EP4159079B1 - Fermoir de bracelet avec reglage de la longueur - Google Patents

Fermoir de bracelet avec reglage de la longueur Download PDF

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Publication number
EP4159079B1
EP4159079B1 EP21200541.7A EP21200541A EP4159079B1 EP 4159079 B1 EP4159079 B1 EP 4159079B1 EP 21200541 A EP21200541 A EP 21200541A EP 4159079 B1 EP4159079 B1 EP 4159079B1
Authority
EP
European Patent Office
Prior art keywords
clasp
carriage
loop
bracelet
wristlet
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.)
Active
Application number
EP21200541.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4159079A1 (fr
Inventor
Philippe Loetscher
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to EP21200541.7A priority Critical patent/EP4159079B1/fr
Priority to CH070358/2021A priority patent/CH719035A2/fr
Priority to JP2022086718A priority patent/JP7378537B2/ja
Priority to US17/836,531 priority patent/US11896093B2/en
Priority to KR1020220077773A priority patent/KR20230047887A/ko
Priority to CN202210884746.8A priority patent/CN115919040A/zh
Publication of EP4159079A1 publication Critical patent/EP4159079A1/fr
Application granted granted Critical
Publication of EP4159079B1 publication Critical patent/EP4159079B1/fr
Active legal-status Critical Current
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
    • A44C5/246—Fasteners for straps, chains or the like for closed straps with folding devices having size adjusting means

Definitions

  • the present invention relates to a bracelet clasp with a device for adjusting the useful length of the bracelet.
  • the present invention also relates to a wristwatch provided with such a clasp.
  • the value of the wrist circumference varies depending on the seasons, with a maximum value generally being reached in summer and a minimum value being reached in winter. It is again preferable to provide a device for fine adjustment of the useful length of the bracelet allowing the wearer of the bracelet to adjust this length to improve the comfort of the bracelet when worn.
  • the patent application EP 09131060 A1 describes a clasp of the folding clasp type comprising a cover having a series of pairs of holes intended to accommodate the ends of a fixing bar of a bracelet. Two adjacent pairs of holes are spaced at a distance defining an adjustment step for the useful length of the bracelet, to address the problems mentioned above.
  • the clasp described in this patent is of the folding clasp type comprising two blades articulated together by means of a rod passing through both of them, each of the blades carrying at its free end a member for fixing to a bracelet.
  • a first blade carries a hook intended to engage in a hole provided in the second blade to cooperate with a trigger making it possible to lock the hook and therefore the clasp in a closed state.
  • the second blade comprises two parts capable of sliding relative to each other in a certain predefined range, defining a step of adjustment of the useful length of the bracelet.
  • a first of its two parts carries the hinge connecting it to the first blade while the second part carries the locking trigger.
  • the hole in which the hook engages to lock the clasp has a length, following the longitudinal direction of the bracelet, corresponding to the sliding range between the two parts of the second blade.
  • the trigger has a central part defining two locations for the hook, following the longitudinal direction of the bracelet, corresponding to two different useful lengths of the bracelet.
  • a control member comprising in particular a pusher makes it possible to activate the trigger to release the hook and open the clasp.
  • EP2740381A1 discloses a clasp according to the preamble of claim 1.
  • a disadvantage resulting from this structure is the loss of adjustment of the length of the bracelet each time the clasp is opened. Therefore, the wearer of the bracelet must ensure each time the clasp is closed that the hook is inserted on the side of the central portion of the trigger corresponding to the desired length for the bracelet.
  • Adjustment devices comprising a specific locking member have also been proposed, as an alternative, to avoid this type of inconvenience.
  • a main aim of the present invention is to overcome the drawbacks of the clasps known from the prior art, by proposing a bracelet clasp comprising a device for adjusting the useful length of the bracelet of simple structure, preferably offering a stable adjustment, including when the clasp is open, and easy to handle.
  • the present invention relates more particularly to a clasp for a bracelet comprising first and second blades articulated relative to each other, by a first of their respective ends, between a closed position, to wear, and at least an open position, said first blade carrying a member for fixing a first strand of bracelet, said second blade, lower, being connected to a loop at its second end, the loop defining a passage for a second strand of bracelet and carrying a nipple intended to be inserted into a suitable hole in the bracelet strand to define an anchoring point of the latter to the clasp, the clasp further comprising at least one locking member to maintain said first and second blades in their closed position.
  • a carriage connected to the second end of the second blade, said carriage being arranged to slide in the loop and able to move from a first indexed position to a second position indexed to define at least two predefined positions associated with a predefined useful length of the bracelet.
  • the invention also relates to a wristwatch comprising a bracelet provided with a clasp according to the invention.
  • the clasp illustrated without limitation in the figures corresponds to a preferred embodiment of the present invention. More precisely, the clasp 100 is of the folding clasp type and is intended to close a timepiece bracelet.
  • the clasp 100 comprises a first blade 1 articulated on a second blade.
  • Each of the blades has an elongated shape following the longitudinal direction of the bracelet and slightly curved to better match the shape of a wearer's wrist.
  • the first blade 1 comprises two uprights 10 arranged in contact with each other at one of their ends and, each having a cutout such that they are not in contact with each other over the largest part of their length.
  • Each of the amounts 10 carries an extension 11, near its other end, extending in a direction perpendicular to the longitudinal direction of the bracelet, to form a pusher defining a control member making it possible to unlock the clasp, as shown by there figure 1 .
  • the free end of the first blade 1 carries means for holding the bracelet intended to be associated with the clasp 100.
  • the holding means comprise a cover 12 having an upper wall 13 carrying side walls 14.
  • the side walls 14 are provided with two holes 8 making it possible to accommodate one end of a bar for fixing a bracelet strand, in a conventional manner .
  • the second blade 2 comprises two arms 20 connected on the one hand to the first blade 1, and on the other hand to a loop 3 via a carriage 4.
  • the loop 3 includes bent portions 30 for the passage of a bracelet strand , offset relative to the general direction of the arms 20 to define a passage for the bracelet strand.
  • the loop 3 has a first stud 7 and a second stud 31, both intended to be engaged in a different hole in the bracelet to define a first and a second anchoring point of the bracelet strand to the clasp 100 and thus hold it securely aligned with the clasp.
  • the loop 3 disposed at the end of the second blade 2 carries a device for adjusting the useful length of the bracelet intended to be associated with the clasp.
  • the device for adjusting the useful length of the bracelet comprises in particular the carriage 4 which is provided with a base 40 of rectangular shape and two uprights 41, and which is arranged to move in the loop 3 in the direction of the length of the bracelet. clasp.
  • the uprights 41 are arranged to slide in corresponding guide grooves 33 provided on the side edges of the loop 3.
  • the carriage 4 comprises an oblong hole 42 formed on the base 40, the oblong hole 42 cooperating with a pin 32 secured to the loop 3.
  • the pin 32 passes through the oblong hole when the carriage 4 is mounted in the passing 3, the uprights 41 being housed in the grooves 33.
  • the oblong hole 42 and the pin 32 make it possible to define the length of the stroke of the carriage 4 by relative to the loop 3, the ends of the oblong hole 42 thus defining the extreme positions of the carriage 4.
  • the loop 3 comprises indexing means defining at least first and second indexed positions, these positions making it possible to adjust the comfort of the clasp.
  • the indexing means comprise at least two notches 34 arranged on at least one of the guide grooves 33 to form said at least first and second indexed positions.
  • the loop 3 also comprises a control member arranged to allow the carriage to move from one position to another, the control member being in the form of a pusher 5 arranged on the carriage 3 and moving with the latter .
  • the pusher 5 comprises on its upper face a lug 50 arranged to cooperate with the notches 34 of the groove 33 so as to lock the chosen position, namely the first or second position in the example illustrated.
  • the pusher 5 extends over a large part of the width of the carriage 4 and has a flat portion 51 directly after the lug 50 and being housed in one of the uprights 41 of the carriage 4. Such an arrangement makes it possible to prevent the pusher is dislodged from the carriage 4 during its handling.
  • the pusher 5 is arranged to translate in a direction perpendicular to the direction of the length of the clasp, that is to say in a direction perpendicular to the movement of the carriage 4, and has on its upper face a textured portion to facilitate the gripping the pusher 5.
  • the carriage 4 comprises return means, in the form of a leaf spring 6, arranged to keep the control member under stress. So, for move the pusher 5, the user must slide the latter to force the leaf spring 6 and dislodge the lug 50 from the notch 34 in which it is located.
  • the carriage 4 comprises an L-shaped recess for receiving the pusher 5 and the spring blade 6, the foot of the L receiving the spring blade, and the body of the L receiving and guiding the pusher 5 which is slightly protruding relative to the 'obviously.
  • the carriage 4 comprises means for limiting its travel relative to the loop 3, these means for limiting the stroke being in the form of a pin 32 secured to the loop 3 and which is arranged to cooperate with an oblong hole 42 of the carriage 4.
  • Such an arrangement makes it possible both to define the extreme positions of the carriage 4 relative to the passer 3, and to prevent the carriage 4 from becoming dislodged from the grooves 33. So as to be able to easily disassemble the carriage 4 from the loop 3, pin 32 is screwed onto loop 3.
  • the wearer can modify the position of the carriage 4 by pressing on the pusher 5 to dislodge the lug 50 from the notch 34 formed in one of the guide grooves 33, then slides the carriage 4 or the loop 3 towards a second position where the notch 34 faces the lug 50. Once the position is chosen, the wearer releases the pusher 5 and the position is locked when the lug 50 is housed in the second notch.
  • conventional locking means are provided to ensure that the closed state of the clasp is maintained.
  • a conventional locking mechanism is arranged to keep the first blade 2 attached to the second blade 1 when no pressure is exerted simultaneously on the pushers formed by the extensions 11.
  • the extensions 11 each have fixed hooks configured to cooperate respectively with the first stud 7 placed on the loop 3.
  • the clasp 100 is shown in its long configuration on the figure 2a . If the carriage is moved towards the second free notch, the bracelet (not shown) is then elongated and occupies the position of Figure 3a.
  • the clasp according to the present invention comprises a movable element capable of being moved to adjust the useful length of the bracelet.
  • the construction and handling of this clasp are simple and allow the user to easily adjust the clasp when necessary.

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EP21200541.7A 2021-10-01 2021-10-01 Fermoir de bracelet avec reglage de la longueur Active EP4159079B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP21200541.7A EP4159079B1 (fr) 2021-10-01 2021-10-01 Fermoir de bracelet avec reglage de la longueur
CH070358/2021A CH719035A2 (fr) 2021-10-01 2021-10-07 Fermoir de bracelet avec réglage de la longueur.
JP2022086718A JP7378537B2 (ja) 2021-10-01 2022-05-27 長さ調整機能付きのリストレットクラスプ
US17/836,531 US11896093B2 (en) 2021-10-01 2022-06-09 Wristlet clasp with length adjustment
KR1020220077773A KR20230047887A (ko) 2021-10-01 2022-06-24 길이 조정을 갖는 팔찌 클래스프
CN202210884746.8A CN115919040A (zh) 2021-10-01 2022-07-26 具有长度调节装置的腕带扣钩

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21200541.7A EP4159079B1 (fr) 2021-10-01 2021-10-01 Fermoir de bracelet avec reglage de la longueur

Publications (2)

Publication Number Publication Date
EP4159079A1 EP4159079A1 (fr) 2023-04-05
EP4159079B1 true EP4159079B1 (fr) 2024-05-29

Family

ID=78078015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21200541.7A Active EP4159079B1 (fr) 2021-10-01 2021-10-01 Fermoir de bracelet avec reglage de la longueur

Country Status (6)

Country Link
US (1) US11896093B2 (zh)
EP (1) EP4159079B1 (zh)
JP (1) JP7378537B2 (zh)
KR (1) KR20230047887A (zh)
CN (1) CN115919040A (zh)
CH (1) CH719035A2 (zh)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1985835A (en) * 1932-02-16 1934-12-25 Gemex Co Extensible buckle
US2542358A (en) * 1945-09-21 1951-02-20 Marvin J Bruner Extensible connector for bracelets or the like
US2596186A (en) * 1948-09-24 1952-05-13 Carl Art Inc Extension device
US3696469A (en) * 1971-11-12 1972-10-10 Harry Kalinsky Wrist band and buckle therefor
FR2634107B1 (fr) 1988-07-15 1990-11-02 Omega Sa Fermoir de bracelet extensible a reglage fin
JPH06327508A (ja) * 1993-03-26 1994-11-29 Citizen Watch Co Ltd 時計バンドの中留構造
FR2745694B1 (fr) * 1996-03-08 1998-04-30 Smh Management Services Ag Fermoir extensible pour bracelet
JP2002253311A (ja) * 2000-12-27 2002-09-10 Seiko Instruments Inc 腕装着型電子機器
WO2002074124A1 (fr) * 2001-03-19 2002-09-26 Citizen Watch Co., Ltd. Dispositif de reglage de la longueur d'une parure en forme de bande
DE06405427T1 (de) * 2006-10-06 2008-10-09 Rolex Sa Armbandverschluss
CH702061A1 (fr) * 2009-10-26 2011-04-29 Thi Technologies Horlogeres Ind S A Fermoir extensible pour bracelet.
CH704335B1 (fr) * 2011-01-13 2015-06-30 Thi Technologies Horlogères Ind S A Fermoir extensible pour bracelet notamment d'une montre.
EP2740382B1 (fr) * 2012-12-04 2015-10-28 Omega SA Fermoir de bracelet comportant un dispositif de réglage de la longueur utile du bracelet
EP2740381B1 (fr) * 2012-12-04 2015-09-16 Omega SA Fermoir de bracelet ajustable
EP2767184B1 (fr) * 2013-02-13 2015-04-08 Omega SA Fermoir pour bracelet de montre
US9560900B2 (en) * 2014-06-23 2017-02-07 Mauricio Pier Adjustable watch strap
WO2018234474A1 (fr) * 2017-06-21 2018-12-27 Dexel S.A. Fermoir pour bracelet comportant un dispositif de réglage de longueur du bracelet
CN111787825B (zh) * 2018-03-02 2023-06-27 德雷塞尔公司 具有调整手链长度的装置的手链扣
CH715632A2 (fr) * 2018-12-13 2020-06-15 Omega Sa Fermoir de bracelet à boucle déployante comportant un dispositif de réglage de la longueur utile du bracelet.
EP3666110B1 (fr) * 2018-12-13 2022-04-20 Omega SA Fermoir de bracelet ajustable

Also Published As

Publication number Publication date
JP2023053886A (ja) 2023-04-13
EP4159079A1 (fr) 2023-04-05
US20230109520A1 (en) 2023-04-06
KR20230047887A (ko) 2023-04-10
US11896093B2 (en) 2024-02-13
CN115919040A (zh) 2023-04-07
CH719035A2 (fr) 2023-04-14
JP7378537B2 (ja) 2023-11-13

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