EP0867132A1 - Fermoir de type automatique notamment pour bracelet-montre - Google Patents
Fermoir de type automatique notamment pour bracelet-montre Download PDFInfo
- Publication number
- EP0867132A1 EP0867132A1 EP98400712A EP98400712A EP0867132A1 EP 0867132 A1 EP0867132 A1 EP 0867132A1 EP 98400712 A EP98400712 A EP 98400712A EP 98400712 A EP98400712 A EP 98400712A EP 0867132 A1 EP0867132 A1 EP 0867132A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- spring
- pressing
- support element
- pressing element
- 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
Links
- 238000005452 bending Methods 0.000 claims description 12
- 210000000707 wrist Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/18—Fasteners for straps, chains or the like
- A44C5/22—Fasteners for straps, chains or the like for closed straps
- A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
- A44C5/243—Automatic folding spring closure
Definitions
- the present invention relates to a clasp of the type automatic opening / closing, especially for watch bands.
- clasps that are essentially consisting of two mounted elements pivoting relative to each other at the ends respective of which the two ends are connected free of the strands constituting a watch bracelet. Both elements constituting such a clasp are thus able to occupy two positions, namely a first position, or closed position, in which the two elements are locked to each other by holding means mechanical, and a second position, or position opening, in which these two elements are released, thereby increasing the overall diameter of the watch strap so that the user can easily insert or remove it from his wrist.
- a disadvantage of this type of clasp is that, in open position, the two elements cannot pivot beyond an angle of 180 °, which sometimes makes it difficult inserting the user's wrist into the bracelet.
- any openness exerted on these two elements, which tends to rotate them beyond a aligned position, has the effect of deteriorating irremediable the clasp.
- the object of the present invention is to remedy these disadvantages by proposing a clasp of this type which, in open position, allows two pivoting elements which constitute it to pivot beyond an angle of 180 °.
- the present invention thus relates to a clasp, in particular for a watch strap, of the type comprising at least two elements, namely, a first element, or element support, and a second element, or pressure element, which are linked at one of their ends by a joint, their other ends being respectively fixed on the free ends of two parts to be joined,
- the element support comprising a bending spring which requests a extension of the pressing element beyond the joint, in two stable equilibrium positions, at know a first position, or closed position, in which he applies the pressing element to the element support, and a second position, or open position, in which he separates the two elements from each other, characterized in that the pressing element comprises at least a light adjacent to the joint, the dimensions of which are such that it allows the bending spring, when the pressing element is in the open position, to cross this light so as not to solicit any more said pressing element.
- the clasp pressing element can have a shape global close to that of the support element, and its width may be such that it can, in the position of closing, recessed at least partially in a housing provided in the support element.
- the articulation of the clasp can consist of a transverse axis which is integral with the support element and which is slightly offset towards the outside of it, in the direction of the pressing element when it located in the closed position.
- the bending spring can be fixed on the support element by any means, and in particular by riveting, by embedding etc ...
- the face of the active end of the spring is supported on the joint when the pressing element is in the open position and the outer side of the other end of the spring is supported on the internal face of the support element.
- the face internal of the central part of the spring can be supported on an external face of a holding element integral with the support element.
- the present invention also relates to a clasp consisting of three elements, namely an element support comprising at each of its ends a articulation on which a pressing element is mounted, the support element comprising at each of its ends a bending spring which requests an extension of the pressing element beyond the joint in two stable equilibrium positions, i.e. a position of closure in which he applies each element presser on the support element and an open position in which he spreads the pressing elements of the element support, each pressing element comprising at least one light adjacent to the joint, the dimensions of which are such that it allows the bending spring, when the pressing element is in the open position, to cross this light so as not to solicit any more the pressing element.
- Figure 1 is a view of the outer face of a clasp according to the invention in the open position.
- Figure la is an enlarged partial view of a end of the clasp pressing element shown on Figure 1.
- Figure 2 is a view of the inner side of the clasp shown in Figure 1.
- Figure 3 is a side view of the clasp shown in Figures 1 and 2, in the equilibrium position unstable, between closed position and position opening hours.
- Figure 4 is a side view in partial section enlarged clasp shown in Figure 3.
- Figure 5 is a side view in partial section enlarged clasp according to the invention shown in a opening position corresponding to maximum opening that it is possible to obtain with clasps of this type in accordance with the prior art.
- Figure 6 is a side view in partial section enlarged of the clasp shown in the closed position.
- Figure 7 is a side view in partial section enlarged clasp shown in the open position.
- Figure 8 is a side view in partial section enlarged clasp shown in open position maximum.
- Figure 9 is a perspective and sectional view partial enlarged of a first variant of implementation work of a clasp according to the invention.
- Figure 10 is a perspective view in section partial enlarged view of a second implementation variant of a clasp according to the invention.
- Figure 11 is a schematic side view of a third variant of implementation of a following clasp the invention.
- the clasp according to the invention basically consists of two elements namely a support element 1 and a pressure element 3 which are articulated by one of their respective ends around a transverse axis 5 which is integral with the element support 1.
- the clasp is intended to join two bands forming a watch strap which are not shown on the drawing.
- the end of the support element 1 is hollowed out a window 12, so as to form two extreme wings 7 between which the pressing element 3 takes place, this the latter being mounted articulated on axis 5.
- a spring of bending plane 9 is fixed by two rivets 11 on the face support element 1 (in the present text by internal face of the elements the face intended to come into contact with the wrist of the user, the external face being the other face of these elements) and, when the two elements 1 and 3 are in the extension of each other, as shown in the Figures 1,2 and 5, this spring 9 bears against the axis 5.
- the active end of the pressing element 3 (on will designate by active end of elements 1 and 3 that located near joint 5) is also hollowed out of a window 13, so that it ends itself by two wings 14 whose ends are joined by a transverse axis 19 on which a free sleeve 21 is mounted rotating on it.
- the support element 1 is hollowed out with an upper groove 2 which is intended to receive the pressing element 3 when it is in the closed position. Otherwise, in order to improve this embedding, the axis of rotation 5 is slightly offset towards the outside of the bracelet compared to to the general direction of the curved profile of the element support 1.
- each of the two respective elements 1 and 3 namely the ends 1a and 3a are of conventional type and are intended to receive, in a known manner, the two ends free bands that make up the watch strap.
- the spring 9 is secured to the support element 1 removably without the need for fixing by riveting.
- the active end of the spring 9 in contact with the hinge pin 5 and its other end is in contact, by its external face, with the internal face of a cavity 10 hollowed out in the support element 1.
- the internal face of the central part of the spring 9 is in contact with the external face of a holding element 18 which is integral of the support element 1.
- this central part is hollowed out with a cavity in which a nipple 22 of form takes place additional provided on the holding element 18.
- the active end of the spring 9 ' ends with a fork with two tines 25.25 'and the end corresponding to the pressing element 3 is hollowed out by two lights 13,13 'which are intended to let these ends when the pressing element 3 performs its pivoting movement backwards.
- the extension of the pressing element 3 beyond the axis of rotation 5 is consisting of an axial part 27 and two elements transverse 29,29 'on which the spring 9' comes in support to urge the pressing element 3 beyond the unstable equilibrium position shown in Figures 3 and 4 in order to bring it either to the position of closing either towards the open position.
- the following clasp consists of three elements, namely a support element 1 ', which is provided with two ends identical active ingredients, i.e. ends comprising an articulation 5 constituted by a transverse axis, of so as to receive pivotally at each of its ends a pressing element 3.3 'of the same type as that described previously.
- a support element 1 ' which is provided with two ends identical active ingredients, i.e. ends comprising an articulation 5 constituted by a transverse axis, of so as to receive pivotally at each of its ends a pressing element 3.3 'of the same type as that described previously.
- One such implementation is particularly interesting, especially when wishes to use metallic watch straps since it is therefore possible to have a clasp rigorously located in the middle of the bracelet watch.
Landscapes
- Buckles (AREA)
- Adornments (AREA)
- Outer Garments And Coats (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
Description
Claims (9)
- Fermoir, notamment pour bracelet-montre, du type comportant au moins deux éléments (1,3), à savoir, un premier élément, ou élément support (1,1'), et un second élément, ou élément presseur (3), qui sont liés à l'une de leurs extrémités par une articulation (5), leurs autres extrémités (la,3a) étant respectivement fixées sur les extrémités libres de deux parties à réunir, l'élément support (1,1') comportant un ressort de flexion (9,9') qui sollicite une prolongation de l'élément presseur (3) au-delà de l'articulation (5), dans deux positions d'équilibre stables, à savoir une première position, ou position de fermeture, dans laquelle il applique l'élément presseur (3) sur l'élément support (1), et une seconde position, ou position d'ouverture, dans laquelle il écarte les deux éléments (1,3) l'un de l'autre, caractérisé en ce que l'élément presseur (3) comporte au moins une lumière (13) adjacente à l'articulation (5), dont les dimensions sont telles qu'elle permette au ressort de flexion (9), lorsque l'élément presseur (3) se trouve dans la position d'ouverture, de traverser cette lumière (13) de façon à ne plus solliciter ledit élément presseur (3).
- Fermoir suivant la revendication 1 caractérisé en ce que les parties à réunir sont constituées de bandes et l'élément support (1) et l'élément presseur (3) sont galbés.
- Fermoir suivant l'une des revendications précédentes caractérisé en ce que l'élément presseur (3) a une forme globale voisine de celle de l'élément support (1), et sa largeur est telle qu'il peut, dans la position de fermeture, s'encastrer au moins en partie dans un logement (2) prévu dans l'élément support (1).
- Fermoir suivant la revendication 3 caractérisé en ce que l'articulation est constituée d'un axe transversal (5) qui est solidaire de l'élément support (1) et qui est légèrement décalée vers l'extérieur de celui-ci dans la direction de l'élément presseur (3) lorsque ce dernier se trouve dans la position de fermeture.
- Fermoir suivant l'une quelconque des revendications précédentes caractérisé en ce que le ressort de flexion (9) est fixé par rivetage sur l'élément support (1).
- Fermoir suivant l'une quelconque des revendications précédentes caractérisé en ce que le ressort de flexion (9) est fixé par encastrement sur l'élément support (1).
- Fermoir suivant la revendication 6 caractérisé en ce que la face externe de l'extrémité active du ressort (9) est en appui sur l'articulation (5) lorsque l'élément presseur (3) se trouve dans la position d'ouverture et la face externe de l'autre extrémité du ressort (9) est en appui sur la face interne de l'élément support (1).
- Fermoir suivant la revendication 7 caractérisé en ce que la face interne de la partie centrale du ressort (9) est en appui sur une face externe d'un élément de maintien (18) solidaire de l'élément support (1).
- Fermoir suivant l'une quelconque des revendications précédentes caractérisé en ce qu'il est constitué de trois éléments, à savoir un élément support (1') comportant à chacune de ses extrémités une articulation (5) sur laquelle est monté un élément presseur (3), l'élément support (1') comportant à chacune de ses extrémités un ressort de flexion (9) qui sollicite une prolongation de l'élément presseur (3) au-delà de l'articulation (5) dans deux positions d'équilibre stables, à savoir une position de fermeture, dans laquelle il applique chaque élément presseur (3) sur l'élément support (1'), et une position d'ouverture dans laquelle il écarte les éléments presseurs (3) de l'élément support (1,1'), chaque élément presseur (3) comportant au moins une lumière (13) adjacente à l'articulation (5), dont les dimensions sont telles qu'elle permette au ressort de flexion (9), lorsque l'élément presseur (3) se trouve dans la position d'ouverture, de traverser cette lumière (13) de façon à ne plus solliciter l'élément presseur (3).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9703690 | 1997-03-26 | ||
FR9703690A FR2761240B1 (fr) | 1997-03-26 | 1997-03-26 | Fermoir de type automatique notamment pour bracelet-montre |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0867132A1 true EP0867132A1 (fr) | 1998-09-30 |
EP0867132B1 EP0867132B1 (fr) | 2002-10-23 |
Family
ID=9505188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98400712A Expired - Lifetime EP0867132B1 (fr) | 1997-03-26 | 1998-03-26 | Fermoir de type automatique notamment pour bracelet-montre |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0867132B1 (fr) |
AT (1) | ATE226405T1 (fr) |
DE (1) | DE69808822T2 (fr) |
FR (1) | FR2761240B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2842081A1 (fr) * | 2002-07-11 | 2004-01-16 | Chatelain Sa G & F | Fermoir automatique pour bracelet-montre |
EP1464245A1 (fr) * | 2003-04-03 | 2004-10-06 | Jörg M. Hysek | Fermoir à boucle déployante |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR518031A (fr) * | 1919-05-28 | 1921-05-18 | Cornu & Cie | Fermoir de bracelet |
FR748166A (fr) * | 1932-01-16 | 1933-06-29 | Bracelet extensible | |
CH471556A (fr) * | 1968-04-22 | 1969-04-30 | Zelcaux Henri | Fermoir pour bracelet |
FR2710503A1 (fr) * | 1993-09-29 | 1995-04-07 | Dalacopoulos Alexandre | Dispositif de serrage réglable pour bracelets de montres. |
-
1997
- 1997-03-26 FR FR9703690A patent/FR2761240B1/fr not_active Expired - Lifetime
-
1998
- 1998-03-26 AT AT98400712T patent/ATE226405T1/de not_active IP Right Cessation
- 1998-03-26 DE DE69808822T patent/DE69808822T2/de not_active Expired - Lifetime
- 1998-03-26 EP EP98400712A patent/EP0867132B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR518031A (fr) * | 1919-05-28 | 1921-05-18 | Cornu & Cie | Fermoir de bracelet |
FR748166A (fr) * | 1932-01-16 | 1933-06-29 | Bracelet extensible | |
CH471556A (fr) * | 1968-04-22 | 1969-04-30 | Zelcaux Henri | Fermoir pour bracelet |
FR2710503A1 (fr) * | 1993-09-29 | 1995-04-07 | Dalacopoulos Alexandre | Dispositif de serrage réglable pour bracelets de montres. |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2842081A1 (fr) * | 2002-07-11 | 2004-01-16 | Chatelain Sa G & F | Fermoir automatique pour bracelet-montre |
WO2004006710A1 (fr) * | 2002-07-11 | 2004-01-22 | G & F Chatelain Sa | Fermoir automatique pour bracelet-montre |
US7337541B2 (en) | 2002-07-11 | 2008-03-04 | G & F Chatelain Sa | Automatic clasp for wristwatch strap |
CN1668222B (zh) * | 2002-07-11 | 2011-09-07 | G&F领主股份有限公司 | 手表带的自动搭扣的制造方法 |
EP1464245A1 (fr) * | 2003-04-03 | 2004-10-06 | Jörg M. Hysek | Fermoir à boucle déployante |
Also Published As
Publication number | Publication date |
---|---|
FR2761240B1 (fr) | 1999-04-23 |
DE69808822T2 (de) | 2003-08-07 |
DE69808822D1 (de) | 2002-11-28 |
FR2761240A1 (fr) | 1998-10-02 |
ATE226405T1 (de) | 2002-11-15 |
EP0867132B1 (fr) | 2002-10-23 |
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