EP0018018A1 - Locking device for a bracelet - Google Patents

Locking device for a bracelet Download PDF

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Publication number
EP0018018A1
EP0018018A1 EP19800200043 EP80200043A EP0018018A1 EP 0018018 A1 EP0018018 A1 EP 0018018A1 EP 19800200043 EP19800200043 EP 19800200043 EP 80200043 A EP80200043 A EP 80200043A EP 0018018 A1 EP0018018 A1 EP 0018018A1
Authority
EP
European Patent Office
Prior art keywords
clasp
parts
end part
bracelet
closed position
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.)
Ceased
Application number
EP19800200043
Other languages
German (de)
French (fr)
Inventor
Renato Poli
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.)
Bear & Cie Sa
Original Assignee
Bear & Cie 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 Bear & Cie Sa filed Critical Bear & Cie Sa
Publication of EP0018018A1 publication Critical patent/EP0018018A1/en
Ceased legal-status Critical Current

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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

Definitions

  • the present invention relates to a bracelet clasp comprising three parts hinged together by one of their ends, the two end parts comprising at their free end means for fixing the branches of the bracelet, the three parts coming to fold one on .the others, in the closed position of the clasp, and locking means being provided for fixing the three parts to one another in said closed position.
  • the present invention proposes to provide a bracelet clasp of the type mentioned above, provided with a locking device easy to handle and of great strength, and also with a pleasant aesthetic appearance which fits perfectly between the links of a metallic bracelet.
  • the clasp according to the invention is characterized by the fact that the three parts are provided for fitting into each other in said closed position to form a compact part and the hinge pin between a first end part and the intermediate part serves as a locking means between said first end part and the second part d 'end.
  • a compact, massive, robust clasp is thus obtained, the thickness of which may advantageously be the same as that of the links of the bracelet and which may even serve as an element of decoration of the bracelet.
  • the clasp shown in the drawings consists of three parts: a first end part 1 articulated at one end to a first branch 4 of the bracelet and, at the other end, to an intermediate part 2 which is itself articulated at a second end part 3 which is in turn articulated by its other end to the second branch 4 'of the bracelet.
  • the first end part 1 is formed by a thin rectangular metal plate 11 provided on its underside intended to be applied against the wrist of the user, two parallel longitudinal edges 12,12 ′ between which the hinge pins 13,14 are mounted, constituted for example by pins.
  • the intermediate part 2 is mounted on the second articulation axis 14, fixed at the other end of the flanges 12, 12 ′.
  • the intermediate part 2 is formed by two parallel rectangular branches 21,21 'mounted between the flanges 12,12' of the first end part 1 and articulated on said axis 14 while between their other end is mounted the second part d 'end 3 of the clasp which is articulated on a third axis 22 itself fixed between the two branches.
  • This second end part 3 is formed by a simple metal plate 31, the free end of which is articulated by an axis 32 on the first element 41 'of the second branch 4' of the bracelet.
  • the thickness of the flanges 12,12 ′ of the first part 1, of the branches 21,21 ′ and of the metal plate 31 is the same, so that when the clasp is closed the second end part 3 being embedded between the branches 21,21 ′ of the intermediate part which is itself embedded between the flanges 12,12 ′ of the first end part, it forms a compact element whose thickness corresponds approximately to the thickness of the elements of the bracelet.
  • a rai- transverse link 33 provided for receiving, by locking it, the contral part of the hinge pin 14, in the closed position of the clasp.
  • the groove 33 is preferably provided with a notch 36 on its side walls so as to pinch the hinge pin which can fit or disengage from said groove thanks to the elastic deformation of the walls of the groove.
  • the length of the intermediate part 2 and of the second end part 3 is such that once these two parts are embedded in the first end part 1 the end 34 of the second end part 3, which is rounded, is forcibly applied against a face 42, also rounded, of the first element 41 of the bracelet 4, this constituting an additional locking of the intermediate part 2 on the first end part 1.
  • the plate 11 of the first end part 1 is provided with a central window 16 through which is visible the upper face of the second end part 3 which can advantageously bear inscriptions for example, user name or trademark.
  • the various parts 1,2,3 are slightly argued so as to conform to the shape of the wrist.
  • the form which is described can advantageously be used as a clasp of a metal watch strap and also as a clasp for a curb chain.

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  • Adornments (AREA)
  • Buckles (AREA)

Abstract

The locking device comprises a first end part (1) articulated at one end on a first branch (4) of the bracelet and at the other end on an intermediate portion (2) which is itself articulated on a second end portion (3). The first end portion (1) is equipped with two longitudinal edges (12, 12') supporting at their ends the articulation pins (13, 14) and between which fits the intermediate portion (2) consisting of two branches (21, 21') between which is mounted and fits the second end portion (3). The latter is equipped on its upper face with a transverse groove (33) in which the articulation pin (14) locks between the first end portion (1) and the intermediate portion (2) in the assembled position of the locking device. <IMAGE>

Description

La présente invention a pour objet un fermoir de bracelet comprenant trois parties articulées entre elles par une de leurs extrémités, les deux parties d'extrémité comportant à leur extrémité libre des moyens de fixation des branches du bracelet, les trois parties venant se replier les unes sur .les autres, en position fermée du fermoir, et des moyens de verrouillage étant prévus pour fixer les trois parties les unes sur les autres dans ladite position fermée.The present invention relates to a bracelet clasp comprising three parts hinged together by one of their ends, the two end parts comprising at their free end means for fixing the branches of the bracelet, the three parts coming to fold one on .the others, in the closed position of the clasp, and locking means being provided for fixing the three parts to one another in said closed position.

On connaît déjà des fermoirs de ce type, utilisés particulièrement pour la fermeture des bracelets à maillons métalliques. Dans ces fermoirs connus, les différentes parties sont constituées par des plaquettes métalliques qui se replient les unes sur les autres et le verrouillage est obtenu au moyen d'une languette métallique qui s'accroche contre une goupille prévue sur l'une des deux autres parties. Ces fermoirs présentent différents inconvénients : d'une part du point de vue de leur utilisation à cause du moyen de verrouillage constitué par la languette qui risque de se détériorer à la longue, d'autre part du point de vue de leur aspect esthétique à cause de leur configuration qui ne leur permet pas d'être extrêmement plats.Already known clasps of this type, used particularly for closing bracelets with metal links. In these known clasps, the different parts consist of metal plates which fold over one another and the locking is obtained by means of a metal tongue which hooks against a pin provided on one of the other two parts. . These clasps have different drawbacks: on the one hand from the point of view of their use because of the locking means constituted by the tongue which risks deteriorating in the long run, on the other hand from the point of view of their aesthetic appearance because of their configuration which does not allow them to be extremely flat.

La présente invention se propose de réaliser un fermoir de bracelet du type mentionné ci-dessus, muni d'un dispositif de verrouillage facile à manipuler et d'une grande solidité, et également d'un aspect esthétique agréable qui s'intègre parfaitement entre les maillons d'un bracelet métallique.The present invention proposes to provide a bracelet clasp of the type mentioned above, provided with a locking device easy to handle and of great strength, and also with a pleasant aesthetic appearance which fits perfectly between the links of a metallic bracelet.

A cet effet, le fermoir selon l'invention est caractérisé par 10 fait que les trois parties sont prévues pour s'encastrer les unes dans les autres dans ladite position fermée pour former une pièce compacte et que l'axe d'articulation entre une première partie d'extrémité et la partie intermédiaire sert de moyen de verrouillage entre ladite première partie d'extrémité et la deuxième partie d'extrémité.To this end, the clasp according to the invention is characterized by the fact that the three parts are provided for fitting into each other in said closed position to form a compact part and the hinge pin between a first end part and the intermediate part serves as a locking means between said first end part and the second part d 'end.

On obtient ainsi un fermoir compact, massif, robuste dont l'épaisseur peut avantageusement être la même que celle des maillons du bracelet et qui peut même servir comme élément de décoration du bracelet.A compact, massive, robust clasp is thus obtained, the thickness of which may advantageously be the same as that of the links of the bracelet and which may even serve as an element of decoration of the bracelet.

Le dessin annexé représente, à titre d'exemple, une forme d'exécution du fermoir selon l'invention.

  • La figure 1 est une vue en perspective de la face inférieure du fermoir sur le point d'être refermé.
  • La figure 2 est une vue de la même face inférieure du fermoir en position entièrement ouverte.
  • La figure 3 est une coupe selon III-III de la deuxième partie d'extrémité.
The accompanying drawing shows, by way of example, an embodiment of the clasp according to the invention.
  • Figure 1 is a perspective view of the underside of the clasp about to be closed.
  • Figure 2 is a view of the same underside of the clasp in the fully open position.
  • Figure 3 is a section on III-III of the second end portion.

Le fermoir représenté sur les dessins se compose de trois parties : une première partie d'extrémité 1 articulée, à une extrémité, à une première branche 4 du bracelet et, à l'autre extrémité, à une partie intermédiaire 2 laquelle est elle-même articulée à une deuxième partie d'extrémité 3 laquelle est à son tour articulée par son autre extrémité à la deuxième branche 4' du bracelet.The clasp shown in the drawings consists of three parts: a first end part 1 articulated at one end to a first branch 4 of the bracelet and, at the other end, to an intermediate part 2 which is itself articulated at a second end part 3 which is in turn articulated by its other end to the second branch 4 'of the bracelet.

La première partie d'extrémité 1 est formée par une mince plaque métallique rectangulaire 11 munie sur sa face inférieure destinée à être appliquée contre le poignet de l'utilisateur, de deux rebords longitudinaux parallèles 12,12' entre lesquels sont montés les axes d'articulation 13,14 constitués par exemple par des goupilles. Sur le premier axe d'articulation 13, fixé à une première extrémité des rebords 12,12', est monté le premier élément 41 de la première branche 4 du bracelet, deux manchons 15,15' montés de part et d'autre de l'élément 41, sur l'axe 13, permettant.de positionner ledit élément par rapport au fermoir. Sur le deuxième axe d'articulation 14, fixé à l'autre extrémité des rebords 12, 12', est montée la partie intermédiaire 2.The first end part 1 is formed by a thin rectangular metal plate 11 provided on its underside intended to be applied against the wrist of the user, two parallel longitudinal edges 12,12 ′ between which the hinge pins 13,14 are mounted, constituted for example by pins. On the first articulation axis 13, fixed to a first end of the flanges 12,12 ', is mounted the first element 41 of the first branch 4 of the bracelet, two sleeves 15,15' mounted on either side of the element 41, on the axis 13, making it possible to position said element relative to the clasp. The intermediate part 2 is mounted on the second articulation axis 14, fixed at the other end of the flanges 12, 12 ′.

La partie intermédiaire 2 est formée par deux branches rectangulaires parallèles 21,21' montées entre les rebords 12,12' de la première partie d'extrémité 1 et articulées sur ledit axe 14 tandis qu'entre leur autre extrémité est montée la deuxième partie d'extrémité 3 du fermoir laquelle est articulée sur un troisième axe 22 lui-même fixé entre les deux branches. Cette deuxième partie d'extrémité 3 est formée par une simple plaquette métallique 31 dont l'extrémité libre est articulée par un axe 32 sur le première élément 41' de la deuxième branche 4' du bracelet.The intermediate part 2 is formed by two parallel rectangular branches 21,21 'mounted between the flanges 12,12' of the first end part 1 and articulated on said axis 14 while between their other end is mounted the second part d 'end 3 of the clasp which is articulated on a third axis 22 itself fixed between the two branches. This second end part 3 is formed by a simple metal plate 31, the free end of which is articulated by an axis 32 on the first element 41 'of the second branch 4' of the bracelet.

L'épaisseur des rebords 12,12' de la première partie 1, des branches 21,21' et de la plaquette métallique 31 est la même, de sorte que lorsque le fermoir est fermé la deuxième partie d'extrémité 3 étant encastrée entre les branches 21,21' de la partie intermédiaire laquelle est elle-même encastrée entre les rebords 12,12' de la première partie d'extrémité, il forme un élément compact dont l'épaisseur correspond approximativement à l'épaisseur des éléments du bracelet.The thickness of the flanges 12,12 ′ of the first part 1, of the branches 21,21 ′ and of the metal plate 31 is the same, so that when the clasp is closed the second end part 3 being embedded between the branches 21,21 ′ of the intermediate part which is itself embedded between the flanges 12,12 ′ of the first end part, it forms a compact element whose thickness corresponds approximately to the thickness of the elements of the bracelet.

Sur la face supérieure de la plaquette 31 est forcée une rai- nure transversale 33 prévue pour recevoir, en la verrouillant, la partir contrale de l'nxe d'articulation 14, en position fermée du fermoir. La rainure 33 est de préférence munie d'un cran 36 sur ses parois latérales de manière à retenir par pincement l'axe d'articulation lequel peut s'emboîter ou se déboîter de ladite rainure grâce à la déformation élastique des parois de la rainure.On the upper face of the plate 31 is forced a rai- transverse link 33 provided for receiving, by locking it, the contral part of the hinge pin 14, in the closed position of the clasp. The groove 33 is preferably provided with a notch 36 on its side walls so as to pinch the hinge pin which can fit or disengage from said groove thanks to the elastic deformation of the walls of the groove.

En outre, la longueur de la partie intermédiaire 2 et de la deuxième partie d'extrémité 3 est telle qu'une fois ces deux parties encastrées dans la première partie d'extrémité 1 l'extrémité 34 de la deuxième partie d'extrémité 3, qui est arrondie,s'applique par force contre une face 42, également arrondie, du premier élément 41 du bracelet 4, ceci constituant un verrouillage supplémentaire de la partie intermédiaire 2 sur la première partie d'extrémité 1.Furthermore, the length of the intermediate part 2 and of the second end part 3 is such that once these two parts are embedded in the first end part 1 the end 34 of the second end part 3, which is rounded, is forcibly applied against a face 42, also rounded, of the first element 41 of the bracelet 4, this constituting an additional locking of the intermediate part 2 on the first end part 1.

Pour ouvrir le fermoir, il suffit que l'utilisateur soulève, à l'aide d'un ongle,l'extrémité 35 de la deuxième partie d'extrémité 3 jusqu'à ce que la rainure 33 libère l'axe 14, grâce à la déformation élastique de ses parois, ensuite il tire cette partie 3 pour déplier le fermoir à l'encontre de la résistance opposée par le frottement entre les extrémités 34 et 42 de la partie d'extrémité 3, respectivement du premier élément 41 du bracelet.To open the clasp, it suffices for the user to lift the end 35 of the second end part 3 using a fingernail until the groove 33 releases the axis 14, thanks to the elastic deformation of its walls, then it pulls this part 3 to unfold the clasp against the resistance opposed by the friction between the ends 34 and 42 of the end part 3, respectively of the first element 41 of the bracelet.

Selon une forme préférée de l'invention, la plaque 11 de la première partie d'extrémité 1 est munie d'une fenêtre centrale 16 à travers laquelle est visible la face supérieure de la deuxième partie d'extrémité 3 qui peut avantageusement porter des inscriptions par exemple le nom de l'utilisateur ou la marque de fabrique.According to a preferred form of the invention, the plate 11 of the first end part 1 is provided with a central window 16 through which is visible the upper face of the second end part 3 which can advantageously bear inscriptions for example, user name or trademark.

Un outre, selon une autre forme préférée de l'invention, les différentes parties 1,2,3 sont légèrement arguées de manière à épouser la forme du poignetFurthermore, according to another preferred form of the invention, the various parts 1,2,3 are slightly argued so as to conform to the shape of the wrist.

Le formoir qui viout d'être décrit peut avantageusement être uti lisé comme fermoir d'un bracelet-montre métallique et également comme fermoir d'une gourmette.The form which is described can advantageously be used as a clasp of a metal watch strap and also as a clasp for a curb chain.

Claims (6)

1. Fermoir de bracelet comprenant trois parties articulées entre elles par une de leurs extrémités, les deux parties d'extrémité comportant à leur extrémité libre des moyens de fixation des branches du bracelet, les trois parties venant se re- , plier les unes sur les autres, en position fermée du fermoir,et des moyens de verrouillage étant prévus pour fixer les trois parties les unes sur les autres dans ladite position fermée, caractérisé par le fait que les trois parties (1,2,3) sont prévues pour s'encastrer les unes dans les autres dans ladite position fermée pour former une pièce compacte et que l'axe d'articulation (14) entre une première partie d'extrémité (1) et la partie intermédiaire (2) sert de moyen de verrouillage entre ladite première partie d'extrémité (1) et la deuxième partie d'extrémité (3).1. Bracelet clasp comprising three parts hinged together at one of their ends, the two end parts comprising at their free end means for attaching the arms of the bracelet, the three parts coming to fold, one on the other. others, in the closed position of the clasp, and locking means being provided for fixing the three parts to one another in said closed position, characterized in that the three parts (1,2,3) are provided for embed one in the other in said closed position to form a compact part and the hinge pin (14) between a first end part (1) and the intermediate part (2) serves as a locking means between said first end part (1) and the second end part (3). 2. Fermoir selon la revendication 1, caractérisé par le fait que la première partie d'extrémité (1) est formée par une plaque (11) munie de deux rebords longitudinaux (12,12') entre lesquels s'encastre .la partie intermédiaire (2) laquelle est formée par deux branches parallèles (21,21') entre lesquelles est montée la deuxième partie d'extrémité (3) la partie intermédiaire (2) étant articulée sur les deux parties d'extrémité (1,3) par des axes d'articulation (14,22) montés respectivement à l'extrémité intérieure des deux parties d'extrémité (1,3) et que la deuxième partie d'extrémité (3) est munie, sur sa face extérieure, située en regard de la première partie d'extrémité en position fermée du fermoir, d'une rainure transversale (33) dans laquelle, dans ladite position fermée, se verrouille par pincement la partie centrale de l'axe d'articulation (14) entre la première partie d'extrémité (1) et la partie intermédiaire (2).2. Clasp according to claim 1, characterized in that the first end part (1) is formed by a plate (11) provided with two longitudinal flanges (12,12 ') between which fits. The intermediate part (2) which is formed by two parallel branches (21,21 ') between which is mounted the second end part (3) the intermediate part (2) being articulated on the two end parts (1,3) by hinge pins (14,22) mounted respectively at the inner end of the two end parts (1,3) and that the second end part (3) is provided, on its outer face, located opposite from the first end part in the closed position of the clasp, a transverse groove (33) in which, in said closed position, the central part of the hinge pin (14) between the first part is pinched end (1) and the intermediate part (2). 3. Fermoir selon la revendication 2, caractérisé par le fait que les bords de ladite rainure transversale (33) sont munis d'au moins un cran (36) pour retenir par pincement ledit axe d'articulation (14).3. Clasp according to claim 2, characterized in that the edges of said transverse groove (33) are provided with at least one notch (36) for pinching said hinge pin (14). 4. Fermoir selon la revendication L destiné à être monté sur un bracelet métallique caractérisé par le fait que l'extrémité (34) de la deuxième partie d'extrémité (3) articulée sur la partie intermédiaire (2) est arrondie et qu'en position fermée du fermoir s'applique par force contre le premier élément du bracelet (41) fixé à l'extrémité libre de la première partie d'extrémité (1).4. Clasp according to claim L intended to be mounted on a metal bracelet characterized in that the end (34) of the second end part (3) articulated on the intermediate part (2) is rounded and that in closed position of the clasp is applied by force against the first element of the bracelet (41) fixed to the free end of the first end part (1). 5. Fermoir selon l'une quelconque des revendications précédentes, caractérisé par le fait que la première partie d'extrémité (1) est munie d'une fenêtre (16) à travers laquelle est visible la face extérieure de la deuxième partie d'extrémité (3).5. Clasp according to any one of the preceding claims, characterized in that the first end part (1) is provided with a window (16) through which the external face of the second end part is visible. (3). 6. Fermoir selon l'une quelconque des revendications 1 à 4, caractérisé par le fait que les trois parties sont arquées pour épouser la forme du poignet.6. Clasp according to any one of claims 1 to 4, characterized in that the three parts are arched to match the shape of the wrist.
EP19800200043 1979-04-12 1980-01-17 Locking device for a bracelet Ceased EP0018018A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH350679A CH627929A5 (en) 1979-04-12 1979-04-12 BRACELET CLASP.
CH3506/79 1979-04-12

Publications (1)

Publication Number Publication Date
EP0018018A1 true EP0018018A1 (en) 1980-10-29

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ID=4257452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800200043 Ceased EP0018018A1 (en) 1979-04-12 1980-01-17 Locking device for a bracelet

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EP (1) EP0018018A1 (en)
CH (1) CH627929A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH641332A5 (en) * 1982-11-19 1984-02-29 Boucledor Sa Clasp
FR2619292A1 (en) * 1987-08-14 1989-02-17 Boucledor Sa Bracelet clasp
US5259540A (en) * 1989-04-25 1993-11-09 Skidata Computer Gesellschaft M.B.H. Data carrier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1568617A (en) * 1925-03-05 1926-01-05 Rex Mfg Co Extension attachment for flexible bracelets
FR670664A (en) * 1929-03-01 1929-12-02 Deployment system allowing to vary the diameter of the bracelets formed by means of articulated links
US1830042A (en) * 1930-12-10 1931-11-03 Hadley Company Inc Bracelet attachment
CH278356A (en) * 1950-08-26 1951-10-15 Bieri Edgardo Safety lock, especially for watch straps.
FR1473280A (en) * 1966-02-01 1967-03-17 Advanced deployment clasp, for bracelet, ID tag and similar items

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1568617A (en) * 1925-03-05 1926-01-05 Rex Mfg Co Extension attachment for flexible bracelets
FR670664A (en) * 1929-03-01 1929-12-02 Deployment system allowing to vary the diameter of the bracelets formed by means of articulated links
US1830042A (en) * 1930-12-10 1931-11-03 Hadley Company Inc Bracelet attachment
CH278356A (en) * 1950-08-26 1951-10-15 Bieri Edgardo Safety lock, especially for watch straps.
FR1473280A (en) * 1966-02-01 1967-03-17 Advanced deployment clasp, for bracelet, ID tag and similar items

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH641332A5 (en) * 1982-11-19 1984-02-29 Boucledor Sa Clasp
FR2619292A1 (en) * 1987-08-14 1989-02-17 Boucledor Sa Bracelet clasp
US5259540A (en) * 1989-04-25 1993-11-09 Skidata Computer Gesellschaft M.B.H. Data carrier

Also Published As

Publication number Publication date
CH627929A5 (en) 1982-02-15

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