EP0855866A1 - Verschluss mit knopf - Google Patents

Verschluss mit knopf

Info

Publication number
EP0855866A1
EP0855866A1 EP97921578A EP97921578A EP0855866A1 EP 0855866 A1 EP0855866 A1 EP 0855866A1 EP 97921578 A EP97921578 A EP 97921578A EP 97921578 A EP97921578 A EP 97921578A EP 0855866 A1 EP0855866 A1 EP 0855866A1
Authority
EP
European Patent Office
Prior art keywords
folding
locking
clasp
folding arm
clasp according
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
Application number
EP97921578A
Other languages
English (en)
French (fr)
Other versions
EP0855866B1 (de
Inventor
Jacques Hubert Gay
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.)
Vacheron and Constantin SA
Original Assignee
Gay Freres Vente et Exportation SA
Gay Freres SA
Vacheron and Constantin 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 Gay Freres Vente et Exportation SA, Gay Freres SA, Vacheron and Constantin SA filed Critical Gay Freres Vente et Exportation SA
Publication of EP0855866A1 publication Critical patent/EP0855866A1/de
Application granted granted Critical
Publication of EP0855866B1 publication Critical patent/EP0855866B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18Fasteners for straps, chains or the like
    • A44C5/22Fasteners for straps, chains or the like for closed straps
    • A44C5/24Fasteners for straps, chains or the like for closed straps with folding devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/21Strap tighteners
    • Y10T24/2143Strap-attached folding lever
    • Y10T24/2155Jewelry-watch straps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/21Strap tighteners
    • Y10T24/2166Jewelry
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/47Strap-end-attaching devices
    • Y10T24/4782Watch strap

Definitions

  • the invention relates to fasteners specially used to provide a closure for a bracelet clasp according to the claims.
  • closures with folding and snap-fastening clasps are already known with at least one articulated folding arm.
  • document EP-0,509,938 describes a folding clasp comprising two folding arms articulated at the ends of a central stretcher. Each arm has a concavity allowing locking by compressing said concavity on a rod or pin of the central stretcher.
  • This notching device needs to be produced with precision to function properly. It has been found to be a drawback that the one-piece arms with limited elasticity and the concavities lose their flexibility under the effect of repeated compression.
  • Document EP-0 '115740 shows another folding and snap-fastening clasp with a tuning fork system of a more stable execution, having large friction surfaces to effect the notching of the folding arms.
  • a third drawback lies in the reliability and security of known folding and snap-fastening closures. The locking forces are difficult to adjust, presenting a risk of inadvertent opening of the clasp.
  • the objective of the present invention is to provide a solution to these problems by creating a folding clasp, for general application, for example for a wristwatch, of a particularly compact construction and compatible with the techniques of known and proven manufacturing.
  • Figures la to le show a perspective view of a detail of a preferred embodiment of a folding clasp.
  • Figures 2a and 2b show an exploding view of a detail of two preferred embodiments of a folding clasp.
  • Figures 3a and 3b show a schematic top view of a detail of the opening / closing mechanism of a preferred embodiment of a folding clasp.
  • Figures 4a and 4b show a schematic view of a detail of a locking security of a preferred embodiment of a folding clasp.
  • Figures 5a and 5b show a schematic view of a detail of the opening / closing mechanism of a preferred embodiment of a folding clasp.
  • FIGS. la to le and 2a, 2b show a perspective and exploding view of a detail of different preferred embodiments of a folding clasp.
  • Said folding clasp comprises at least one folding arm 1,2 articulated in an opening / closing plane OO 'with respect to a base blade 3.
  • Said at least one folding arm 1,2 is removable around at least one axis of articulation with at least one hinge rod 1-5,2.5.
  • the clasp comprises two folding arms 1, 2 are removable around two articulation axes with two hinge pins 1.5, 2.5. It is of course possible, while remaining within the scope of the invention, to produce a clasp with only one folding arm.
  • the folding clasp is characterized by a locking means 4 arranged on the base blade 3.
  • Figures 2a and 2b distinguish between two preferred embodiments of a folding clasp.
  • a first embodiment according to FIG. 2a shows a locking effected essentially by a moving part 4.5 of the locking means 4 with at least one inclined face tip 1.1,2.1 of said at least one folding arm 1.2 folded over the base blade 3 This locking will be described in more detail using FIGS. 3a and 3b.
  • Another embodiment according to FIG. 2b also shows an initial locking effect carried out by a guide part 4.3 of the means of ver- rusting 4 with at least one cylindrical rod 1.40, 2.40 of said at least one folding arm 1-2 folded over the base blade 3. This initial locking will be described in more detail with the aid of Figures 5a and 5b.
  • These two interlocks are complementary.
  • the initial locking is optional and it is possible, while remaining within the scope of the invention, to produce a clasp with or without initial locking.
  • Said locking of the moving part 4.5 with at least one inclined end piece 1.1,2.1 is carried out by moving said moving part 4.5 in a plane TT 'substantially perpendicular to the opening / closing plane OO' of said at least one folding arm 1,2 .
  • the plane TT ' is perpendicular (lateral) to the longitudinal direction of the clasp and respectively of a bracelet of a wristwatch.
  • said moving part 4.5 slides on at least one lateral axis 4.1, 4.4.2 of the locking means 4. So that said moving part 4.5 is easily accessible, said locking means 4 comprises a button 4.4 securely fixed to said moving part 4.5.
  • Said locking means 4 further comprises a guide piece 4.3 having an opening 4.31 elongated in the direction of the plane TT, so that said button 4.4 being arranged inside said opening 4.31 is guided with play and maintained during locking said at least one folding arm 1,2.
  • Said initial locking of the guide piece 4.3 of the locking means 4 with at least one cylindrical rod 1.40, 2.40 is carried out by moving said at least one folding arm 1.2 in the opening / closing plane OO '.
  • a cylindrical rod 1.40,2.40 is fixed on the side of a fastener 1.4,2.4 of two folding arms 1,2.
  • two cylindrical rods 1.40, 2.40 carry out a first initial locking or locking with recesses 4.30 of the part. guide 4.3.
  • Figures 3a and 3b show in a schematic top view a detail of the opening / closing mechanism of a folding clasp.
  • An inclined end piece 1.1,2.1 of said at least one folding arm 1-2 and at least one inclined end end corresponding 4.51,4.52 of said movable part 4.5 are V-shaped or conical.
  • Said inclined faces 1.1.2.1,4.51,4.52 in the form of a V-shaped open or conical shape are arranged at a constant inclination angle relative to the plane TT ', so that their wide conical side L corresponds to an unlocking position of the clasp (see Figure 3a) and that their narrow conical side F corresponds to a locking position of the clasp (see Figure 3b).
  • the inclined end faces 1.1,2.1,4.51,4.52 are planar.
  • the locking is done under the effect of a pinching of the movable part 4.5 against the at least one inclined face tip 1.1, 2.1 of said at least one folding arm 1.2 in the locking position of the narrow conical side F.
  • the moving part 4.5 is like a small mobile carriage which slides on at least one axis 4.1,4.2.
  • the locking means 4 is either in the unlocked position on the wide conical side L (see FIGS. 3a and 4a), or in the locked position of the narrow conical side F (see Figures 3b and 4b).
  • the moving part 4.5 is slightly pinched under the guidance 4.3 allowing maintenance in the unlocked position. This can be done thanks to an additional thickness under the guide piece 4.3.
  • Figures 5a and 5b show a schematic view of another detail of the opening / closing mechanism of a folding clasp.
  • a cylindrical rod 1.40, 2.40 of said at least one folding arm 1.2 and at least one corresponding recess 4.30 of the guide piece 4.3 are arranged so that during movement of said at least one folding arm 12 in a plane of opening / closing OO 'an initial locking is done by snapping each of said cylindrical rods 1.40,2.40 into a recess 4.30.
  • the clasp comprises two folding arms 12 and each folding arm 1 is provided with a cylindrical rod 1.40,2.40.
  • a guide part 4.3 is provided, having two recesses 4.30 on the side of the folding arms 12.
  • the recesses 4.30 are adapted to the geometric shape of the cylindrical rods 1.40,2.40. It is entirely possible, without going beyond the scope of the invention, to provide different geometric shapes, for example rods and / or oval or even square recesses.
  • the cylindrical rods 1.40, 2.40 may be in the form of thin-walled tubes. Solid rods or hollow rods forming elastic tubes can be split, for example in their longitudinal direction (see for example the cylindrical rod 2.40 according to Figures 5a and 5b). The application of slots is optional, it is possible to provide rods or elastic tubes which are not split (see for example the cylindrical rod 1.40 according to FIGS. 5a and 5b). These examples are shown by way of example.
  • Such elastic tubes are preferably metallic and their thin wall is preferably 0.15 millimeter thick. For a smaller thickness, the maximum bending stress becomes too large (the deformation force is too high and the snap-fastening becomes difficult), for a larger thickness, the elastic constant of an elastic tube becomes too large (the wall thin deforms beyond the reversible elastic limit and the snap is not well accentuated).
  • an elastic tube made of a metallic material for example an elastic tube made of stainless steel
  • a thickness of 0.15 millimeters represents an ideal choice, allowing both a well defined closing or latching force (which feels good, without being too strong or too weak) while guaranteeing easy machining of the locking means.
  • a split rod and / or a split tube gives an additional degree of freedom to the initial locking.
  • the quality of a clasp is not only defined by its purely technical characteristics but also by its impression it makes on the user. Unlike known clasps, which do not use such an initial locking with cylindrical rods or elastic tubes and with a couple of different materials, it is possible to individually adjust the forces and in particular to adjust the characteristics of latching of the folding clasp.
  • the cylindrical rods 1.40,2.40 are arranged near the fasteners 1.4,2.4.
  • the rods 1.40,2.40 are added welded to the clips 1.4,2.4.
  • Other fixing means are of course possible without going beyond the scope of the invention.
  • This position at the end of the folding arms 1 allows in all circumstances a first initial locking or locking of the cylindrical rods 1.40, 2.40 of the folding arms 12 with the guide part 4.3 of the locking means 4 before the locking of the inclined faces end piece 1.1, 2.1 of the folding arms 12 with the movable part 4.5 of the locking means 4.
  • This position of the cylindrical rods 1.40,2.40 half concealed by the fasteners 1.4,2.4 is particularly aesthetic and refined, which is desired by the user.
  • Figure 5a shows this initial locking before the latching of the cylindrical rods 1.40,2.40 in the recesses 4.30
  • Figure 5b shows the cylindrical rods 1.40,2.40 after the latching in the recesses 4.30
  • the guide piece 4.3 is firmly fixed on the base blade 3.
  • the folding arms 1 can be elastic to allow the more or less elastic cylindrical rods 1.40,2.40 to protrude beyond the edge in projection of the recesses 4.30.
  • Figures 4a and 4b show a detail view of a locking security of a folding clasp.
  • a first folding arm 1 comprises a cover 10 hinged with respect to said first folding arm 1.
  • Said cover 10 is removable around a hinge pin with a hinge rod 10.2.
  • Said cover 10 folded over the locking means 4 provides security for locking said at least one folding arm 1,2.
  • This locking security is complementary.
  • this locking security is optional and it is possible, while remaining within the scope of the invention, to make a clasp with or without locking security.
  • Said cover 10 includes an asymmetrical bottom 10.1.
  • Said asymmetrical bottom 10.1 is provided with a boss 10.12 on the wide conical side L of said inclined faces end piece 1.1,2.1,4.51,4.52 (see FIGS. 1a to 3b) corresponding to an unlocking position of the clasp (see FIG. 4a) and said asymmetrical bottom 10.1 is hollowed out on the narrow conical side F of said inclined faces end piece 1.1,2.1,4.51,4.52 corresponding to a locking position of the clasp (see FIG. 4b), so that said asymmetrical bottom 10.1 of a cover 10 folded down holding the button 4.4 on the narrow conical side F of said inclined faces end piece 1.1,2.1,4.51,4.52 corresponding to a locking position of the clasp.
  • This locking mechanism is characterized by dual-function security.
  • the cover 10 with asymmetrical bottom 10.1 guarantees at the same time that the cover 10 cannot be folded down on a locking means 4 in the unlocked position on the wide conical side L (see FIGS. 3a and 4a), because the button 4.4 would act obstacle to the boss 10.12 of the cover 10 and the cover 10 reinforces the locking of the locking means 4 in the locked position on the narrow conical side F (see FIGS. 3b and 4b) avoiding inadvertent opening of the clasp.
  • Said folded cover 10 is retained by snap-fastening with at least one fixing means arranged on a second folding arm 2 (see FIGS. 2a and 2b) or on the base blade 3.
  • at least one fixing means arranged on a second folding arm 2 (see FIGS. 2a and 2b) or on the base blade 3.
  • two fixing means are arranged on a second folding arm 2 (see FIGS. 2a and 2b) or on the base blade 3.
  • each fixing means 11.1,11.2 comprises a housing containing a ball 11.3 arranged at one end of a straight spring 11.4.
  • the other end of spring 11.4 is fixed to the bottom of the housing.
  • Such a fixing means 11.1, 11.2 is arranged inside a guide sleeve of a second folding arm 2 (see FIGS. 2a and 2b) or of the base blade 3, so that the balls 11.3 protrude the guide sleeve and exert a fixing force on the folded cover 10.
  • the folded cover 10 is fixed by the spring force of the straight springs 11.4. It is of course possible to use other embodiments of known fixing means that go beyond the scope of the invention.
  • the folding clasp is made with a minimum number of elements that can easily be replaced or adjusted.
  • the locking / unlocking force can be easily adjusted by changing (increasing / decreasing) the angle of inclination of the inclined faces 1.1.1.2,4.51,4.52 of V-shaped open or conical (see Figures 3a and 3b).
  • the folding clasp is characterized by a particularly easy and safe opening / closing mechanism.
  • the displacement of the locking means 4 in the plane TT ′ does not cause wear of said notching device.
  • the folding clasp is preferably metallic.
  • the folding clasp can be attached to the ends of a flexible link bracelet of a wristwatch.
  • Such links 9,9 ′, 11,11 ′ of two bracelet strands are shown in FIGS. 2a and 2b.
  • knurled axes 9.11 driven keep the links 9,9 ', 11,11' together.
  • screws 9,1,9.2 are provided for fixing the bracelets strand to attachments 1.4,2.4 of the folding arms 1,2.

Landscapes

  • Buckles (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
EP97921578A 1996-07-01 1997-05-27 Verschluss mit knopf Expired - Lifetime EP0855866B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH163496 1996-07-01
CH1634/96 1996-07-01
CH01634/96A CH690894A5 (fr) 1996-07-01 1996-07-01 Fermoir dépliant, notamment à bouton.
PCT/CH1997/000214 WO1998000042A1 (fr) 1996-07-01 1997-05-27 Fermoir a bouton

Publications (2)

Publication Number Publication Date
EP0855866A1 true EP0855866A1 (de) 1998-08-05
EP0855866B1 EP0855866B1 (de) 2002-09-25

Family

ID=4215044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97921578A Expired - Lifetime EP0855866B1 (de) 1996-07-01 1997-05-27 Verschluss mit knopf

Country Status (8)

Country Link
US (1) US6119315A (de)
EP (1) EP0855866B1 (de)
JP (1) JP3632030B2 (de)
AU (1) AU2761397A (de)
CH (1) CH690894A5 (de)
DE (1) DE69715805T2 (de)
HK (1) HK1009070A1 (de)
WO (1) WO1998000042A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9720459D0 (en) * 1997-09-25 1997-11-26 Luen Tat Watch Band Manufactur Clasp
DE60025217T2 (de) 2000-10-26 2006-07-13 Rolex Sa Armbandverschluss
FR2821725A1 (fr) * 2001-03-07 2002-09-13 Luigi Ferrario Fermoir depliant pour bracelet
US8191210B2 (en) * 2008-03-17 2012-06-05 Devers Brock L Device holding structure
EP2233026B1 (de) * 2009-03-25 2012-06-20 Rolex S.A. Vorrichtung und Verfahren zur Verbindung und zum Verriegeln von zwei Teilen und Kugelleiste
EP2502515B1 (de) * 2011-03-21 2013-09-04 The Swatch Group Management Services AG Armbandverschluss
CH708214B1 (fr) * 2013-06-11 2017-06-15 Boucledor Sa Fermoir à boucle déployante.
US10722006B2 (en) 2016-12-05 2020-07-28 Rolex Sa Device for adjusting the length of a bracelet
EP3329796B1 (de) * 2016-12-05 2019-07-10 Rolex Sa Vorrichtung zur regulierung der bequemlichkeit der länge eines armbands
EP3769640B1 (de) * 2019-07-26 2022-03-30 Omega SA Verschluss für uhrenarmband
EP4159080B1 (de) * 2021-10-01 2024-03-27 Omega SA Verstellbarer armbandverschluss

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532840A (en) * 1948-02-03 1950-12-05 Kreisler Mfg Corp Jacques Folding extension device
FR1541115A (fr) * 1967-08-24 1968-10-04 Fermoir pour bracelet, collier et articles analogues
CH604598A5 (en) * 1977-04-01 1978-09-15 Hertig Francis Snap action watch bracelet fastener
DE3362646D1 (en) * 1983-02-02 1986-04-30 Cornu & Cie Sa Foldable fastener for a bracelet
FR2548879B1 (fr) * 1983-07-11 1985-11-22 Omega Sa Charniere demontable pour bracelet
FR2634107B1 (fr) * 1988-07-15 1990-11-02 Omega Sa Fermoir de bracelet extensible a reglage fin
CH684151A5 (fr) * 1990-11-28 1994-07-29 Cornu & Cie S A Fermoir de bracelet.
FR2675351B1 (fr) * 1991-04-19 1994-12-30 Maier Fermoir depliant.
ITMI910764U1 (it) * 1991-09-06 1993-03-08 Gtf Srl Dispositivo di chiusura per bracciali di orologi in metallo di tipo te ssuto o spinato, braccialetti, gioielli e simili
IT1252579B (it) * 1991-12-23 1995-06-19 Gtf Srl Dispositivo di chiusura a portafoglio snodato per bracciali di orologi, braccialetti, gioielli e simili
FR2704120B1 (fr) * 1993-04-19 1995-06-30 Maier Fermoir dépliant pour bracelet.
FR2705873B1 (fr) * 1993-06-03 1995-08-11 Ferrario Luigi Fermoir du type à boucle déployante pour bracelet.
FR2723824A1 (fr) * 1994-08-31 1996-03-01 Alain Bonnet Fermoir de bracelet verrouillable
FR2741244B1 (fr) * 1995-11-21 1998-01-16 Grandjean Sa Fermoir a boucle deployante

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9800042A1 *

Also Published As

Publication number Publication date
AU2761397A (en) 1998-01-21
HK1009070A1 (en) 1999-05-28
US6119315A (en) 2000-09-19
JP3632030B2 (ja) 2005-03-23
CH690894A5 (fr) 2001-02-28
EP0855866B1 (de) 2002-09-25
JPH11511684A (ja) 1999-10-12
DE69715805T2 (de) 2003-05-15
WO1998000042A1 (fr) 1998-01-08
DE69715805D1 (de) 2002-10-31

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