WO2018172253A1 - Fermoir a boucle deployante - Google Patents
Fermoir a boucle deployante Download PDFInfo
- Publication number
- WO2018172253A1 WO2018172253A1 PCT/EP2018/056832 EP2018056832W WO2018172253A1 WO 2018172253 A1 WO2018172253 A1 WO 2018172253A1 EP 2018056832 W EP2018056832 W EP 2018056832W WO 2018172253 A1 WO2018172253 A1 WO 2018172253A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clasp
- blades
- bracelet
- strands
- blade
- Prior art date
Links
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
-
- 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 clasp with a folding clasp for a timepiece bracelet and on the bracelet comprising such a clasp.
- the invention also relates to a timepiece comprising such a bracelet.
- a clasp with a folding clasp for a bracelet of a timepiece is generally disposed between two strands of this bracelet so as to remain permanently attached to the ends of these two strands.
- Such a clasp occupies two positions: a closed position, provided for the wearing of the timepiece, in which the bracelet and the clasp extend around the wrist circumference, presenting a total length allowing the part to be held watchmaking, and an open position that increases the length of the bracelet and the clasp, by removing the two ends of the two strands of the bracelet, without detaching the clasp, to allow the passage of the hand and the removal of the watch.
- the two strands of the bracelet are not disconnected, which minimizes the risk of falling of the watch.
- such a clasp conventionally comprises two mounted blades rotatably respectively at the two ends of a central blade, and foldable on the central blade and a push button device for unlocking the clasp for a passage of the latter from the closed position to the open position.
- a clasp presents the result of an assembly. complex of the parts of which it is constituted comprising in particular the push button device and the associated mechanism.
- Such a size has the effect of significantly altering the comfort of the wearing of the timepiece.
- this size has moreover a significant and negative impact on the aesthetic appearance of the clasp and therefore the timepiece.
- the present invention aims to overcome these disadvantages related to the state of the art.
- the invention relates to a clasp with a folding clasp for a timepiece bracelet that can occupy a closed position adapted to hold the bracelet around the wrist of its wearer and an open position adapted for the withdrawal of the wristband.
- the clasp being provided with a flexible locking member comprising pivotably mounted ends with first and second foldable blades hinged respectively to first and second strands of the bracelet, said flexible member being defined to maintain the first and second folded blades locked in the closed position of the clasp having two components connected to each other by an elastic connection.
- the flexible locking member is an elastic blade comprising said two components
- said two components each correspond to a blade
- the elastic connection comprises a linking arm defined in a body of each of the two components, in particular in an end of said body;
- the elastic connection comprises a connecting element connecting connecting arm of the two components together;
- the link arm is connected to a main part of the body of each component at one end and to a connection element at another opposite end of said arm;
- each component comprises a body, one end of which is provided with slots, in particular two slots, separating a part of a connecting arm from a main part of this body;
- the clasp comprises an outer face comprising a substantially convex or convex outer face of the flexible locking member and substantially concave or concave outer faces of the first and second blades;
- the first and second blades are rigid blades
- the first and second blades each comprise a frame comprising longitudinal members including two longitudinal members;
- the spars are parallel to each other, and
- the frame comprises a space defined between the longitudinal members adapted to accommodate a body of the component mounted to pivotally movable with the blade comprising said frame.
- the invention also relates to a bracelet for a timepiece comprising such a clasp with folding clasp.
- first and second strands of said bracelet each comprise at their free end a housing defined in an inner face of each of these strands.
- the housing is defined to receive one of the first and second blades comprising a body of a component pivotably mounted with said blade arranged in a defined space in a frame of this blade when the clasp is in a closed position .
- the housings defined in the first and second strands are able to receive first and second blades and a flexible locking member in a closed position of the clasp so that external faces of these first and second blades and a face internal of this flexible locking member and the inner faces of the free ends of the first and second strands are substantially in the same plane.
- the invention also relates to a timepiece comprising such a bracelet.
- FIG. 1 shows a schematic view of a clasp for a bracelet of a timepiece configured in an open position, according to the embodiment of the invention
- FIG. 2 is a perspective view of an inside face of a strand of the bracelet connected to the clasp, according to the embodiment of the invention.
- the clasp with folding clasp 1 may correspond to a “triple clasp with folding clasp” or to a clasp.
- “Clasp double folding clasp” which is defined in particular to be associated with a timepiece 3.
- this clasp 1 can be associated with any other bracelet 2, for any object to be fixed on a wrist or any other part.
- This object can be a scuba diving accessory such as a depth gauge or a scuba diving computer, for example, or a jewelery component.
- the bracelet 2 can be of any type, such as for example flexible plastic material, leather, or made by an assembly of metal links.
- the bracelet 2 of the timepiece 3 consists of two longitudinal portions of the bracelet 2, the first and second strands 7a, 7b of the bracelet 2, and each of the strands 7a, 7b is such that one of the ends is connected to a case of the timepiece 3 while the other end which is free is intended to cooperate with the clasp 1 so that the bracelet 2 is in a closed configuration or opening.
- each of these strands 7a, 7b comprises a housing 21 defined in an inner face 22a of each of these strands 7a, 7b.
- This housing 21 comprises a bottom and three walls bordering the bottom: two side walls 23 and a rear wall 24. Note that the side walls 23 are preferably substantially parallel to each other, and perpendicular to the rear wall 24. In this configuration, the housing 21 has an opening in a front edge 25 of the end of each of these strands 7a, 7b.
- the first and second strands 7a, 7b also each comprise at this free end through holes opening into the side walls 23 of the housing 21 and in side walls 26 of each of these two strands 7a, 7b.
- This clasp 1 is able to occupy a closed position adapted for maintaining the bracelet 2 around the wrist of its wearer and a second open position adapted for the removal of the bracelet 2 from the hand of its wearer.
- Such a clasp 1 comprises three elements 4, 6a, 6b: first and second blades 6a, 6b folding preferably rigid and a flexible locking member 4.
- These elements 4, 6a, 6b, the clasp are preferably made of a material similar in particular a metallic material.
- these elements 4, 6a, 6b can form a one-piece assembly, in these conditions the clasp 1 can then be a single piece or monolithic.
- this clasp 1 also has outer and inner faces 15a, 15b.
- the outer face 15a visible in Figure 1 comprises the outer face 1 6a of the flexible member 4 and the outer faces 17a of the first and second blades 6a, 6b.
- the inner face 15b comprises the inner face 16b of the flexible member 4 and inner faces 17b of the first and second blades 6a, 6b
- the flexible locking member 4 comprises ends 5 pivotally mounted with the first and second blades 6a, 6b folding in the housings 21 defined in the lower faces 22a of the ends of the first and second strands 7a, 7b .
- these first and second blades 6a, 6b are pivotably mounted at the two ends 5 of the flexible member 4 about respectively a first connecting axis A1 and a second connecting axis A2.
- These first and second blades 6a, 6b each comprise a frame 18.
- This frame 18 comprises longitudinal members 19a, 19b in particular two longitudinal members, and a base 19c. These rails 19a, 19b are substantially parallel to each other and perpendicular to the base 19c. Under these conditions, the frame 18 has the shape substantially of a "U".
- These longitudinal members 19a, 19b comprise first ends connecting the first second blades 6a, 6b to the ends 5 of the flexible member 4 respectively from the first and second connecting axes A1, A2.
- the base 19c is arranged by connecting second ends of the longitudinal members 19a, 19b between them.
- This base 19c comprises a through opening opening in external lateral faces of the longitudinal members 19a, 19b and therefore of the frame 18.
- this through opening and the corresponding through holes are defined to be traversed by a fixing bar or a fixing rod so as to achieve:
- first and second connecting axes A1, A2 are respectively opposed to the first and second attachment axes A3, A4.
- these first and second connecting axes A1, A2 and these first and second attachment axes A3, A4 can be made from any appropriate hinge means for articulating the first and second blades 6a, 6b with :
- the frame 18 of each of these first and second blades 6a, 6b comprises a space 20 defined between the longitudinal members 19a, 19b.
- this space 20 is defined in the frame 18 of the first blade 6a, between these longitudinal members 19a, 19b, the first connecting axis A1 and the first attachment axis A3.
- this space 20 is defined between the longitudinal members 19a, 19b, the second connecting axis A2 and the second attachment axis A4.
- these spaces 20 are provided to accommodate the flexible member 4 of the clasp 1.
- this space 20 may correspond to an opening defined in each first and second blade 6a, 6b connecting the outer and inner faces 17a, 17b of each of these blades 6a, 6b and therefore of their frame 18.
- the face outer 17a of each first and second blade 6a, 6b is preferably substantially concave or concave.
- such a space 20 defined in the frame 18 of one of the two blades 6a, 6b is provided to accommodate in particular a body of one of the components 8a, 8b of the flexible member 4 described in the following mounted pivotally movable with said frame 18 of the blade 6a, 6b.
- this space 20 has a shape that is complementary to that of the body of one of the components 8a, 8b of the flexible member 4.
- this body has a thickness which is less than or equal to thickness of the frame 18 of each of the first and second blades 6a, 6b.
- This flexible member 4 is in particular defined to hold the first and second blades 6a, 6b folded in the housings 21 defined in the inner faces 22a of the strands 7a, 7b of the bracelet 2, locked in the closed position of the clasp 1.
- This flexible member 4 comprises the two components 8a, 8b connected together by an elastic connection 9.
- the flexible member 4 and in particular this elastic connection 9 participates in ensuring the kinematics of the clasp 1 more precisely it participates in the realization of its locking and unlocking and / or at its configuration in a closed or open position.
- these two components 8a, 8b preferably each correspond to a blade.
- the flexible member 4 is an elastic blade or a flexible blade. In other words, in such a variant, these two components 8a, 8b form this single elastic blade.
- This flexible member 4 also comprises the outer and inner faces 1 6a, 1 6b. The outer face 1 6a is preferably substantially convex or convex.
- this flexible member 4 is an elastic connection element different from a blade, in particular at the structural level and / or of the shape, and which is capable of interconnecting the first and second blades 6a, 6b.
- the clasp 1 then comprises two blades 6a, 6b, the first and second blades 6a, 6b, and the flexible member 4. It is thus clear that in this embodiment of the invention, the clasp 1 comprises at least two blades.
- Such a flexible member 4 thus comprises these two components 8a, 8b and a connecting element 1 1 participating in the elastic connection 9 between these two components 8a, 8b.
- This connection element January 1 is arranged in a central part of this body 4.
- This elastic connection 9 between the two components 8a, 8b thus comprises the connection element 1 1 and connecting arms 10a, 10b defined in the body of each of the components 8a, 8b in particular in an end of this body.
- the body of each component 8a, 8b comprises a main portion 12a, 12b and the connecting arm 10a, 10b.
- This connecting arm 10a, 10b comprises side walls 27 which are separated from the main part 12a, 12b of the body of each component 8a, 8b by slots 14 formed in this body.
- the end of the body of each component 8a, 8b is provided with these slots 14 including two slots 14 which are intended to separate a portion of the connecting arm 10a, 10b of the main portion 12a, 12b of this body.
- each connecting arm 10a, 10b is connected to the main part 12a, 12b of the body of each component 8a, 8b at one end 13a and to the connection element 11 at another opposite end 13b of said arm 10a, 10b.
- connection 9 participates in giving the flexible member 4 elastic characteristics.
- the connecting arms 10a, 10b and the connecting element 1 1 can be moved in a direction substantially perpendicular or perpendicular to the outer and inner faces 1 6a, 1 6b of the flexible member 4 in particular relative to the main parts 12a , 12b of the body of the components 8a, 8b, during the locking or unlocking of the clasp 1.
- the flexible member 4 is manipulated. so as to cause the first and second blades 6a, 6b foldable in a pivoting movement about the first and second axes A1, A2 towards the housings 21 defined in the free ends of the strands 7a, 7b of the bracelet 2.
- the bodies of the components 8a, 8b of the flexible member 4 are positioned progressively and as the first and second blades 6a, 6b move towards the housings 21, in the spaces 20 defined in the frames 18 of these blades 6a, 6b .
- the flexible member 4 during this operation, gradually bandages under the tensile stress to exceed a critical point, constituting an unstable equilibrium point, beyond which the flexible member 4 tends to relax. Indeed, when this critical point is reached, the tension of the flexible member 4 is maximum and once this critical point is exceeded, the flexible member 4 seeks to relax and then drives the connection element 1 1 in a housing which is defined between the first and second blades 6a, 6b and in particular between the bases 19c of the frames 18 of these first and second blades 6a, 6b. The clasp 1 is then in the closed position visible in FIGS. 3 to 5.
- the flexible member 4 retains a prestressing tension which cancels any residual clearance.
- a tensile force exerted on the first and second blades 6a, 6b via the first and second strands 7a, 7b of the bracelet 2 to which they are connected and directed substantially parallel to their respective longitudinal axis A5 has for not only effect not to tend towards the opening of the clasp 1 but on the contrary increases the locking force thereof.
- the wearer exerts a force on the first and / or second blades 6a, 6b via the first and / or second strand 7a, 7b (in particular from the end first and / or second strand 7a, 7b), directed essentially perpendicularly to an outer face 22b of the ends of these strands 7a, 7b, to move the first and / or second blades 6a, 6b relative to the flexible member 4.
- This operation must be continued until the critical point where the The tension of the flexible member 4 is maximum. Once this critical point is exceeded, the flexible member 4 relaxes causing its deployment and also that of the first and second blades 6a, 6b.
- the clasp 1 is thus in its open position illustrated in FIG. 1 in which the flexible member 4 is in an unconstrained state and is totally free to pivot about the first and second connection axes A1, A2, just like the first and second blades 6a, 6b with this flexible member 4 and also with the first and second strands 7a, 7b around the first and second attachment axes A3, A4.
- the force required for the locking and unlocking of the clasp 1 according to the invention depends in particular on the elastic properties of the flexible member 4 and in particular on the characteristics of the elastic connection 9 made between the components 8a, 8b of this member 4.
- the configuration of this elastic connection 9 can be made so that the pulling force required to unlock the clasp 1 is important making the clasp 1 even safer.
- the clasp 1 offers numerous advantages including that of integrating such a clasp 1 into a thickness of the ends of the first and second strands 7a, 7b of the bracelet 2 by an arrangement of the flexible member 4 and first and second blades 6a, 6b in housings 21 defined in these strands 7a, 7b when the clasp 1 is in the closed position.
- the clasp 1 in this closed position, the clasp 1 is not visible from the outside and therefore it does not harm the overall aesthetic of the bracelet 2 and / or the timepiece 3 thus leaving the possibility to customize this bracelet 2 and / or the timepiece 3 without affecting the operation of the clasp 1.
- this clasp 1 makes it possible to improve the comfort associated with the wearing of the timepiece 3 in comparison with the discomfort provided by the extra thickness resulting from the clasp clasps of the state of the art.
Landscapes
- Buckles (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020197031341A KR102579738B1 (ko) | 2017-03-23 | 2018-03-19 | 접히는 버클 걸쇠 |
US16/493,399 US11234496B2 (en) | 2017-03-23 | 2018-03-19 | Folding buckle clasp |
JP2019552009A JP7203036B2 (ja) | 2017-03-23 | 2018-03-19 | 折り畳み式バックル留金 |
CN201880019855.5A CN110913720B (zh) | 2017-03-23 | 2018-03-19 | 折叠式的搭扣 |
EP18712852.5A EP3599930B1 (fr) | 2017-03-23 | 2018-03-19 | Fermoir a boucle deployante |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00379/17 | 2017-03-23 | ||
CH00379/17A CH713613B1 (fr) | 2017-03-23 | 2017-03-23 | Fermoir à boucle déployante |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018172253A1 true WO2018172253A1 (fr) | 2018-09-27 |
Family
ID=61763961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2018/056832 WO2018172253A1 (fr) | 2017-03-23 | 2018-03-19 | Fermoir a boucle deployante |
Country Status (7)
Country | Link |
---|---|
US (1) | US11234496B2 (fr) |
EP (1) | EP3599930B1 (fr) |
JP (1) | JP7203036B2 (fr) |
KR (1) | KR102579738B1 (fr) |
CN (1) | CN110913720B (fr) |
CH (1) | CH713613B1 (fr) |
WO (1) | WO2018172253A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB405452A (en) * | 1932-01-15 | 1934-02-08 | Georg Kurz Junior | Bracelet |
EP1074198A1 (fr) * | 1999-08-02 | 2001-02-07 | Meliga Habillement Horloger S.A. | Bracelet pourvu d'un système de fermeture à boucle déployante |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1839788A (en) * | 1930-05-29 | 1932-01-05 | Gen Chain Company | Foldable extension device |
US2532840A (en) * | 1948-02-03 | 1950-12-05 | Kreisler Mfg Corp Jacques | Folding extension device |
CH633698A5 (en) * | 1979-09-26 | 1982-12-31 | Nemi Sa | Bracelet with clasp |
FR2705873B1 (fr) * | 1993-06-03 | 1995-08-11 | Ferrario Luigi | Fermoir du type à boucle déployante pour bracelet. |
FR2735335B1 (fr) * | 1995-06-15 | 1997-08-01 | Smh Management Services Ag | Fermoir de bracelet a boucle deployante |
JPH10127318A (ja) * | 1996-10-30 | 1998-05-19 | Glory:Kk | 時計バンド用バックル |
TW564699U (en) * | 1996-11-06 | 2003-12-01 | Smh Man Services Ag | Clasp with unfolding buckle |
DE19729903A1 (de) * | 1997-07-12 | 1999-01-14 | Jaeger Lecoultre Sa | Armband |
FR2782250B1 (fr) * | 1998-08-14 | 2000-11-10 | Boucledor Sa | Fermoir du type portefeuille pour bracelet |
JP4149613B2 (ja) * | 1999-05-17 | 2008-09-10 | シチズンホールディングス株式会社 | 時計バンドの中留構造 |
ATE250358T1 (de) * | 2000-03-23 | 2003-10-15 | Richemont Int Sa | Armbandverschluss |
FR2842081B1 (fr) * | 2002-07-11 | 2004-08-27 | Chatelain Sa G & F | Fermoir automatique pour bracelet-montre |
US6792652B2 (en) * | 2003-02-25 | 2004-09-21 | Luigi Ferrario | Unfolding clasp for bracelet |
US7107790B2 (en) * | 2003-10-14 | 2006-09-19 | Nike, Inc. | Flexible band |
CN203279935U (zh) * | 2013-04-22 | 2013-11-13 | 裘里斯杨 | 表带扣组件 |
EP2870893B1 (fr) * | 2013-11-07 | 2016-06-08 | The Swatch Group Management Services AG | Fermoir de bracelet |
US9486042B2 (en) * | 2014-06-05 | 2016-11-08 | Google Technology Holdings LLC | Wristband with recessed clasp and method of assembling and operating same |
JP6749540B2 (ja) * | 2014-09-19 | 2020-09-02 | アダマンド並木精密宝石株式会社 | バックル、腕時計、及びバックル又は腕時計の製造方法 |
USD820140S1 (en) * | 2016-08-15 | 2018-06-12 | Garmin Switzerland Gmbh | Watch band |
-
2017
- 2017-03-23 CH CH00379/17A patent/CH713613B1/fr unknown
-
2018
- 2018-03-19 EP EP18712852.5A patent/EP3599930B1/fr active Active
- 2018-03-19 US US16/493,399 patent/US11234496B2/en active Active
- 2018-03-19 WO PCT/EP2018/056832 patent/WO2018172253A1/fr unknown
- 2018-03-19 CN CN201880019855.5A patent/CN110913720B/zh active Active
- 2018-03-19 JP JP2019552009A patent/JP7203036B2/ja active Active
- 2018-03-19 KR KR1020197031341A patent/KR102579738B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB405452A (en) * | 1932-01-15 | 1934-02-08 | Georg Kurz Junior | Bracelet |
EP1074198A1 (fr) * | 1999-08-02 | 2001-02-07 | Meliga Habillement Horloger S.A. | Bracelet pourvu d'un système de fermeture à boucle déployante |
Also Published As
Publication number | Publication date |
---|---|
CH713613B1 (fr) | 2021-03-15 |
CN110913720A (zh) | 2020-03-24 |
JP7203036B2 (ja) | 2023-01-12 |
EP3599930B1 (fr) | 2021-05-19 |
US20200008543A1 (en) | 2020-01-09 |
US11234496B2 (en) | 2022-02-01 |
JP2020513981A (ja) | 2020-05-21 |
CN110913720B (zh) | 2022-01-11 |
EP3599930A1 (fr) | 2020-02-05 |
KR20190126435A (ko) | 2019-11-11 |
KR102579738B1 (ko) | 2023-09-19 |
CH713613A2 (fr) | 2018-09-28 |
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