, the locking means may, for example, comprise as control means a control rod which is movable about its axis Δ "and which carries, as a means of transmission or return, one or more cams intended to come to push the locking members in extended position, each cam path may then have a shape of helical ramp portion axis Δ ".

Selon une forme de réalisation de l'invention, les moyens de verrouillage comprennent des moyens de commande qui sont mobiles en translation selon la direction Δ" parallèle à la direction Δ entre la position de verrouillage et la position de déverrouillage. Les moyens de commande comprennent au moins un chemin de came coopérant avec des moyens de transmission interposés entre chaque chemin de came et les organes de verrouillage. Le chemin de came et les moyens de transmission sont adaptés pour, en position de verrouillage des moyens de commande, repousser les organes de verrouillage en position d'extension et, en position de déverrouillage, autoriser la libre translation des organes de verrouillage.According to one embodiment of the invention, the locking means comprise control means which are movable in translation in the direction Δ "parallel to the direction Δ between the locking position and the position of unlocking. The control means comprise at least one cam path cooperating with transmission means interposed between each cam path and the locking members. The cam path and the transmission means are adapted to, in the locking position of the control means, push the locking members to the extended position and, in the unlocked position, allow the free translation of the locking members.

Les moyens de commande peuvent être réalisés de toute façon appropriée et, par exemple, comprendre une série de billes alignées selon l'axe Δ". Les billes de commandes alignées définissent par l'espace entre deux billes consécutives la position de déverrouillage dans laquelle les moyens de transmission peuvent se déplacer et, par le sommet des billes, la position de verrouillage venant repousser les moyens de transmission pour maintenir les organes de verrouillage en position d'extension.The control means may be made in any suitable manner and, for example, comprise a series of balls aligned along the axis Δ ".The aligned control balls define, by the space between two consecutive balls, the unlocking position in which the transmission means can move and, through the top of the balls, the locking position pushing the transmission means to maintain the locking members in the extended position.

Selon une variante de l'invention, les moyens de commande comprennent une barre de commande qui est mobile en translation, selon la direction Δ" parallèle à la direction Δ, entre la position de verrouillage et la position de déverrouillage. La barre de commande est pourvue d'au moins un chemin de came coopérant avec des moyens de transmission interposés entre chaque chemin de came et les billes de verrouillage. Le chemin de came et les moyens de transmission sont adaptés pour en position de verrouillage de la barre de commande repousser les organes de verrouillage en position d'extension et en position de déverrouillage autoriser la translation des organes de verrouillage. Le mouvement de la barre de verrouillage parallèle à celui des organes de verrouillage permet de réaliser un mécanisme de verrouillage de petites dimensions.According to a variant of the invention, the control means comprise a control rod which is movable in translation, in the direction Δ "parallel to the direction Δ, between the locking position and the unlocking position. provided with at least one cam track cooperating with transmission means interposed between each cam path and the locking balls The cam path and the transmission means are adapted to lock the control rod in order to push back the locking members in the extended position and in the unlocking position allow the translation of the locking members The movement of the locking bar parallel to that of the locking members makes it possible to produce a locking mechanism of small dimensions.

Selon une caractéristique de l'invention, les organes de verrouillage comprennent des billes de verrouillage. La mise en oeuvre, en tant qu'organes de verrouillage, de billes de verrouillage permet de réduire les frottements afin de faciliter les mouvements de verrouillage et déverrouillage. De plus, la mise en oeuvre de billes de verrouillage permet d'obtenir une fixation réversible du peigne de verrouillage sur le peigne d'accrochage particulièrement résistante à la traction. En effet, l'interposition des moyens de transmission entre la barre de commande et les billes de verrouillage confèrent un caractère quasi irréversible au mouvement de commande. Par ailleurs, la mise en oeuvre de billes en tant qu'organes de verrouillage permet, lors du mouvement de verrouillage, un auto alignement lorsque les billes de verrouillage ne sont pas parfaitement alignées avec leur logement d'accueil du peigne d'accrochage. Bien entendu, selon l'invention les organes de verrouillage pourraient également être réalisés sous la forme de barreaux cylindriques. De tels barreaux peuvent alors présenter une extrémité de verrouillage droite ou encore une extrémité de verrouillage hémisphérique.According to one characteristic of the invention, the locking members comprise locking balls. The use of locking balls as locking members makes it possible to reduce friction in order to facilitate locking and unlocking movements. In addition, the use of locking balls makes it possible to obtain a reversible attachment of the locking comb on the gripping comb which is particularly resistant to traction. Indeed, the interposition of the transmission means between the control bar and the locking balls confer an almost irreversible character to the control movement. Moreover, the use of balls as locking members allows, during the movement locking, an auto-alignment when the locking balls are not perfectly aligned with their home slot of the snap comb. Of course, according to the invention the locking members could also be made in the form of cylindrical bars. Such bars may then have a right locking end or a hemispherical locking end.

Selon une caractéristique de l'invention visant à augmenter le confort du fermoir en position de fermeture, les peignes et les organes de verrouillage ainsi que leurs logements sont adaptés pour permettre une rotation des demi-corps l'un par rapport à l'autre selon l'axe Δ lorsque les deux peignes sont accrochés l'un à l'autre.According to a feature of the invention for increasing the comfort of the clasp in the closed position, the combs and the locking members and their housings are adapted to allow rotation of the half-bodies relative to one another according to the axis Δ when the two combs are hooked to each other.

Selon une forme de réalisation, un premier peigne comprend n dents et le deuxième peigne, destiné à coopérer avec le premier, comprend n+1 dents, les n dents du premier peigne étant destinées à s'emboiter entre les n+1 dents du deuxième peigne.According to one embodiment, a first comb comprises n teeth and the second comb, intended to cooperate with the first, comprises n + 1 teeth, the n teeth of the first comb being intended to fit between the n + 1 teeth of the second comb.

Selon une première variante de cette forme de réalisation, le peigne de verrouillage comprend au moins une dent de verrouillage qui comprend deux organes de verrouillage mobiles selon des sens opposés et destinés à s'engager dans des logements de deux dents d'accrochage distinctes.According to a first variant of this embodiment, the locking comb comprises at least one locking tooth which comprises two locking members movable in opposite directions and intended to engage in housings of two separate attachment teeth.

Selon une autre variante de cette forme de réalisation compatible avec la première variante, le peigne de verrouillage comprend au moins dents de verrouillage qui comprennent chacune au moins un organe de verrouillage, les organes de verrouillage étant mobiles selon des sens opposés et destinés à s'engager dans deux logements d'une même dent d'accrochage.According to another variant of this embodiment compatible with the first variant, the locking comb comprises at least locking teeth which each comprise at least one locking member, the locking members being movable in opposite directions and intended for s' engage in two housings of the same attachment tooth.

Selon une caractéristique de l'invention, chaque logement de réception d'une bille de verrouillage possède une forme de calotte sphérique. Une telle forme permet de conférer une grande souplesse d'articulation de la liaison pivot définit par les billes de verrouillage engagées dans leur logement de réception respectifs.According to a characteristic of the invention, each receiving housing of a locking ball has a spherical cap shape. Such a shape makes it possible to confer a great flexibility of articulation of the pivot connection defined by the locking balls engaged in their respective receiving housing.

Selon l'invention les moyens de transmission peuvent être réalisés de toute façon appropriée telle que, par exemple, sous la forme d'un barreau oblong dont une extrémité arrondie est destinée à venir en contact avec le ou les organes de verrouillage et dont l'autre extrémité est destinée à venir en contact avec le chemin de came. Selon une forme de réalisation de l'invention, les moyens de transmission interposés entre chaque chemin de came et les billes de verrouillage correspondantes comprennent au moins deux billes alignées selon un axe perpendiculaire à l'axe Δ. La mise en oeuvre de telles billes de transmission permet de réduire les frottements et d'augmenter la souplesse d'ouverture du fermoir.According to the invention, the transmission means may be made in any suitable manner such as, for example, in the form of an oblong bar whose rounded end is intended to come into contact with the locking member (s) and of which the another end is intended to come into contact with the cam path. according to an embodiment of the invention, the transmission means interposed between each cam path and the corresponding locking balls comprise at least two balls aligned along an axis perpendicular to the axis Δ. The implementation of such transmission beads reduces friction and increase the opening flexibility of the clasp.

Selon une caractéristique de l'invention, au moins un chemin de came comprend au moins une lame élastique dont une extrémité est liée à la barre de commande et l'autre extrémité est libre. La lame élastique définit par sa tranche opposée à la barre de commande une partie au moins du chemin de came. L'extrémité libre de la lame forme en relation avec un bord en regard de la barre de commande une cuvette élastique destinée en coopération avec les moyens de transmission à immobiliser la barre de commande en position de verrouillage. Cette caractéristique permet d'augmenter la stabilité de la position de verrouillage de la barre de commande et réduit les risques d'ouverture intempestive. Selon l'invention, l'immobilisation de la barre de commande peut être réalisée de toute autre manière et, par exemple, mettre en oeuvre des moyens d'immobilisation distincts du ou des chemins de came. Ainsi, l'immobilisation de la barre de commande peut être assurée au moyen d'un système de cliquet à bille ou d'une lame ressort dont l'extrémité vient s'engager dans un logement aménagé dans le peigne de verrouillage. L'immobilisation de la barre de commande pourrait également être réalisée au moyen d'un système de verrou mobile en translation perpendiculairement à la direction de translation de la barre de commande.According to a characteristic of the invention, at least one cam path comprises at least one elastic blade, one end of which is connected to the control bar and the other end is free. The elastic blade defines by its edge opposite to the control bar at least part of the cam path. The free end of the blade forms, in relation to an edge opposite the control bar, an elastic bowl intended in cooperation with the transmission means to immobilize the control bar in the locking position. This feature increases the stability of the locking position of the control bar and reduces the risk of inadvertent opening. According to the invention, the immobilization of the control bar can be carried out in any other way and, for example, implement separate immobilization means of the one or more cam paths. Thus, the immobilization of the control bar can be provided by means of a ball ratchet system or spring blade whose end is engaged in a housing arranged in the locking comb. The immobilization of the control bar could also be achieved by means of a locking system movable in translation perpendicular to the direction of translation of the control bar.

Selon une autre caractéristique de l'invention, au moins un chemin de came comprend au moins une lame élastique dont une extrémité est liée à la barre de commande. La lame élastique définit par sa tranche opposée à la barre de commande une partie au moins du chemin de came. La partie libre de la lame est adaptée pour en position de déverrouillage de la barre de commande exercer sur les moyens de transmission une poussée, très inférieure à celle exercée en position de verrouillage, de manière à repousser les billes de verrouillage en position d'extension tout en autorisant leur translation vers la position de rétraction. Cette autre caractéristique de l'invention permet que les billes restent en position d'extension lorsque la barre de commande est en position de déverrouillage tout en conservant une possibilité de recul des billes de verrouillage sous une faible contrainte. Ainsi, il est possible de venir présenter le peigne de verrouillage dans le peigne d'accrochage et d'obtenir une liaison automatique lorsque les billes de verrouillage arrivent en regard de leurs logements complémentaires. Cet accrochage automatique facilite la mise en place du fermoir et permet à un utilisateur de le lâcher pour assurer la manoeuvre de la barre de commande en vue de la placer en position de verrouillage. De même, cette caractéristique évite une ouverture brutale du fermoir lors du passage de la barre de manoeuvre de sa position de verrouillage à sa position de déverrouillage.According to another characteristic of the invention, at least one cam path comprises at least one elastic blade, one end of which is connected to the control bar. The elastic blade defines by its edge opposite to the control bar at least part of the cam path. The free part of the blade is adapted for unlocking the control bar to exert on the transmission means a thrust, much lower than that exerted in the locking position, so as to push the locking balls in the extended position while allowing their translation to the retracted position. This other characteristic of the invention allows the balls to remain in the extended position when the control bar is in the unlocking position while retaining the possibility of retreating the balls of lock under low stress. Thus, it is possible to come to present the locking comb in the gripping comb and to obtain an automatic connection when the locking balls arrive opposite their complementary housing. This automatic attachment facilitates the establishment of the clasp and allows a user to release it to ensure the operation of the control bar to place it in the locking position. Similarly, this feature avoids a sudden opening of the clasp during the passage of the operating bar from its locking position to its unlocked position.

Selon une forme de réalisation, le fermoir comprend plus de deux demi-corps et l'un au moins dés demi-corps comprend un peigne d'accrochage et un peigne de verrouillage. Ainsi, chaque demi-corps comprenant à la fois un peigne d'accrochage et un peigne de verrouillage forme un maillon amovible qu'il est possible de retirer pour ajuster la taille du bijou ou du bracelet comprenant le fermoir selon l'invention.According to one embodiment, the clasp comprises more than two half-bodies and at least one half-body comprises a hooking comb and a locking comb. Thus, each half-body comprising both a gripping comb and a locking comb forms a removable link that can be removed to adjust the size of the jewel or bracelet comprising the clasp according to the invention.

Selon une caractéristique de l'invention, l'un au moins des demi-corps comprend des moyens de fixation d'un corps de bijou, de montre ou de bracelet de montre. Les moyens de fixation peuvent être réalisés de toute façon approprier pour permettre l'intégration du fermoir à tout type de bijou. De même, les moyens de fixation peuvent également être adaptés pour permettre l'adaptation du fermoir sur des éléments de maroquinerie.According to one characteristic of the invention, at least one of the half-bodies comprises means for fixing a jewel body, a watch or a watch band. The fixing means may be made anyway appropriate to allow the integration of the clasp to any type of jewelry. Similarly, the fastening means may also be adapted to allow the clasp to be adapted to leather goods.

Selon l'invention, le fermoir peut également former, en lui-même, un bracelet, un collier ou un bracelet de montre formé par l'assemblage de demi-corps accrochés les uns à la suite des autres.According to the invention, the clasp can also form, in itself, a bracelet, a necklace or a watchband formed by the assembly of half-bodies hung one after the other.

Bien entendu, les différentes caractéristiques, variantes et formes de réalisation de l'invention peuvent être associées les unes avec les autres selon diverses combinaisons dans la mesure où elles ne sont pas incompatibles ou exclusives les unes des autres.Of course, the various features, variations and embodiments of the invention may be associated with each other in various combinations to the extent that they are not incompatible or exclusive of each other.

Par ailleurs, diverses autres caractéristiques de l'invention ressortent de la description annexée effectuée en référence aux dessins qui illustrent des formes non limitatives de réalisation d'un dispositif de fermeture ou fermoir conforme à l'invention.

  • La figure 1 est une coupe longitudinale montrant de manière schématique un fermoir selon l'invention avec ses deux demi-corps en position ouverte.
  • La figure 2 est une coupe longitudinale analogue à la figure 1 montrant le fermoir avec ses deux demi-corps, en position fermée, accrochés l'un à l'autre.
  • Les figures 3 et 4 sont des coupes longitudinales partielles montrant à plus grande échelle le mouvement des billes de verrouillage du peigne de verrouillage.
  • Les figures 5 et 6 sont des coupes analogues aux figures 3 et 4 montrant des variantes de réalisation la barre de commande d'un fermoir selon l'invention.
  • Les figures 7 à 11 sont des coupes analogues à la figure 1 montrant différentes variantes de réalisation d'un fermoir selon l'invention.
Sur les figures, les éléments structurels et/ou fonctionnels communs ou analogues possèdent les mêmes références.Moreover, various other features of the invention appear from the attached description with reference to the drawings which illustrate non-limiting embodiments of a closure device or clasp according to the invention.
  • The figure 1 is a longitudinal section schematically showing a clasp according to the invention with its two half-bodies in the open position.
  • The figure 2 is a longitudinal section similar to the figure 1 showing the clasp with its two half-bodies, in the closed position, hooked to each other.
  • The Figures 3 and 4 are partial longitudinal sections showing on a larger scale the movement of locking balls of the locking comb.
  • The Figures 5 and 6 are similar cuts to Figures 3 and 4 showing alternative embodiments of the control bar of a clasp according to the invention.
  • The Figures 7 to 11 are similar cuts to the figure 1 showing different embodiments of a clasp according to the invention.
In the figures, the common and / or similar structural and / or functional elements have the same references.

Un fermoir selon l'invention comprend au moins deux et, selon l'exemple illustré à la figure 1, exactement deux demi-corps 1 et 2 destinés à coopérer l'un avec l'autre dans une position de fermeture F telle qu'illustrée à la figure 2, le fermoir étant représentés en position ouverte O à la figure 1.A clasp according to the invention comprises at least two and, according to the example illustrated in FIG. figure 1 , exactly two half-bodies 1 and 2 for cooperating with each other in a closed position F as illustrated in FIG. figure 2 , the clasp being represented in the open position O at the figure 1 .

Un premier demi-corps 1 comprend un peigne de verrouillage 3 destiné à s'emboîter en partie dans un peigne d'accrochage 4 équipant le deuxième demi-corps 2. Dans le cas présent, le peigne de verrouillage 3 comprend quatre dents de verrouillage 5 destinées à venir s'emboîter entre les six dents d'accrochage 6 du peigne d'accrochage 4. A first half-body 1 comprises a locking comb 3 intended to fit partly into a gripping comb 4 fitted to the second half-body 2. In this case, the locking comb 3 comprises four locking teeth 5 intended to fit between the six gripping teeth 6 of the gripping comb 4.

Selon l'exemple illustré et comme le montrent en détail les figures 3 et 4, chaque dent de verrouillage 5 comprend, tant qu'organe de verrouillage, deux billes de verrouillage 10 et 11 qui sont prisonnières d'un alésage 12 aménagé dans la dent de verrouillage 5 selon une direction Δ perpendiculaire à la direction Ω d'extension de la dent de verrouillage 5. L'alésage 12 débouche au niveau de deux faces opposées de la dent de verrouillage 5 par des ouvertures circulaires 13 qui présentent un diamètre inférieur à celui des billes de verrouillage 10 et 11. L'alésage 12 est dimensionné de manière que les billes de verrouillage 10 et 11 puissent s'y déplacer en translation de direction Δ entre une position de rétraction R, représentée figures 1 et 3, et une position d'extension E illustrée aux figures 2 et 4. En position d'extension E et compte tenu de la dimension des ouvertures 13, une partie de chaque bille de verrouillage 10 et 11 s'étend en saillie de la face correspondante de la dent de verrouillage 5. According to the illustrated example and as shown in detail in Figures 3 and 4 , each locking tooth 5 comprises, as locking member, two locking balls 10 and 11 which are trapped in a bore 12 formed in the locking tooth 5 in a direction Δ perpendicular to the direction Ω extension of the locking tooth 5. The bore 12 opens at two opposite faces of the locking tooth 5 by circular openings 13 which have a diameter smaller than that of the locking balls 10 and 11. The bore 12 is dimensioned by way that the locking balls 10 and 11 can move therein in translation direction Δ between a retraction position R, shown figures 1 and 3 , and an extended position E illustrated at figures 2 and 4 . In the extended position E and taking into account the size of the openings 13, a portion of each locking ball 10 and 11 protrudes from the corresponding face of the locking tooth 5.

Afin d'assurer le déplacement des billes de verrouillage depuis leur position de rétraction R jusqu'à leur position d'extension E, le peigne de verrouillage 3 est pourvu de moyens de verrouillage qui comprennent une barre de commande 20 disposée à l'intérieur d'une chambre 21 aménagée dans le premier demi-corps 1. La barre de commande 20 est mobile, en translation selon un axe Δ" parallèle à l'axe Δ, entre une position de déverrouillage D illustrée aux figures 1 et 3 et une position de verrouillage V représentée aux figures 2 et 4. La barre de commande 20 s'étend parallèlement à l'axe Δ et présente, sur une face orientée vers le peigne de verrouillage 3 et pour chaque dent de verrouillage 5, un chemin de came 22 qui possède, selon l'exemple illustré, une forme générale de « S » aplati. Les moyens de verrouillage comprennent également des moyens de transmission 23 interposés entre chaque chemin de came 22 et les billes de verrouillage 10 et 11 correspondantes. Dans la forme de réalisation illustrée, les moyens de transmission comprennent deux billes de transmission 24 et 25 disposées dans un alésage 26 qui est aménagé dans la dent de verrouillage 5 et qui s'étend selon l'axe Ω. Le diamètre interne de l'alésage 26 correspond au jeu prés au diamètre des billes de transmission 24 et 25 de manière qu'elles y soient mobiles en translation d'axe Ω. Chaque chemin de came 22 est alors conformé pour qu'en position de déverrouillage D les billes de transmission 24 et 25 puissent se déplacer vers la barre de commande 20 et ainsi permettre aux billes de verrouillage 10 et 11 de rentrer en position de rétraction R à l'intérieur de la dent de verrouillage 5. Chaque chemin de came 22 est, en outre, conformé pour, en position de verrouillage V, repousser les billes de transmission 24 et 25 vers les billes de verrouillage 10 et 11 de manière à les maintenir en position d'extension E. In order to ensure the displacement of the locking balls from their retraction position R to their extended position E, the locking comb 3 is provided with locking means which comprise a control bar 20 disposed inside a chamber 21 arranged in the first half-body 1. The control rod 20 is movable, in translation along an axis Δ " parallel to the axis Δ , between an unlocking position D illustrated in FIGS. figures 1 and 3 and a locking position V shown in figures 2 and 4 . The control rod 20 extends parallel to the axis Δ and has, on a face facing the locking comb 3 and for each locking tooth 5, a cam path 22 which has, according to the illustrated example, a general shape of "S" flattened. The locking means also comprise transmission means 23 interposed between each cam path 22 and the corresponding locking balls 10 and 11 . In the illustrated embodiment, the transmission means comprise two transmission balls 24 and 25 arranged in a bore 26 which is arranged in the locking tooth 5 and which extends along the axis Ω. The internal diameter of the bore 26 corresponds to the play near the diameter of the transmission balls 24 and 25 so that they are movable in translation axis Ω. Each cam path 22 is then shaped so that in the unlocking position D the transmission balls 24 and 25 can move towards the control bar 20 and thus allow the locking balls 10 and 11 to return to the retracted position R. the interior of the locking tooth 5. Each cam path 22 is further shaped to, in the locking position V, pushing the transmission balls 24 and 25 towards the locking balls 10 and 11 so as to maintain them in extended position E.

Les dents 6 du peigne d'accrochage 4 comprennent, quant à elles, sur chacune de leurs faces destinées à se trouver en regard d'une face d'une dent de verrouillage 5 pourvue d'une bille de verrouillage, un logement complémentaire 30. Selon l'exemple illustré, chaque logement présente la forme d'une calotte sphérique destinée à coopérer avec la partie de chaque bille de verrouillage s'étendant en saillie de la face correspondante de la dent de verrouillage, lorsque ladite bille est en position d'extension.The teeth 6 of the gripping comb 4 comprise, for their part, on each of their faces intended to be opposite a face of a locking tooth 5 provided with a locking ball, a complementary housing 30. According to the illustrated example, each housing has the shape of a spherical cap intended to cooperate with the portion of each locking ball projecting from the corresponding face of the locking tooth, when said ball is in the position of extension.

Le fermoir selon l'invention et son système de verrouillage, ainsi formé, fonctionnent de la manière suivante.The clasp according to the invention and its locking system, thus formed, operate in the following manner.

Lorsque la barre de commande 20 est en position de déverrouillage D, le peigne de verrouillage 3 peut être librement engagé dans le peigne d'accrochage 4 selon, par exemple, une translation parallèle à l'axe Ω de chaque dent de verrouillage 5, dans la mesure où les billes de verrouillage 10 et 11 peuvent chacune rentrer à l'intérieur de la dent de verrouillage 5 correspondante.When the control bar 20 is in the unlocking position D, the locking comb 3 can be freely engaged in the attachment comb 4 according to, for example, a translation parallel to the axis Ω of each locking tooth 5, in the extent to which the locking balls 10 and 11 can each go inside the corresponding locking tooth 5 .

Quand les peignes de verrouillage 3 et d'accrochage 4, sont emboîtés l'un dans l'autre de manière que les demi corps 1 et 2 soient dans la position de fermeture illustrée figure 2, le verrouillage du fermoir est obtenu en poussant dans le sens de la flèche F1 la barre de commande 20. Ainsi, chaque chemin de came 22 repousse les billes de transmission 24 et 25 correspondantes vers les billes de verrouillage 10 et 11 pour les amener en position d'extension E dans laquelle elles viennent s'engager à l'intérieur des logements 30. Dans cet état, plus particulièrement illustré à la figure 2 , l'axe Δ' d'alignement des logements 30 est confondu avec l'axe Δ de translation des billes de verrouillage 10 et 11. Il est à noter que les dents de verrouillage 5 et d'accrochage 6 peuvent être conformées de manière à autoriser une rotation d'axe Δ du premier demi-corps 1 par rapport au deuxième demi-corps 2. When the locking combs 3 and hooking 4 are nested one inside the other so that the half-bodies 1 and 2 are in the illustrated closed position figure 2 , the locking of the clasp is obtained by pushing in the direction of arrow F1 the control bar 20. Thus, each cam path 22 pushes the transmission balls 24 and 25 corresponding to the locking balls 10 and 11 to bring them into position. extension position E in which they engage in the housing 30. In this state, more particularly illustrated in the figure 2 , The axis Δ 'alignment of the housing 30 coincides with the axis Δ of translation of the locking balls 10 and 11. It should be noted that the locking teeth 5 and attachment 6 may be shaped so as to allow axis rotation Δ of the first half-body 1 relative to the second half-body 2.

Dans cet état, il est possible d'exercer une traction très importante sur les deux demi-corps 1 et 2 parallèlement à l'axe Ω sans risque d'ouverture dans la mesure où la transmission du mouvement déplacement, de la barre de commande 20 aux billes de verrouillage 10 et 11, est sensiblement irréversible.In this state, it is possible to exert a very strong traction on the two half-bodies 1 and 2 parallel to the axis Ω without risk of opening in the extent that the transmission of movement movement, the control bar 20 to the locking balls 10 and 11, is substantially irreversible.

Selon l'exemple illustré, la barre de commande 20 est dimensionnée pour, en position de verrouillage V, se trouver intégralement à l'intérieur du premier demi-corps 1. Afin de faciliter la manoeuvre de la barre de commande 20, le premier demi-corps 1 peut comprendre un levier 31 permettant de repousser la barre de commande 20 de sa position de verrouillage V vers sa position de déverrouillage D. According to the illustrated example, the control bar 20 is dimensioned so that, in the locking position V, it is entirely within the first half-body 1. In order to facilitate the operation of the control bar 20, the first half -body 1 may comprise a lever 31 for pushing the control bar 20 from its locking position V to its unlocking position D.

De manière à permettre l'intégration du fermoir ainsi réalisé dans un bijou tel qu'un bracelet ornemental ou un bracelet de montre ou encore un collier, les demi-corps 1 et 2 comprennent, à l'opposé des peignes 3 et 4, des moyens de fixation 32 d'un corps de bijoux, de montre ou de bracelet de montre. Ces moyens de fixation peuvent être réalisés de toute manière appropriée connue de l'homme du métier et ne nécessitent donc pas une plus ample description.In order to allow the integration of the clasp thus made in a jewel such as an ornamental bracelet or a watch strap or a necklace, the half-bodies 1 and 2 comprise, in contrast to the combs 3 and 4, fastening means 32 for a jewelry body, a watch or a watch band. These fixing means can be made in any appropriate manner known to those skilled in the art and therefore do not require further description.

Selon une variante de réalisation visant à éviter une translation intempestive de la barre de commande 20 en position de verrouillage V sous l'effet de vibrations, au moins un chemin de came 22 comprend, comme le montre la figure 5, une lame élastique 33 qui est liée par une extrémité à la barre de commande 20. La lame élastique 33 définit alors par sa tranche opposée à la barre de commande le chemin de came 22 correspondant. De plus l'extrémité libre 34 de la lame 33 définit avec un bord en regard 35 de la barre de commande 20 une cuvette 36 qui vient s'engager à force sur la bille de transmission 25 en contact avec le chemin de came lorsque la barre de commande est en position de verrouillage V. Ainsi, la position de verrouillage V de la barre de commande 20 est stable. De plus, l'élasticité de la lame 33 est suffisante pour que la force exercée par le levier 31 permette d'amorcer la translation de la barre de commande 20 en dégageant la cuvette 36 de la bille de transmission 25 adjacente grâce à la déformation de la lame 33. According to an alternative embodiment intended to prevent inadvertent translation of the control bar 20 in the locking position V under the effect of vibrations, at least one cam path 22 comprises, as shown in FIG. figure 5 , an elastic blade 33 which is connected at one end to the control bar 20. The elastic blade 33 then defines by its edge opposite the control bar the corresponding cam path 22 . In addition, the free end 34 of the blade 33 defines with a facing edge 35 of the control bar 20 a cup 36 which engages force on the transmission ball 25 in contact with the cam path when the bar control is in the locking position V. Thus, the locking position V of the control rod 20 is stable. In addition, the elasticity of the blade 33 is sufficient for the force exerted by the lever 31 to initiate the translation of the control bar 20 by disengaging the bowl 36 from the adjacent transmission ball 25 through the deformation of the blade 33.

Dans le même ordre d'idée, la figure 6 montre une autre variante de réalisation selon laquelle au moins un chemin de came 22 comprend au moins une lame élastique 40 dont une extrémité est liée à la barre de commande 20. Cette lame élastique 40 définit, par sa tranche opposée à la barre de commande, une partie au moins du chemin de came 22 correspondant à la région active en position de déverrouillage V de la barre de commande 20. La partie libre de la lame 40 est adaptée pour, en position de déverrouillage de la barre de commande 20, exercer sur les billes de transmission 24 et 25 une faible poussée destinée à maintenir les billes de verrouillage 10 et 11 en position d'extension E tout en autorisant leur translation vers leur position de rétraction R. Ainsi les billes de verrouillage peuvent passer de leur position d'extension E à leur position de rétraction R sous l'effet d'une faible contrainte résultant, par exemple, d'un mouvement de désemboîtement ou d'emboîtement des peignes effectué d'une seule main par un utilisateur.In the same vein, the figure 6 shows another variant embodiment in which at least one cam path 22 comprises at least one elastic blade 40 , one end of which is connected to the control bar 20. This elastic blade 40 defines, by its edge opposite the control bar, at least a portion of the cam path 22 corresponding to the active region in unlocking position V of the control bar 20. The free portion of the blade 40 is adapted to, in the unlocking position of the control bar 20, to exert on the transmission balls 24 and 25 a small thrust intended to maintain the locking balls 10 and 11 in extended position E while allowing their translation to their retracted position R. Thus the locking balls can move from their position of extension E at their position of retraction R under the effect of a low stress resulting, for example, from a disengagement movement or nesting of the combs made of a ule by a user.

Il pourrait être envisagé de combiner les deux lames élastiques 33 et 40 pour un même chemin de came 22 ou encore de mettre en oeuvre une lame élastique 33 sur au moins un chemin de came 22 et une lame élastique 40 sur au moins un autre chemin de came. De même certains seulement ou tous les chemins de came peuvent comprendre l'une ou les deux lames élastiques destinée chacune à agir soit en position de verrouillage V soit en position de déverrouillage D de la barre de commande 20. It could be envisaged to combine the two elastic blades 33 and 40 for the same cam path 22 or to implement an elastic blade 33 on at least one cam path 22 and an elastic blade 40 on at least one other path. cam. Likewise, only some or all of the cam tracks may comprise one or both elastic strips each intended to act either in the locking position V or in the unlocking position D of the control bar 20.

Selon l'exemple précédent décrit en relation avec les figures 1 et 2, les peignes de verrouillage 3 et d'accrochage 4 comprennent de plus de deux dents. Toutefois, le peigne de verrouillage 3 peut, comme le montre la figure 7, ne comprendre qu'une seule dent de verrouillage 5 destinée à coopérer avec deux dents d'accrochage 6. La dent de verrouillage 5 comprend alors deux billes de verrouillage 10 et 11 comme décrit précédemment.According to the previous example described in relation to the Figures 1 and 2 The locking combs 3 and attachment 4 comprise more than two teeth. However, the locking comb 3 can, as shown in FIG. figure 7 , comprising only one locking tooth 5 intended to cooperate with two gripping teeth 6. The locking tooth 5 then comprises two locking balls 10 and 11 as described above.

De même, le peigne d'accrochage 4 peut ne comprendre qu'une seule dent d'accrochage 6 destinée à coopérer avec deux dents de verrouillage 5 comme le montre la figure 8. Selon cet exemple, chaque dent de verrouillage 5 ne comprend qu'une seule bille de verrouillage 10. De plus, selon cet exemple, les logements 30 sont formés par un alésage 43 traversant la dent d'accrochage 6. Similarly, the attachment comb 4 may comprise only one attachment tooth 6 intended to cooperate with two locking teeth 5 as shown in FIG. figure 8 . According to this example, each locking tooth 5 comprises only one locking ball 10. In addition, according to this example, the housings 30 are formed by a bore 43 passing through the attachment tooth 6.

La figure 9 illustre une autre forme de réalisation d'un fermoir selon l'invention comprenant trois demi-corps 1, 2,2' qui sont chacun pourvu, d'une part, d'un peigne de verrouillage 3 et, d'autre part, d'un peigne d'accrochage 4. Un tel fermoir peut par exemple constituer un tronçon d'ajustement de la longueur d'un bracelet. Il peut également être réalisé tout un bracelet à partir d'un tel fermoir.The figure 9 illustrates another embodiment of a clasp according to the invention comprising three half-bodies 1, 2,2 ' which are each provided, on the one hand, with a locking comb 3 and, on the other hand, with a comb attachment 4. such a clasp may for example constitute an adjusting portion of the length of a bracelet. It can also be made a whole bracelet from such a clasp.

La figure 10 illustre une autre forme de réalisation d'un fermoir selon l'invention pour laquelle les moyens de verrouillage comprennent, en tant que moyens de commande, des billes de commande 45 mobiles en translation parallèlement à l'axe Δ. Les billes de commande présentent un diamètre adapté pour que l'espace, qui les sépare, définisse la position de déverrouillage D et pour que le sommet d'une bille de commande 45 repousse les billes de transmission pour définir la position de verrouillage V dans laquelle les billes de verrouillage 10 et 11 sont en position d'extension E. Selon l'exemple illustré les billes de commande 45 sont asservies en position de verrouillage par un ressort 46 et placées en position de déverrouillage au moyen d'un poussoir 47. The figure 10 illustrates another embodiment of a clasp according to the invention for which the locking means comprise, as control means, control balls 45 movable in translation parallel to the axis Δ. The control balls have a diameter adapted so that the space separating them defines the unlocking position D and that the top of a control ball 45 pushes the transmission balls to define the locking position V in which the locking balls 10 and 11 are in the extended position E. According to the example shown, the control balls 45 are locked in the locking position by a spring 46 and placed in the unlocking position by means of a pusher 47.

La figure 11 illustre encore une autre forme de réalisation d'un fermoir selon l'invention pour laquelle les moyens de verrouillage comprennent, en tant que moyen de commande, une barre de commande 47 mobile en rotation d'axe Δ". La barre de commande 47 comprend alors des chemins de came 48 s'étendant radialement par rapport à ladite barre de commande 47. Selon cet exemple, la barre de commande 47 est manoeuvrée rotation au moyen d'un bouton 49 s'étendant à l'extérieur du premier demi-corps 1 The figure 11 illustrates yet another embodiment of a clasp according to the invention for which the locking means comprise, as control means, a control rod 47 movable in rotation axis Δ ". control 47 then comprises cam paths 48 extending radially with respect to said control bar 47. In this example, the control bar 47 is operated rotation by means of a button 49 extending outside the first half-body 1

Bien entendu, diverses autres modifications peuvent être apportées à un fermoir selon l'invention dans le cadre des revendications annexées.Of course, various other modifications may be made to a clasp according to the invention within the scope of the appended claims.

Claims (14)

  1. Clasp comprising at least two half-bodies intended to cooperate together in a closure position, comprising:
    - a first half-body (1) comprises at least one locking comb (3),
    - a second half-body (2) comprises at least one attachment comb (4),
    - the attachment and locking combs are intended to at least partially fit together in the locked position of the half-bodies, characterised in that:
    - the locking comb (3) comprises:
    - at least two locking members (10, 11) that are able to move in translation in a direction Δ between a retraction position (R) and an extension position (E) in which they are each intended to engage, in the closed position of the half-bodies, in a complementary housing (30) provided in the attachment comb (4), the housings of the attachment comb (4) being aligned along an axis Δ' merged with the axis Δ in the closed position of the half-bodies (1, 2),
    - locking means able to move, at least partly, in translation and/or in rotation, in a control direction Δ" parallel to the direction Δ, between a locked position (V) and an unlocked position (D) and able, in the locked position (V), to push the locking members (10, 11) into the extension position (E) and in the unlocked position to allow the translation of the locking members (10, 11).
  2. Clasp according to claim 1, characterised in that locking means comprise control means (20) that are able to move in translation in the direction Δ" parallel to the direction Δ between the locked position (V) and the unlocked position and which comprise at least one cam track (22) cooperating with transmission means (24, 25) interposed between each cam track (22) and the locking members (10, 11), the cam track (22) and the transmission means being able, in the locked position of the control means, to push the locking members (10, 11) into the extension position (E) and in the unlocked position (D) to allow the free translation of the locking members (10, 11).
  3. Clasp according to claim 2, characterised in that the control means comprise a control bar that is able to move in translation in the direction Δ" parallel to the direction Δ between the locked position and the unlocked position (D) and is provided with at least one cam track cooperating with transmission means interposed between the cam track (22) and the locking members, the cam track and the transmission means being able, in the locked position (V) of the control bar, to push the locking members (10, 11) into the extension position (E) and in the unlocked position (D) to allow free translation of the locking members (10, 11).
  4. Clasp according to one of the preceding claims, characterised in that the locking members (10, 11) comprise locking balls.
  5. Clasp according to one of the preceding claims, characterised in that, in the closed position of the combs and the locked position of the control means, the locking members (10, 11) and their housings (30) are able to allow a rotation of the half-bodies with respect to each other along the axis Δ.
  6. Clasp according to one of the preceding claims, characterised in that a first comb comprises n teeth and the second comb, intended to cooperate with the first, comprises n+1 teeth, the n teeth on the first comb being intended to fit between the n+1 teeth on the second comb.
  7. Clasp according to claim 3, characterised in that the locking comb (3) comprises at least one locking tooth (5) that comprises two locking members (10, 11) able to move in opposite directions and intended to engage in the housings (30) of two separate attachment teeth (6).
  8. Clasp according to claim 3 or 4, characterised in that the locking comb (3) comprises at least two locking teeth (5) that each comprise at least one locking member, the two locking members (10, 11) being able to move in opposite directions and intended to engage in two housings (30) of the same locking tooth (6).
  9. Clasp according to one of claims 2, 3, 7 or 8, characterised in that the transmission means (24, 25) interposed between each cam track (22) and the corresponding locking members (10, 11) comprise at least two balls aligned along an axis perpendicular to the axis Δ.
  10. Clasp according to claim 3, characterised in that at least one cam track (22) comprises at least one elastic blade (33), one end of which is connected to the control bar and the other end (34) of which is free, which defines, by its edge opposite to the control bar, at least part of the cam track, the free end (34) of the blade (33) forming, in relation to an opposite edge (35) of the control bar, an elastic bowl (36) intended, in cooperation with the transmission means (24, 25), to immobilise the control bar in the locked position.
  11. Clasp according to claim 3, characterised in that at least one cam track (22) comprises at least one elastic blade (40), one end of which is connected to the control bar and defines, by its edge opposite to the control bar, at least part of the cam track, the free part of the blade (40) being able, in the unlocked position (D) of the control bar (20), to exert a thrust on the transmission means that is very much less than that exerted in the locked position, so as to push the locking members (10, 11) into the extension position (E) while allowing translation thereof towards the retraction position (R).
  12. Clasp according to one of the preceding claims, characterised in that it comprises more than two half-bodies (1, 2, 2') and in that at least one of the half-bodies (2') comprises an attachment comb (4) and a locking comb (3).
  13. Clasp according to one of the preceding claims, characterised in that at least one of the half-bodies (1, 2) comprises means for fixing a jewel, watch or watch bracelet body.
  14. Clasp according to claim 10, characterised in that it forms a bracelet, a necklace or a watch bracelet.
EP12150983.0A 2011-01-12 2012-01-12 Clasp Not-in-force EP2476334B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150265A FR2970154B1 (en) 2011-01-12 2011-01-12 CLASP

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EP2476334A1 EP2476334A1 (en) 2012-07-18
EP2476334B1 true EP2476334B1 (en) 2016-04-06

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EP (1) EP2476334B1 (en)
FR (1) FR2970154B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021008302A1 (en) 2019-07-15 2021-01-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Mounting and locking mechanism, casing, and wearable device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319046A1 (en) * 1983-05-26 1984-11-29 Fa. Georg Lauer, 7530 Pforzheim Fastener for bracelets, straps and chains or the like

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Publication number Priority date Publication date Assignee Title
FR712161A (en) * 1931-01-13 1931-09-26 New staple system for belts
FR774279A (en) * 1934-06-06 1934-12-04 Kiang Et Compagine Ets Application of ball stop in a bracelet closure system
DE1484283C3 (en) * 1964-06-29 1975-05-28 Dr. Heinz Kluge Nachf., 4000 Duesseldorf Device for connecting a continuous profile bar with an abutting profile bar of a supporting framework for walls, frames or the like
FR1413263A (en) * 1964-10-01 1965-10-08 Metal jewelry clasp
GB2297236A (en) * 1995-01-30 1996-07-31 Dailywin Watch Products Mfg Lt Releasable connector for a wrist-watch or bracelet
FR2766587B3 (en) * 1997-07-23 1999-12-24 Meca Control WATCH CASE FOR TOOL-FREE INTERCHANGEABLE STRAP
FR2795462B1 (en) * 1999-06-25 2001-09-07 Remy Kirchdoerffer SOLIDARIZATION AND LOCKING DEVICE IN A RECESS

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319046A1 (en) * 1983-05-26 1984-11-29 Fa. Georg Lauer, 7530 Pforzheim Fastener for bracelets, straps and chains or the like

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EP2476334A1 (en) 2012-07-18
FR2970154A1 (en) 2012-07-13
FR2970154B1 (en) 2013-03-29

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