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EP0509938B1 - Auseinanderfaltbarer Verschluss - Google Patents

Auseinanderfaltbarer Verschluss Download PDF

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Publication number
EP0509938B1
EP0509938B1 EP92420100A EP92420100A EP0509938B1 EP 0509938 B1 EP0509938 B1 EP 0509938B1 EP 92420100 A EP92420100 A EP 92420100A EP 92420100 A EP92420100 A EP 92420100A EP 0509938 B1 EP0509938 B1 EP 0509938B1
Authority
EP
European Patent Office
Prior art keywords
clasp
locking
transverse
heads
arm
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.)
Expired - Lifetime
Application number
EP92420100A
Other languages
English (en)
French (fr)
Other versions
EP0509938A1 (de
Inventor
François Mathieu
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.)
Maier SA
Original Assignee
Maier 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 Maier SA filed Critical Maier SA
Publication of EP0509938A1 publication Critical patent/EP0509938A1/de
Application granted granted Critical
Publication of EP0509938B1 publication Critical patent/EP0509938B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2102—Cam lever and loop
    • Y10T24/213—Jewelry
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2143—Strap-attached folding lever
    • Y10T24/2155—Jewelry-watch straps
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/47—Strap-end-attaching devices
    • Y10T24/4782—Watch strap

Definitions

  • the present invention relates to a folding clasp for a bracelet of the type comprising a central stretcher formed by two parallel beams connected at their ends. On these ends are articulated folding arms that fold back and lock in the stretcher.
  • a first solution consists in locking the folding arms laterally in the stretcher, a solution which is described for example in the disclosures US 1 839 788, FR 537 072 and EP 0 115 740.
  • the major drawback of this solution is that, in order to have a closure that is both safe and openable with sufficient ease, the lateral profiles of the folding arms and side members constituting the stretcher must be machined with great care, making the operation expensive.
  • a second solution consists in locking the folding arms at the end, and in this connection reference will be made to the presentation FR 2 619 292, in which each folding arm is blocked, by its beak-shaped head, in a corresponding rod connecting the side members.
  • the invention incorporates the simplicity of the technical solutions described in the disclosures FR 2 619 292 and CH 633 698, while eliminating the drawbacks which make them unrealistic.
  • a folding clasp for a bracelet comprising a central clasp formed by two parallel longitudinal members connected at their ends.
  • articulated folding arms which fold back and lock in the stretcher on a member transversely connecting the two side members.
  • Each arm has a head which at the same time receives a strand of bracelet and ensures locking inside the stretcher.
  • These heads each have a concavity on their anterior face which, when locked, comes to bear in compression on the transverse member and thus blocks the folding arms.
  • the locking heads each have on their underside a transverse groove placed behind the concavity.
  • the transverse locking member is unique. On its own, it receives and blocks the two heads in closing.
  • each head has its own transverse locking member, these being for example placed side by side.
  • the locking member or members are rods and, preferably also, the arms, each with its respective head, are in one piece.
  • the transverse groove formed on the underside of each of the folding arms is a U-shaped groove or of square or rectangular shape, and its width can be modified.
  • the locking heads can, if desired, be made in one piece (monoblocks) with their arms leads to a great solidity of the assembly, which is not the case in the clasp of the exposed CH 633 698, where according to the figures, the head is in two added parts.
  • the assembly described in this presentation therefore presents great fragility to repeated efforts.
  • the fact that the heads are in one piece makes it possible to dig relatively deep grooves on their underside, leaving enough material at the junction of these with their respective arms to geometrically provide additional flexibility, in addition to the flexibility inherent in the beak shape of the heads.
  • the width of the transverse groove can be modified, for example using a screwdriver or a knife point, it will thus be possible to compensate for the fatigue that the spout of the head, i.e. the part of the head between the concavity and the transverse groove. This ensures that the locking of the clasp will never be faulty, since if this locking would gradually become looser, it would be enough to open the throat very slightly to make up for this weakness.
  • the clasp consists of a stretcher 1 formed of two parallel beams 2,3 which are connected at their ends by pins 4,5 on which are articulated two folding arms 6,7 .
  • folding arms 6,7 fold back towards the center and are locked in the stretcher 1 around a single member 8 transversely connecting the two beams 2,3.
  • this member 8 is a rod or pin arranged perpendicular to the side rails 2,3 and crimped therein. It is placed in the central position of the stretcher 1. In this way, the two folding arms 6,7 are of the same length.
  • the rod is not in the central position, but offset with respect to the transverse axis of symmetry of the stretcher 1, in which case, the two folding arms 6, 7 are of unequal length.
  • the rod serving as a locking member 8 is sheathed by a metal tube which covers and can rotate freely around it; alternatively, the metal sheath can be replaced by a plastic sheath, for example Teflon (registered trademark) either in the form of the sheath itself, or in the form of an adherent deposit.
  • a metal tube which covers and can rotate freely around it
  • the metal sheath can be replaced by a plastic sheath, for example Teflon (registered trademark) either in the form of the sheath itself, or in the form of an adherent deposit.
  • Teflon registered trademark
  • the folding arms 6,7 each comprise a head 9,10 respectively, which are the extension and are integral with their respective arms 7,8.
  • the two arms with their heads are therefore in one piece.
  • Each head 9, 10 has a bulge in which are provided fixing means making it possible to connect the latter to a strand of the bracelet; the same for the other head.
  • fixing means are shown diagrammatically in the figures by the axes 11, 12, the corresponding strands not being illustrated for the clarity of the figures.
  • the heads 9, 10 have on their anterior faces, that is to say on their faces which will come into contact with the locking member 8, a concavity 13, respectively 14, the depth and curvature of which are adjusted to the shape of the member 8, which may be as indicated above, a rod 8 cylindrical, ovoid or even polygonal.
  • the heads 9, 10 On the lower faces 15, 16 of the arms, at the level of the heads 9, 10, grooves or grooves 17, respectively 18 are formed, so as to give the heads 9, 10 a form of beak 19, respectively 20, between the concavity 13, respectively 14, and the grooves 17, respectively 18.
  • the depth of the grooves 17,18 is such that it allows a narrowing at the junction between the arm and the corresponding head, so as to bring to the assembly a some flexibility.
  • most of the flexibility required for closing and locking, unlocking and opening results from the elasticity of the spouts 19, respectively 20, due to the cooperation between the concavities 13,14 and the grooves 17.18.
  • the clasp of Figures 4 to 6 differs from the clasp of Figures 1 to 3 in that the single locking member 8 is replaced by two identical members 81,82 placed side by side, perpendicular to the beams 2,3 and symmetrically with respect to in the middle of the clasp (they could just as well be offset from the center, if the arms are of unequal length).
  • Each head 9, 10 is locked on its own transverse member 81, respectively 82, rod or pin for example.
  • Locking the bracelet is a very simple operation since it suffices to fold the folding arms 6,7 into the stretcher 1 and to press lightly so that, by deformation of the spouts 19.20 of the heads 9,10, these spouts pass the resistance on the locking member 8, respectively the members 81, 82, and come to lock on their concavity 13, 14.
  • the reverse operation is carried out just as easily.
  • a huge advantage of the clasp according to the invention is that, if the material constituting the spouts 19,20 comes under repeated efforts, to deform slightly, no longer allowing satisfactory locking, it will suffice to catch up with this deformation by even imperceptibly widening the grooves 17,18, which can be done very easily with a simple tip of a screwdriver or knife.

Landscapes

  • Adornments (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Buckles (AREA)
  • Fats And Perfumes (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Dental Preparations (AREA)
  • Accessories Of Cameras (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Claims (7)

  1. Aufklappbarer Verschluß für Armbänder mit einem zentralen Längsträger (1), der von zwei parallelen Hauptträgern (2, 3) gebildet ist, die an ihren Enden (4, 5) verbunden sind, an denen ausschwenkbare Arme (6, 7), die auf ein die zwei Hauptträger (2, 3) quer verbindendes Element in den Längsträger (1) einschwenkbar und verriegelbar sind, gelenkig gelagert sind, wobei jeder Arm (6, 7) einen Kopf (9, 10) aufweist, der eine Schnur des Armbands hält und gleichzeitig die Verriegelung des Arms im Inneren des Längsträgers gewährleistet, und wobei die Köpfe (9, 10) auf jeder ihrer Vorderflächen eine Aushöhlung (13, 14) aufweisen, die beim Verriegeln unter Druck am quer verlaufenden Element anliegt und so den ausschwenkbaren Arm festhält, dadurch gekennzeichnet, daß die Verriegelungsköpfe (9, 10) auf jeder ihrer Innenflächen (15, 16) eine quer verlaufende, hinter der Aushöhlung (13, 14) angeordnete Auskehlung (17, 18) aufweisen.
  2. Verschluß nach Anspruch 1, dadurch gekennzeichnet, daß das quer verlaufende Verriegelungselement ein einzelnes Element (8) ist.
  3. Verschluß nach Anspruch 1, dadurch gekennzeichnet, daß dieser zwei quer verlaufende, seitlich nebeneinander angeordnete Verriegelungselemente (81, 82) aufweist - jeweils eines für jeden Arm (6, 7).
  4. Verschluß nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die quer verlaufende Auskehlung (17, 18) eine abänderbare Breite aufweist.
  5. Verschluß nach Anspruch 1, 2, 3 oder 4, dadurch gekennzeichnet, daß das quer verlaufende Verriegelungselement (8) oder die quer verlaufenden Verriegelungselemente (81, 82) jeweils Stifte sind.
  6. Verschluß nach Anspruch 1 oder 4, dadurch gekennzeichnet, daß die Arme (6, 7) mit ihrem Kopf (9, 10) jeweils ein Ganzes bilden.
  7. Verschluß nach Anspruch 5, dadurch gekennzeichnet, daß der Stift von einer Hülle umgeben ist, die um diesen frei drehbar ist.
EP92420100A 1991-04-19 1992-04-01 Auseinanderfaltbarer Verschluss Expired - Lifetime EP0509938B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9105084 1991-04-19
FR9105084A FR2675351B1 (fr) 1991-04-19 1991-04-19 Fermoir depliant.

Publications (2)

Publication Number Publication Date
EP0509938A1 EP0509938A1 (de) 1992-10-21
EP0509938B1 true EP0509938B1 (de) 1995-10-04

Family

ID=9412225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92420100A Expired - Lifetime EP0509938B1 (de) 1991-04-19 1992-04-01 Auseinanderfaltbarer Verschluss

Country Status (11)

Country Link
US (1) US5331723A (de)
EP (1) EP0509938B1 (de)
JP (1) JPH05508094A (de)
KR (1) KR930701119A (de)
AT (1) ATE128610T1 (de)
CA (1) CA2085468A1 (de)
DE (1) DE69205196T2 (de)
ES (1) ES2078009T3 (de)
FR (1) FR2675351B1 (de)
HK (1) HK35496A (de)
WO (1) WO1992018029A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996031138A1 (fr) * 1995-04-04 1996-10-10 Gay Freres Vente Et Exportation S.A. Fermoir pour un bracelet
FR2694684B1 (fr) * 1992-08-17 1994-10-21 Stylor France Sa Dispositif de fermeture pour bracelets.
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
CH690894A5 (fr) * 1996-07-01 2001-02-28 Vacheron & Constantin S A Fermoir dépliant, notamment à bouton.
CH691160A5 (fr) * 1996-08-27 2001-05-15 Rolex Montres Fermoir dépliant.
AU2002366359A1 (en) * 2001-12-18 2003-06-30 Meir Chen System and method for cutting and applying metal configurations to another metal surface
EP2644050B1 (de) * 2012-03-27 2016-05-25 Rolex S.A. Aufklappbarer Verschluss für Armband
EP2870893B1 (de) * 2013-11-07 2016-06-08 The Swatch Group Management Services AG Armbandverschluss
CN105105430A (zh) * 2015-08-07 2015-12-02 惠州Tcl移动通信有限公司 可穿戴设备及其扣合组件
CH711847A2 (fr) * 2015-11-25 2017-05-31 Oréade Mft De Boîtes Sa Boucle déployante.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1771249A (en) * 1929-12-31 1930-07-22 Hadley Company Inc Bracelet attachment
US1839788A (en) * 1930-05-29 1932-01-05 Gen Chain Company Foldable extension device
US1997723A (en) * 1933-11-04 1935-04-16 Jr Joseph J Franklin Extension device for articles of jewelry
US2480923A (en) * 1945-06-06 1949-09-06 Andrew H Hatchette Hook
US2532840A (en) * 1948-02-03 1950-12-05 Kreisler Mfg Corp Jacques Folding extension device
GB661609A (en) * 1949-05-09 1951-11-21 Ami Cornu Improvements in and relating to a clasp for a bracelet
FR1170556A (fr) * 1957-04-02 1959-01-15 Fermoir pour bracelets
CH596793A5 (en) * 1976-05-21 1978-03-31 Antonio Aragon Unfolding wrist-watch strap catch
CH649205A5 (en) * 1982-11-01 1985-05-15 Jean Paolini Clasp, particularly for a bracelet
CH641332A5 (en) * 1982-11-19 1984-02-29 Boucledor Sa Clasp
JPH0216658Y2 (de) * 1985-06-18 1990-05-09
FR2619292B1 (fr) * 1987-08-14 1989-12-29 Boucledor Sa Fermoir pour bracelet

Also Published As

Publication number Publication date
ATE128610T1 (de) 1995-10-15
ES2078009T3 (es) 1995-12-01
FR2675351B1 (fr) 1994-12-30
FR2675351A1 (fr) 1992-10-23
WO1992018029A1 (fr) 1992-10-29
CA2085468A1 (fr) 1992-10-20
DE69205196D1 (de) 1995-11-09
HK35496A (en) 1996-03-08
DE69205196T2 (de) 1996-04-04
KR930701119A (ko) 1993-06-11
US5331723A (en) 1994-07-26
EP0509938A1 (de) 1992-10-21
JPH05508094A (ja) 1993-11-18

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