EP1374716A1 - Fermoir pour bracelet - Google Patents
Fermoir pour bracelet Download PDFInfo
- Publication number
- EP1374716A1 EP1374716A1 EP02014410A EP02014410A EP1374716A1 EP 1374716 A1 EP1374716 A1 EP 1374716A1 EP 02014410 A EP02014410 A EP 02014410A EP 02014410 A EP02014410 A EP 02014410A EP 1374716 A1 EP1374716 A1 EP 1374716A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pusher
- arms
- cam
- clasp
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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 clasps, of the type intended to connect, of removably, the two ends of a bracelet, for example of a wrist watch. It is more particularly a folding clasp, comprising two rigid arms, connected to each other in an articulated manner to one of their ends and a locking system. Arms can occupy an open position, allowing the wearer to remove or slide the bracelet on the wrist, and a closed position in which the two arms are releasably secured to each other by means of the system lock.
- clasps of the type comprising two rigid arms connected to each other by means articulation located at one of their ends. Each of their other end is provided with means of attachment to the bracelet.
- one of these clasps has a locking system in two parts each arranged on one of the two arms.
- the upper arm is with a piton having a lateral slit and a domed head, while the lower arm is crossed transversely by a housing generally cuboid.
- the wall of the housing in contact with the upper arm is drilling a hole placed opposite the peak when the two arms are assembled.
- a pusher also pierced with a hole, is mounted mobile in the housing and held in place by a spring.
- the hole is positioned substantially in look of the hole drilled in the lower arm. So depending on the position of the pusher, the orifice opposite the peak, formed by the superimposition of the holes formed in the pusher and in the housing, is sometimes a circle, sometimes a portion of a circle.
- the locking system further comprises a blocking likely to occupy first and second positions allowing respectively actuation and blocking of the pusher when the arms are kept closed by both parts of the locking system.
- the blocking member consists of a cam, mounted tilting in the arm in which the pusher is mounted and comprising a cutout defining a finger, on one of its sides, which serves as a guide for a rod and a spring interposed between the rod and the cam, forming said member elastic and applying the rod against the pusher.
- the cam when the cam occupies its first position, the rod is in abutment against one of the ends of the pusher, so that if a pressure is exerted on the latter, it drives the rod, which arms the spring.
- the pusher can therefore be moved in its housing by a pressure at its free end.
- the spring returns it to the rest position when the pressure is interrupted.
- the cam occupies its second position, the finger is pressing against the pusher, the latter being thus blocked.
- the cam has, on the side opposite the pusher, an appendage protruding from sides of the arm in which it is mounted, so as to form a lever that the user can operate to switch the cam from one to the other of its two positions.
- the locking system is notched, the bearing surface of the rod against the pusher consists of a plurality of concave portions, the relief which separates them constituting this notch.
- the first part comprises a peak and the second part a spring arranged to cooperate with the stud so as to lock the parts to each other when the arms are closed, and to fade when said piton is engaged there.
- the first part comprises a peak and the second part a spring arranged to cooperate with the stud so as to lock the parts to each other when the arms are closed, and to fade when said piton is engaged there.
- the piton has a groove
- the spring is a wire spring, whose diameter is slightly less than the width of the piton's throat. The engagement of this spring in the groove ensures the locking of the two parts.
- FIG. 1 shows a clasp for a bracelet according to the invention, comprising two rigid arms upper 10 and lower 12, connected to each other by articulation means 14 located at one of their ends. Each at their other end is provided with means 16 for fixing to a bracelet.
- the clasp has a two-part locking system 18 and 20, arranged respectively on the lower 12 and upper 10 arms, at neighborhood of the fixing means 16.
- the lower arm 12 has a seat 21 and two branches 22 and has a U shape.
- the part 18 of the clasp is mounted at the level of the seat 21
- the branches of the U 22 end with the articulation means 14 connecting the arms 10 and 12 to each other.
- the arm 10 consists of a single blade 24 whose width is slightly less than the width of the free space separating the branches 22. This space accommodates the upper arm 10 when the two arms are brought together to close the clasp.
- the arm 10 has, in its length, an elbow which defines a first part 26 and a second flat part 28 which comprises part 20 of the clasp. The curvature of the elbow is dimensioned so as to that, when the clasp is in the closed position, the profiles of part 26 and of the arm 12 are combined while the part 28 is superimposed on the seat 21 arm 12.
- the lower arm 12 is crossed transversely by a housing 30 generally parallelepiped (figure 2b), practiced in the seat 21, closed, on one side, by an insert 31 and provided with two protrusions 32 with concave contours, which form a narrowing 33 at one of its ends.
- This housing 30 is intended to receive component parts of part 18 of the locking system.
- the plunger 34 is mounted movably in the housing 30 passing through the arm 12.
- One end of the pusher 34 extends beyond one of the sides of the arm 12, so as to form a button 42 on which a user can press to activate push-button 34.
- Cutting its second end has four concave portions 44a, 44b, 44c, 44d arranged at an angle along the path of tilting of the cam 40, so as to leave free the translation of the pusher and that it can occupy all positions, except for its second extreme position, without being in contact with the pusher 34.
- the cam 40 is particularly illustrated in FIG. 3. It also takes place in the housing 30, in the extension of the pusher 34, on the side of the protrusions 32. Opposite the pusher 34, it has a cutout 46, so that it defines a finger 48 on one of the sides of the cut. This the latter serves as a guide for a rod 50 which is mounted therein mobile. Rod 50, secured to a spring 52, rests on one or the other of the concave portions 44, which arms the spring 52 and allows the pusher 34 to resume automatically its initial position after being actuated.
- the cam 40 On the side opposite the pusher 34, the cam 40 has circular contours 54 and an appendage 56 protruding from the sides of the arm 12 through the narrowing 33 formed in the thickness of the arm 12 by the protrusions 32, so as to constitute a lever which the user can actuate to make tilt the cam 40.
- the tilting of the cam 40 is guided by the pressing of its circular contours 54 on the concave contours of the protrusions 32, provided by spring pressure 52.
- the rod 50 is engaged in the concave portion 44b and the finger 48 is disposed next to portion 44a, which is deep enough for the pushbutton can be actuated without it coming up against the cam 40.
- the portion 44a and the finger 48 may have other shapes, adapted to each other so that, in the unlocked position of the cam, the finger does not prevent movement of the pusher 34.
- FIG. 2b illustrating the same part 18 of the clasp, but this time when the cam 40 occupies its second position extreme, in which any translation of the pusher 34 is prevented.
- the two extreme positions of the cam 40 are defined by the stop of appendix 56 on the protrusions 32.
- the rod 50 In the first of these positions, the rod 50 is engaged in the concave portion 44b the pusher 34 being unlocked. In the second of these positions, the rod 50 is engaged in the concave portion 44d and finger 48 in the concave portion 44c, the latter blocking pusher 34.
- the housing 64 of length substantially equal to that of the opening 38, is superimposed on it when the arms are closed. Its depth is sufficient to receive the piton 36.
- the spring 66 has that a degree of freedom and that the movable end can only deviate towards outside of arm 10.
- the diameter of the spring 66 is slightly less than the width of the groove 62 of the peak 36.
- the height between the bottom of the housing 64 and the spring 66 is substantially the same as that separating groove 62 from top of head 60.
- Opening the clasp requires actuation of the plunger 34, so as to laterally move the head 60 until the spring 66 is next to it groove 62. So if we place appendix 56 of cam 40 in the second extreme position described above, the head 60 can no longer be moved and the clasp is locked. It is then impossible to open the clasp.
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- Buckles (AREA)
Abstract
Description
- deux parties, chacune solidaire de l'un desdits bras, mobiles l'une en référence à l'autre et susceptibles d'occuper une première position, dans laquelle elles coopèrent pour maintenir les bras fermés, et une deuxième position dans laquelle elles sont libres l'une en référence à l'autre pour permettre l'ouverture des bras, et
- un poussoir, monté mobile sur l'un des bras et agencé pour assurer le déplacement de l'une des parties en référence à l'autre, de manière à ce qu'elles passent de la première à la deuxième position, et
- un organe élastique coopérant avec le poussoir est agencé de manière à ce que lesdites parties passent de la deuxième à la première position.
- la figure 1 est une vue en perspective des deux bras assemblés, en position ouverte; et
- la figure 2 montre une vue en coupe du système de verrouillage, respectivement en position déverrouillée en a et verrouillée en b; et
- les figures 3 et 4 représentent des pièces constitutives du système de verrouillage.
- un poussoir 34 monté mobile en translation dans le logement 30, du côté opposé à celui comportant les protubérances 32,
- un piton 36, rendu solidaire du poussoir 34 par exemple par soudage, dépassant du bras par une ouverture oblongue 38 de longueur définissant le débattement du poussoir et ménagée dans la paroi du logement 30, et destiné à coopérer avec la partie 20 du fermoir pour l'accrochage des deux parties 18 et 20, au moyen d'une tête 60 dont l'extrémité libre est bombée et d'une gorge 62 disposée sous la tête (figure 4), et
- une came 40, montée basculante dans le logement 30 du côté de son extrémité rétrécie, pouvant notamment occuper une première position extrême dans laquelle elle laisse libre la translation du poussoir (figure 2a) et une deuxième position extrême dans laquelle toute translation est bloquée (figure 2b).
- un logement 64 ménagé sur la face inférieure du bras 10, disposé latéralement et ouvert sur un côté,
- une rainure 68 orientée longitudinalement sur le côté dans lequel le logement 64 est ouvert,
- un trou 69 percé à l'extrémité de la rainure 68 opposée aux moyens de fixation 16, et
- un ressort-fil 66, logé dans la rainure 68 bordant le logement 64 et fixé dans le trou 69, avantageusement par soudage.
Claims (8)
- Fermoir dépliant pour bracelet, comportant deux bras rigides (10, 12) reliés l'un à l'autre de manière articulée à l'une de leurs extrémités et un système de verrouillage comprenant :deux parties (18, 20), chacune solidaire de l'un desdits bras, mobiles l'une en référence à l'autre et susceptibles d'occuper une première position, dans laquelle elles coopèrent pour maintenir les bras fermés, et une deuxième position dans laquelle elles sont libres l'une en référence à l'autre pour permettre l'ouverture des bras (10, 12),un poussoir (34), monté mobile sur l'un des bras et agencé pour assurer le déplacement de l'une des parties en référence à l'autre, de manière à ce qu'elles passent de la première à la deuxième position, etun organe élastique coopérant avec le poussoir (34) est agencé de manière à ce que lesdites parties (18, 20) passent de la deuxième à la première position,
- Fermoir selon la revendication 1, caractérisé en ce que l'organe de blocage est constitué d'une came (40), montée basculante dans le bras dans lequel est monté le poussoir, et comportant une découpe (46) définissant un doigt (48) sur l'un de ses côtés qui sert de guide à une tige (50) et à un ressort (52) intercalé entre la tige (50) et la came (40), formant ledit organe élastique et appliquant ladite tige (50) contre le poussoir (34).
- Fermoir selon la revendication 2, caractérisé en ce que, dans la deuxième position de la came (40), le doigt (48) est en appui contre le poussoir (34).
- Fermoir selon l'une des revendications 2 et 3, caractérisé en ce que la came (40) comporte, du côté opposé au poussoir (34), un appendice (56) dépassant des côtés du bras dans lequel elle est montée, de manière à former un levier que l'utilisateur peut actionner pour faire basculer ladite came (40) de l'une à l'autre des ses deux positions.
- Fermoir selon l'une des revendications 1 à 4, caractérisé en ce que le système de verrouillage est à cran.
- Fermoir selon la revendication 5, caractérisé en ce que la surface d'appui du poussoir (34) sur la tige (50) est constituée d'une pluralité de portions concaves (44), le relief qui les sépare constituant ledit cran.
- Fermoir selon la revendication 1, caractérisé en ce que la première partie (18) comprend un piton (36) et la deuxième partie (20) un ressort (66) agencé pour coopérer avec ledit piton (36) de manière à verrouiller les parties l'une à l'autre lorsque les bras (10, 12) sont fermés, et pour s'effacer lorsque ledit piton (36) y est engagé.
- Fermoir selon la revendication 7, caractérisé en ce que le piton (36) comporte une gorge (62), en ce que le deuxième ressort (66) est un ressort-fil, dont le diamètre est légèrement inférieur à la largeur de la gorge (62) du piton (36) et en ce que son engagement dans ladite gorge (62) assure le verrouillage des deux parties (18, 20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20020014410 EP1374716B1 (fr) | 2002-06-28 | 2002-06-28 | Fermoir pour bracelet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20020014410 EP1374716B1 (fr) | 2002-06-28 | 2002-06-28 | Fermoir pour bracelet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1374716A1 true EP1374716A1 (fr) | 2004-01-02 |
EP1374716B1 EP1374716B1 (fr) | 2009-10-14 |
Family
ID=29716859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020014410 Expired - Lifetime EP1374716B1 (fr) | 2002-06-28 | 2002-06-28 | Fermoir pour bracelet |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1374716B1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102613783A (zh) * | 2012-03-05 | 2012-08-01 | 陈其宗 | 一种表带扣结构 |
CN102613782A (zh) * | 2012-03-05 | 2012-08-01 | 陈其宗 | 一种手表带扣 |
EP2721943A1 (fr) | 2012-10-16 | 2014-04-23 | Rolex Sa | Articulation élastique pour assemblage horloger |
CN103767256B (zh) * | 2012-10-16 | 2016-11-30 | 劳力士有限公司 | 钟表组件的弹性铰接 |
CN107647538A (zh) * | 2017-11-17 | 2018-02-02 | 深圳市蓝丝腾科技有限公司 | 一种易于佩戴的穿戴式智能手环 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101966029A (zh) * | 2010-11-11 | 2011-02-09 | 赵威 | 前置多功能内扣式珠链首饰锁扣 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2902181A1 (de) * | 1979-01-20 | 1980-07-24 | Reinhold Heckel | Druckknopfverschluss, insbesondere als schmuckkettenverschluss |
US4928359A (en) * | 1988-07-15 | 1990-05-29 | Omega Sa | Extendable bracelet clasp with fine adjustment |
EP0908112A1 (fr) * | 1997-03-31 | 1999-04-14 | Citizen Watch Co., Ltd. | Dispositif de verrouillage d'une boucle d'un accessoire en forme de ceinture |
-
2002
- 2002-06-28 EP EP20020014410 patent/EP1374716B1/fr not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2902181A1 (de) * | 1979-01-20 | 1980-07-24 | Reinhold Heckel | Druckknopfverschluss, insbesondere als schmuckkettenverschluss |
US4928359A (en) * | 1988-07-15 | 1990-05-29 | Omega Sa | Extendable bracelet clasp with fine adjustment |
EP0908112A1 (fr) * | 1997-03-31 | 1999-04-14 | Citizen Watch Co., Ltd. | Dispositif de verrouillage d'une boucle d'un accessoire en forme de ceinture |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102613783A (zh) * | 2012-03-05 | 2012-08-01 | 陈其宗 | 一种表带扣结构 |
CN102613782A (zh) * | 2012-03-05 | 2012-08-01 | 陈其宗 | 一种手表带扣 |
EP2721943A1 (fr) | 2012-10-16 | 2014-04-23 | Rolex Sa | Articulation élastique pour assemblage horloger |
CN103767256A (zh) * | 2012-10-16 | 2014-05-07 | 劳力士有限公司 | 钟表组件的弹性铰接 |
CN103767256B (zh) * | 2012-10-16 | 2016-11-30 | 劳力士有限公司 | 钟表组件的弹性铰接 |
US9635911B2 (en) | 2012-10-16 | 2017-05-02 | Rolex Sa | Elastic articulation for horological assembly |
CN107647538A (zh) * | 2017-11-17 | 2018-02-02 | 深圳市蓝丝腾科技有限公司 | 一种易于佩戴的穿戴式智能手环 |
Also Published As
Publication number | Publication date |
---|---|
EP1374716B1 (fr) | 2009-10-14 |
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