EP3928652A1 - Verschlussvorrichtung für armbandverschluss - Google Patents

Verschlussvorrichtung für armbandverschluss Download PDF

Info

Publication number: EP3928652A1
Authority: EP; European Patent Office
Prior art keywords: axis; clasp; blade; bracelet; locking device
Prior art date: 2020-06-23
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

Application number

EP20181588.3A

Other languages

English (en)

French (fr)

Other versions

EP3928652B1 (de

Inventor

Thibaut Riotte

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.)

Rolex SA

Original Assignee

Rolex 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.)

2020-06-23

Filing date

2020-06-23

Publication date

2021-12-29

2020-06-23 Application filed by Rolex SA filed Critical Rolex SA

2020-06-23 Priority to EP20181588.3A priority Critical patent/EP3928652B1/de

2021-06-10 Priority to US17/343,926 priority patent/US11963589B2/en

2021-06-11 Priority to JP2021097836A priority patent/JP2022002691A/ja

2021-06-23 Priority to CN202110699035.9A priority patent/CN113974288A/zh

2021-12-29 Publication of EP3928652A1 publication Critical patent/EP3928652A1/de

2023-04-19 Application granted granted Critical

2023-04-19 Publication of EP3928652B1 publication Critical patent/EP3928652B1/de

Status Active legal-status Critical Current

2040-06-23 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
- A44C5/22—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 for a bracelet comprising at least one locking device. It also relates to a bracelet and a wristwatch as such comprising such a clasp.
the first solution is simple and consists in providing the ends of each strand with cooperation means, for example in the form of a simple loop and of a barb on the one hand cooperating with holes on the other.
cooperation means for example in the form of a simple loop and of a barb on the one hand cooperating with holes on the other.
Such a solution has the drawback that when opening the cooperation means, the two strands of the bracelet are immediately separated and entail a risk of the wristwatch falling.
Another solution consists in providing an intermediate element of the clasp type, arranged between the two bracelet strands, which always remains integral with the ends of these two strands.
a clasp occupies two positions: a closed position, intended for wearing the watch, in which the bracelet and the clasp extend around the periphery of the wrist, having a total length allowing the wristwatch to be worn, and a open position which makes it possible to increase the length of the bracelet and of the clasp, by separating the two ends of the two strands of the bracelet, without detaching them from the clasp, to allow the passage of the hand and the withdrawal of the watch.
the two strands of the bracelet are not separated, which minimizes the risk of the watch falling.
a clasp generally comprises two or three foldable blades, which are at least partly folded back on themselves in the closed position and deployed in the open position of the clasp. Locking and unlocking mechanisms are used to ensure that the closed position is held stable.
Locking and unlocking mechanisms are used to ensure that the closed position is held stable.
the document EP1654950 describes such a locking solution.
a first object of the invention is to provide a solution for locking a reliable and robust bracelet clasp.
a second object of the invention is to provide a solution for locking a bracelet clasp having minimal bulk.
a third object of the invention is to provide a solution for locking a bracelet clasp compatible with an aesthetic search for the appearance of the clasp.
the invention is based on a locking device for a bracelet clasp, characterized in that it comprises an actuating lever intended for the actuation of the locking device by a user, a locking element capable of cooperating with a complementary fastening element and in that it comprises an intermediate element connected on the one hand to the element locking by a first connecting device and connected on the other hand to the actuating lever by a second connecting device, at least one of these two connecting devices having at least two degrees of freedom.
the clasp according to the invention may include one or two locking devices, substantially identical, arranged for example symmetrically on the clasp.
the invention is based on a clasp provided with a locking mechanism using an actuating lever arranged directly in the cover of the clasp, or even on a blade of the clasp, in particular appearing as a movable part of the cover of the clasp.
a part can for example be presented as a simple cap of the cover.
the figures 1 and 2 show a clasp 100 for a bracelet according to one embodiment of the invention.
This clasp 100 comprises three blades, including two lateral blades 5, 5 ', called the first blade 5 and third blade 5', arranged symmetrically at the two longitudinal ends of a second central blade 4, by means of blade axes respectively. 51, 51 'transverse.
Each side blade 5, 5 ' can occupy an open position, as shown by the figures 1 and 2 , and a closed position in which it is folded over the central blade 4 and locked by a locking device 10, 10 'which will be described later, to reach a closed position of the clasp.
the two lateral blades 5, 5 ′ are substantially identical and we will therefore describe in detail the characteristics of the single first lateral blade 5.
a cover 6 is fixed on this first lateral blade 5. This cover 6 is mounted to pivot in rotation about a cover axis 61 arranged at one end of the first blade 5, opposite to its end linked to the second central blade 4.
the cover 6 has a cross section in the shape of an inverted U, having an upper face visible to a user, and two side walls, substantially perpendicular to the upper face, intended to laterally cover the whole of the clasp and its mechanism, in particular the device. locking, to conceal it, to substantially hide it, and to ensure the aesthetic appearance of the solution.
the cover 6 further comprises on its end opposite to the cover axis 61 a fixing device for a end of a bracelet strand.
this fastening device comprises openings 62 arranged in the side walls of the cover 6 in order to receive a fastening bar of a bracelet end link.
the cover 6 In the open position, the cover 6 is therefore capable of deploying relative to the blades 4, 5 of the clasp by rotation about the clasp axis 61 and of participating in the increase in the length of the clasp.
the two covers 6, 6 'of respectively the two side blades 5, 5' come to position one against the other continuously, thus forming the appearance of a single cover 60 of the clasp, as represented in figure 3 .
the locking device 10 of the first lateral blade 5 will now be described. It firstly comprises a locking element 1 mounted in rotation around a first axis 11.
This locking element 1 comprises a shape on a lower end designed to cooperate with a complementary hooking element 4a arranged at the level of the part. center of the second central blade 4.
this shape is of the hook type.
any other form allowing mechanical locking between the locking element 1 and a complementary fastening element 4a is possible.
one or more return springs 8a, 8b are provided to act on the locking element 1 to tend to position it in a position capable of coming into engagement with the fastening element 4a of the second blade. 4 central, so as to lock the bracelet clasp.
two springs 8a, 8b are arranged around the first axis of rotation 11, symmetrically distributed around the longitudinal median plane II, as shown in the figures. figures 5 and 6 , at the level of sections II-II and III-III respectively, according to the plans shown on the figure 3 .
the locking device 10 further comprises an actuating lever 2 arranged within the cover 6. More precisely, this actuating lever 2 is in the form of a part of the upper surface of the cover 6. It extends over the entire length. length of the cover 6, and is articulated in rotation about a second transverse axis 21 at the level of the longitudinal end of the cover 6 intended to receive an end link of the bracelet, opposite its end intended to be positioned in the center of the clasp in the closed position.
the locking device 10 comprises an intermediate element 3, connected on the one hand to the locking element 1 by a first connection device and connected on the other hand to the actuating lever 2 by a second connection device.
the locking element 1 and the intermediate element 3 of the locking device are connected in relative rotation about a first intermediate axis 31.
the first connection device is therefore an axis of rotation.
the actuating lever 2 and the intermediate element 3 of the locking device are linked by a second connecting device comprising a groove 22, arranged on the actuating lever 2, within which moves a second intermediate axis 32 connecting the actuating lever 2 and the intermediate element 3 and around which the actuating lever 2 and the intermediate element 3 are capable of pivoting with respect to one another.
a second connecting device thus makes it possible to confer two degrees of freedom between the actuating lever 2 and the intermediate element 3.
first intermediate axis 31 and the second intermediate axis 32 are respectively arranged at the level of the two longitudinal ends of the intermediate element 3. They are also positioned on either side of the first axis 11, in the closed configuration of the clasp, as can be seen on the figures 4 and 5 .
the invention is not limited to the embodiment described. It can be extended to any other solution in which at least one of said two connecting devices of the locking device is designed to give two degrees of freedom to the two elements which it connects.
This connection device can for example confer a first degree of freedom in rotation, and a second degree of freedom by displacement of the guided translation type within a groove.
This groove can extend in the longitudinal direction. As a variant, it could also have an orientation in another direction, for example vertical.
the notion of “groove” is to be considered in the broad sense of the term, it is not necessarily straight, and its trajectory can of course be adapted to the kinematics of the various components of the locking device.
the other connecting device confers a single degree of freedom. As a variant, it could also confer at least two degrees of freedom, in a similar manner to the at least one connecting device described above.
the first connection device could therefore confer two degrees of freedom and the second connection device only one degree of freedom.
these degrees of freedom could be based on movements other than the rotations and translation described.
first axis 11, the first intermediate axis 31, the second intermediate axis 32, and the second axis 21, are distinct and parallel. They all have a transverse orientation.
the clasp according to the embodiment further comprises an element 7, particularly shown in the figures 4 to 6 , integral with the cover 6, and fixed on the one hand to the cover axis 61 and to a parallel transverse axis 71 joining the two side walls of the cover.
the first axis 11 of rotation of the locking element 1 of the locking device 10 is rotatably mounted on this element 7 integral with the cover 6.
This element 7 also comprises housings shaped to receive the return springs 8a, 8b around the first axis 11, at the level of the vertical longitudinal planes II-II and III-III of figures 5 and 6 which are more particularly visible on the figure 3 .
the embodiment relies on the arrangement or connection of the locking device partly on a clasp cover.
the invention can still be implemented on a clasp without a cover, or of which the cover and the blade are combined into one and the same element.
the actuating lever 2 would be directly mounted on a movable blade replacing a cover, for example as a movable part of said movable blade.
the actuating lever 2 can have any other shape, any other part of a clasp cover.
in the closed position it forms a substantially continuous surface with the rest of the clasp cover.
a gripping element 2a is arranged on the actuating lever 2, to facilitate its actuation by a user. It is more precisely arranged at the central end of the actuating lever, opposite the second axis 21.
each lateral blade 5, 5 ' can be locked and unlocked from the central blade 4 by a respective locking device 10, 10'.
These two locking devices 10, 10 ' are substantially identical, symmetrically distributed relatively to a vertical transverse median plane P of the clasp, shown in the figures 3 and 4 .
they differ in their gripping elements 2a, 2a 'which have complementary shapes to fit together in the closed position of the clasp, these shapes thus being chosen for both aesthetic and ergonomic reasons.
the gripping elements 2a, 2a ' are shaped so that there is no order imposed in the opening and closing sequences of each lateral blade 5, 5' of the clasp 100, in particular in the actuation sequences of their two respective locking devices 10, 10 '. It would of course be conceivable to conform the gripping elements 2a, 2a 'so that they are identical.
the various axes 11, 11 ', 21, 21', 31, 31 ', 32, 32', 51, 51 ', 61, 61', 71, 71 'of the aforementioned clasp are all parallel, transversely oriented.
the notion of “axis” relates both to the notion of geometric axis and to the notion of physical axis.
the first axis 11 is an axis of rotation of the locking element 1, which may or may not be integral with the locking element 1. It is the same with regard to the other axes of the embodiment, in particular the second axis 21 and the two intermediate axes 31, 32.
first axis 11 and the two intermediate axes 31, 32 could be perpendicular to the second axis 21.
all these axes could remain parallel, but arranged differently.
the axes of the locking device are pivot axes.
at least one of these axes could be an axis defining a translation path.
the actuating lever 2 could in particular be in the form of a component movable in translation relative to the cover 6, in a direction corresponding substantially to the longitudinal direction of the cover 6.
the clasp could alternatively be a clasp with only two folding blades, and comprising a locking device between the two blades, as described above.
the aforementioned cover 6 can then correspond to the entire cover 60 of the clasp.
the invention also relates to a bracelet, characterized in that it comprises a locking device as described above or a clasp as described above.
the invention also relates to a wristwatch comprising such a bracelet.
the figure 7 illustrates a sectional view of the clasp along a plane II while the locking device 10 is actuated so as to open the clasp 100, more precisely to open the first blade 5 relative to the second central blade 4.
a user actuates the gripping element 2a to initiate a rotation of the actuating lever 2 around the second axis 21, in the clockwise direction.
This actuation of the actuating lever 2 causes a rotation of the locking element 1 around the first axis 11 in the same clockwise direction, against the springs 8a, 8b.
This rotation is made possible by the intermediate element 3, which allows the retraction of the locking element 1 from the hooking element 4a of the second central blade 4, while transmitting the rotational movement to it.
the second intermediate axis 32 is positioned at a first longitudinal end of the groove 22, on the side of the center of the clasp.
the figure 8 illustrates the same sectional view of the clasp along a plane II in an opposite phase of closing the first blade 5 on the second central blade 4.
the actuating lever 2 is rotated around the second axis 21 in an anti-clockwise direction, which brings the locking element 1 into engagement with the fastening element 4a of the second blade 4.
the two degrees of freedom of the intermediate element 3 relative to the actuating lever 2 are particularly advantageous because they allow a movement of the locking element 1 relative to the complementary hooking element 4a, allowing it to cross the end of this fastening element 4a, so that the latter can be positioned under the fastening element 4a, to reach the final closed position represented by the figure 4 .
the movement of the second intermediate axis 32 within the groove 22 in a direction parallel or substantially parallel to the longitudinal direction of the actuating lever 2 promotes this correct positioning of the locking element 1.
the second intermediate axis 32 is first positioned at a second longitudinal end of the groove 22, on the side of the end of the clasp, before moving towards the first opposite longitudinal end.
the arrangement of the intermediate element allows temporary actuation of the locking element 1 in clockwise pivoting while the actuating lever 2 pivots counterclockwise along the second axis 21, allowing it to cross the end of the fastening element 4a and allowing it to be able to take a position under this fastening element.
the intermediate element 3 therefore ultimately gives the locking element 1 a certain autonomy relative to the actuating lever. 2, sufficient to guarantee its correct positioning in all actuations of the actuating lever 2. Thanks to the intermediate element 3, the actuating lever 2 is in particular stationary during the closing phase of the clasp.

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EP20181588.3A 2020-06-23 2020-06-23 Verschlussvorrichtung für armbandverschluss Active EP3928652B1 (de)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
EP20181588.3A EP3928652B1 (de)	2020-06-23	2020-06-23	Verschlussvorrichtung für armbandverschluss
US17/343,926 US11963589B2 (en)	2020-06-23	2021-06-10	Locking device for a wristlet clasp
JP2021097836A JP2022002691A (ja)	2020-06-23	2021-06-11	バンド留め金用の係止装置
CN202110699035.9A CN113974288A (zh)	2020-06-23	2021-06-23	用于表带搭扣的锁定装置

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP20181588.3A EP3928652B1 (de)	2020-06-23	2020-06-23	Verschlussvorrichtung für armbandverschluss

Publications (2)

Publication Number	Publication Date
EP3928652A1 true EP3928652A1 (de)	2021-12-29
EP3928652B1 EP3928652B1 (de)	2023-04-19

Family

ID=71130892

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20181588.3A Active EP3928652B1 (de)	2020-06-23	2020-06-23	Verschlussvorrichtung für armbandverschluss

Country Status (4)

Country	Link
US (1)	US11963589B2 (de)
EP (1)	EP3928652B1 (de)
JP (1)	JP2022002691A (de)
CN (1)	CN113974288A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH715988B1 (fr) *	2019-03-21	2022-05-31	Bulgari Horlogerie Sa	Fermoir pour bracelet.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1654950A1 (de)	2004-11-03	2006-05-10	Rolex S.A.	Armbandverschluss
EP2502516A1 (de) *	2011-03-21	2012-09-26	Omega SA	Armbandverschluss

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH690116A5 (fr) *	1996-07-17	2000-05-15	Rolex Montres	Dispositif de réglage de la longueur d'un bracelet muni d'un fermoir à lames déployantes.
DE69942301D1 (de) *	1998-07-02	2010-06-10	Citizen Holdings Co Ltd	Drehanschlag für faltverschlusselement eines bandförmigen schmuckes
DE1201149T1 (de) *	2000-10-26	2003-01-09	Montres Rolex S.A., Genf/Geneve	Armbandverschluss
DE602006007360D1 (de) *	2006-10-06	2009-07-30	Rolex Sa	Armbandverschluss
EP2644050B1 (de) *	2012-03-27	2016-05-25	Rolex S.A.	Aufklappbarer Verschluss für Armband
EP2721943B1 (de) *	2012-10-16	2015-08-12	Rolex Sa	Elastisches Gelenk für Uhrzusammenbau
EP3420839B1 (de) *	2017-06-26	2022-10-05	Rolex Sa	Verschluss für armbanduhr

2020
- 2020-06-23 EP EP20181588.3A patent/EP3928652B1/de active Active
2021
- 2021-06-10 US US17/343,926 patent/US11963589B2/en active Active
- 2021-06-11 JP JP2021097836A patent/JP2022002691A/ja active Pending
- 2021-06-23 CN CN202110699035.9A patent/CN113974288A/zh active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1654950A1 (de)	2004-11-03	2006-05-10	Rolex S.A.	Armbandverschluss
EP2502516A1 (de) *	2011-03-21	2012-09-26	Omega SA	Armbandverschluss

Also Published As

Publication number	Publication date
US20210393004A1 (en)	2021-12-23
US11963589B2 (en)	2024-04-23
CN113974288A (zh)	2022-01-28
JP2022002691A (ja)	2022-01-11
EP3928652B1 (de)	2023-04-19

Publication	Publication Date	Title
EP2725937B1 (de)	2016-01-20	Dehnbare klammer für ein armband, insbesondere ein uhrenarmband
EP2601857B1 (de)	2015-01-07	Verschluss eines Uhrenarmbands oder eines Kleidergürtels
WO2012095686A1 (fr)	2012-07-19	Fermier extensible pour bracelet notamment d'une montre
WO2011051768A1 (fr)	2011-05-05	Fermoir extensible pour bracelet notamment d'une montre
EP3329797A1 (de)	2018-06-06	Vorrichtung zur regulierung der länge eines armbands
EP1977658B1 (de)	2016-08-10	Armband aus Kettengliedern
EP3069629B1 (de)	2019-07-03	Armbandverschluss
EP3928652B1 (de)	2023-04-19	Verschlussvorrichtung für armbandverschluss
CH717048B1 (fr)	2023-06-30	Dispositif de réglage fin de la longueur d'un bracelet et bracelet comportant un tel dispositif au moins.
EP1136013B1 (de)	2003-09-24	Armbandverschluss
EP3329796B1 (de)	2019-07-10	Vorrichtung zur regulierung der bequemlichkeit der länge eines armbands
EP4226806A1 (de)	2023-08-16	Vorrichtung zur regulierung der länge eines armbands
EP3941300B1 (de)	2023-04-05	Schnalle für ein uhrenband oder armband
EP3219220B1 (de)	2019-06-05	Armband mit längeneinstellungsvorrichtung
EP2813157B1 (de)	2016-05-18	Verschluss mit Klappöse
EP2476334B1 (de)	2016-04-06	Verschluss
EP4124256B1 (de)	2024-04-24	Vorrichtung zur regulierung der länge eines armbands
CH712039A2 (fr)	2017-07-31	Fermoir déployant pour bracelet.
CH714497B1 (fr)	2021-10-29	Fermoir pour bracelet.
CH712215B1 (fr)	2020-07-15	Dispositif de réglage pour bracelet.
CH719306B1 (fr)	2024-10-31	Fermoir pour bracelet.
CH705849A2 (fr)	2013-06-14	Fermoir pour bracelet de montre.
CH719481A2 (fr)	2023-09-15	Fermoir a boucle deployante.
CH717034B1 (fr)	2023-07-31	Fermoir pour pièce d'horlogerie.
EP3569090A1 (de)	2019-11-20	Befestigungssystem eines armbands an einem armbanduhrgehäuse

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