EP0126382B1 - Fermoir extensible pour bracelet flexible, notamment pour bracelet-montre - Google Patents

Fermoir extensible pour bracelet flexible, notamment pour bracelet-montre Download PDF

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Publication number
EP0126382B1
EP0126382B1 EP84105245A EP84105245A EP0126382B1 EP 0126382 B1 EP0126382 B1 EP 0126382B1 EP 84105245 A EP84105245 A EP 84105245A EP 84105245 A EP84105245 A EP 84105245A EP 0126382 B1 EP0126382 B1 EP 0126382B1
Authority
EP
European Patent Office
Prior art keywords
segment
segments
locking element
extensible
fastener 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.)
Expired
Application number
EP84105245A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0126382A1 (fr
Inventor
Fernando Fontana
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
Publication of EP0126382A1 publication Critical patent/EP0126382A1/fr
Application granted granted Critical
Publication of EP0126382B1 publication Critical patent/EP0126382B1/fr
Expired 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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S24/00—Buckles, buttons, clasps
    • Y10S24/30—Separable-fastener or required component thereof
    • Y10S24/43—Separable-fastener or required component thereof including member having distinct formations and mating member selectively interlocking therewith
    • Y10S24/47—Selectively interlocking member having movably attached or biased interlocking component
    • Y10S24/48—And cavity for guiding movement of formations
    • 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
    • Y10T24/2104—Step adjusted
    • Y10T24/2115—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.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
    • Y10T24/45183—Clasp [e.g., spring type]
    • Y10T24/45188—Clasp [e.g., spring type] for jewelry [e.g., buckle type]
    • 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 clasp for a flexible bracelet, in particular for a watch bracelet comprising first and second elongated segments and attached to one another by means of a hinge and provided at the end of each of them.
  • articulation means composed of bars to attach them to the first and second links of which the bracelet is formed, the second segment being formed of two half-segments coupled together and sliding one inside the other, one two semi-segments being fixed and articulated on the first link, said fixed half-segment being provided with a plurality of holes, and the other half-segment being mobile and articulated on the first segment, said first segment being provided with near the bar of an inclined locking element and provided with a notch.
  • Straps particularly those that are suitable for watches, require that they can be closed on the wrist with ease and without running the risk that the watch may escape when trying to form the closure loop.
  • the bracelet is continuous so that it rests securely on the wrist. It is however advisable to reduce the length of that necessary for its passage on the hand to that which is adapted to its suitable adhesion on the wrist.
  • a first solution is known of bracelets made of contiguous metal segments which contain small springs which make it possible to lengthen the bracelet when a traction is exerted on it.
  • Such a solution to be feasible, however requires very small springs subject to fatigue and which have a limited lifespan.
  • This device consists of only two non-deformable and articulated segments and in which the second segment is completely covered by a part of the flexible strap, while the two segments are superimposed on each other in the closed position. .
  • the bracelet When the bracelet is closed, its line appears as continuous, interrupted only by a plate which hides a lateral blocking device.
  • the bracelet is elegant, the segments are invisible, the closure is secure and inspires confidence. There is, however, between a closed bracelet and an open bracelet, a limited difference in length, particularly if short segments are used as indicated for small female wrists.
  • Patent FR-A-2184440 describes a bracelet clasp comprising a first segment at one end of which is attached a bracelet, this end also carrying a clip forming a locking element and a second telescopic segment.
  • This second segment is itself composed of a fixed half-segment provided with a plurality of holes intended to receive in one of them the locking element, and of a movable half-segment which can slide in said fixed half-segment.
  • the length of the clasp is adjusted by a device for notching the two half-segments relative to one another, a device independent of the blocking element which has the sole purpose of keeping the clasp in the closed position.
  • the blocking element of the clasp according to the present invention pursues two goals at the same time: that of adjusting the length of the clasp and that of blocking the clasp in the closed position. This results in a simpler embodiment than that described in the document cited above.
  • Patent US-A-2 363 590 describes for its part an extendable clasp also having a telescopic segment. This construction, however, uses complicated mechanical means such as a spring pawl acting on a sort of rack to adjust the extension and blocking of the clasp.
  • the object of the present invention is to provide a bracelet clasp which does not have the drawbacks mentioned above.
  • the aim is to produce a neat closure for a flexible bracelet which is extensible, adjustable on the wrist, especially on small wrists, such as wrists. feminine and that we can articulate with simplicity and security.
  • the hole which it carries can appear in front of one of the holes in the other fixed half-segment making it possible to make several different lengths.
  • the suitable length is chosen with ease and safety thanks to the shape given to the blocking element which blocks the two half-segments between them and closes the bracelet in an easy and simple way.
  • This form of lock can easily be hidden under a small cover hinged on a bracelet link, said cover having a reduced length.
  • the bracelet retains line continuity and good grip on the wrist.
  • Fig. 3 shows the clasp of FIG. 1 closed and blocked.
  • Fig.4 shows a section along line IV-IV of fig. 2.
  • Fig. 5 shows, on an enlarged scale, the clasp of FIG. 1 at the time before blocking.
  • Fig. 6 shows the same clasp as that of FIG. 5, but in the locked position.
  • the arrangement shown in the figures comprises two parts 1 and 2 of a bracelet each composed of metal links connected on one side to the object to be worn, in particular a watch, and on the other side at the opposite ends of a extendable metal clasp with bars 3 and 4 to form a continuous loop.
  • the clasp comprises a first elongated rigid segment 5 and a second elongated semi-rigid segment 6, the two segments being attached together by means of a hinge 7.
  • the segment 5 is slightly curved to conform to the shape of the wrist. It is the same, but in a more pronounced way, of the segment 6 which further carries, near the bar 4 and on its concave face, a locking element 8.
  • the locking element has the shape of a beak and carries on one side an edge 81 which is bent in the direction of the hinge 7, and on the other side a transverse notch 82 terminated by a point also directed in direction of the hinge 7.
  • Said point has an internal edge 83 adjacent to the notch, an edge which is substantially parallel to the plane formed by the first segment 6. Thanks to this arrangement, the locking element 8 cannot escape holes 53 and 54 when the bracelet is closed since the inner edge 83 of the point will rest on the lower edge of hole 53 as shown in fig. 6.
  • the second segment 5 is formed by two half-segments 51 and 52 mounted to slide one inside the other longitudinally.
  • the half-segment 51 has raised edges forming a slide in which the half-segment 52 is engaged.
  • the half-segment 51 is fixed because it is articulated to the bracelet by means of the bar 3 and the half-segment 52, articulated to the first segment 6 by the hinge 7, is movable since it can slide in said half-segment 51.
  • the half-segment 51 carries a plurality of equidistant holes 53 (here three) while the half-segment 52 carries only one hole 54. As can be seen in FIG. 2, the hole 54 coincides with the third of the holes 53. In this position, the clasp can be locked at its maximum extension.
  • the segment 6 is folded over the segment 5 and, at the same time, the half-segment 52 is slid along the half-segment 51 using a cover 9 pivotally mounted on the bar 4, until the bracelet adapts to the dimensions of the wrist. Pressure is then exerted on the part 2 of the bracelet to compress the central region of the segment 6. As a result, the segment 6 is deformed and elongated and the locking element 8 with which it is provided can be introduced through the hole 54 and hole 53 which is the most suitable for the proper adaptation of the bracelet to the wrist, these two holes being, after a back and forth movement, aligned one on the other.
  • the wrist relaxes and causes the displacement of the half-segment 51 to the left, which results in engaging the notch 82 in the hole 53 and, on the other hand, the segment 6 resumes its normal curved shape and then causes the shortening of the distance separating the hinge 7 from the locking element 8.
  • the clasp is then blocked. As long as the wrist is slightly compressed, the blocking element will not slip out of the hole 53 and the point of the notch 82 cannot pass through the hole 54.
  • the strap is tightened to release the tip of the notch 82 from the hole 53 and pressure is exerted on part 2 of the strap to compress the central region of the segment 6.
  • the segment 6 elongates and the locking element 8 can come out of the holes 53 and 54.
  • the cam effect exerted by the edge 81 on the hole 54 also helps this release.
  • the opening of the clasp is facilitated by lifting the cover 9 by engaging a nail under the front tongue 10.
  • the cover 9 also has a rear tongue 11 which rests, when the clasp is locked, on a link 2 of the bracelet, a high torque is obtained which makes it possible to tear off the blocking element 8 holes in which it is engaged.
  • This rear tongue or overflow 11 also prevents the cover from flapping when the clasp is in the closed position.
  • the half-segments 51, 52 and the element 8 can be made of precious metals or other metals made hard by alloying or quenching.
  • a hardness of at least 140 Vickers is desirable in order to obtain a perfect gloss and to keep this gloss when the moving parts slide on each other.

Landscapes

  • Buckles (AREA)
EP84105245A 1983-05-13 1984-05-09 Fermoir extensible pour bracelet flexible, notamment pour bracelet-montre Expired EP0126382B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2109183 1983-05-13
IT21091/83A IT1163367B (it) 1983-05-13 1983-05-13 Chiusura invisibile estensibile per bracciale continuo flessibile, particolarmente per bracciale di orologio

Publications (2)

Publication Number Publication Date
EP0126382A1 EP0126382A1 (fr) 1984-11-28
EP0126382B1 true EP0126382B1 (fr) 1988-01-07

Family

ID=11176593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105245A Expired EP0126382B1 (fr) 1983-05-13 1984-05-09 Fermoir extensible pour bracelet flexible, notamment pour bracelet-montre

Country Status (6)

Country Link
US (1) US4545094A (enrdf_load_stackoverflow)
EP (1) EP0126382B1 (enrdf_load_stackoverflow)
JP (1) JPS6018103A (enrdf_load_stackoverflow)
DE (1) DE3468311D1 (enrdf_load_stackoverflow)
HK (1) HK29293A (enrdf_load_stackoverflow)
IT (1) IT1163367B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634107B1 (fr) * 1988-07-15 1990-11-02 Omega Sa Fermoir de bracelet extensible a reglage fin
ITMI910764U1 (it) * 1991-09-06 1993-03-06 Gtf Srl Dispositivo di chiusura per bracciali di orologi in metallo di tipo te ssuto o spinato, braccialetti, gioielli e simili
US5927577A (en) * 1997-05-16 1999-07-27 E. Gluck Corporation Foldover buckle extender
KR20010022340A (ko) * 1997-07-28 2001-03-15 추후제출 팔찌용 접이식 버클
US6418760B1 (en) * 1999-05-28 2002-07-16 Ian J. Fettes Cam-type latch with lock
DE10063475C1 (de) * 2000-12-20 2002-09-05 Lutz Grothe Gliederarmbandverschluss für Uhren, Schmuck oder dgl.
CH702061A1 (fr) * 2009-10-26 2011-04-29 Thi Technologies Horlogeres Ind S A Fermoir extensible pour bracelet.
US8196267B2 (en) * 2009-11-11 2012-06-12 Trueposition, Inc. Assistance required locking clasp

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US857197A (en) * 1906-05-18 1907-06-18 Henry J Patterson Trunk-strap fastener.
GB234990A (en) * 1924-05-28 1925-06-11 Cecil Randolph Brinsley Tingey Improved expansible connecting device for bracelets and other articles of jewellery
US1673117A (en) * 1928-01-09 1928-06-12 Kestenman Bros Mfg Co Fastening device for straps, bands, and bracelets
US1768868A (en) * 1929-01-24 1930-07-01 Hadley Company Bracelet attachment
US1966063A (en) * 1931-02-18 1934-07-10 Hadley Company Inc Bracelet connecter
US2110772A (en) * 1931-10-19 1938-03-08 Providence Stock Company Extension device
US1863917A (en) * 1932-02-27 1932-06-21 S O Bigney & Company Bracelet buckle
US2363590A (en) * 1943-10-23 1944-11-28 Kestenman Bros Mfg Co Clasp or connector for watch bracelets or the like
US2491977A (en) * 1947-07-21 1949-12-20 Heller Miriam Fastening device for bracelets and wristbands
US2500649A (en) * 1948-06-12 1950-03-14 Swiss Radium & Dial Painting C Fastener for wristbands
US2596186A (en) * 1948-09-24 1952-05-13 Carl Art Inc Extension device
US2738561A (en) * 1952-04-02 1956-03-20 Sanford S Trilling Fastener device
FR1100923A (fr) * 1954-03-08 1955-09-26 Pince perfectionnée
CH352175A (fr) * 1959-02-13 1961-02-15 Longines Montres Comp D Elément de bracelet
CH465295A (fr) * 1967-11-10 1968-11-15 Gay Freres Sa Fermoir de bracelet métallique
US3550216A (en) * 1969-06-13 1970-12-29 Jacoby Bender Extendible buckle for securing the ends of a bracelet and the like
US3696469A (en) * 1971-11-12 1972-10-10 Harry Kalinsky Wrist band and buckle therefor
FR2184440B1 (enrdf_load_stackoverflow) * 1972-05-17 1976-01-16 Cartier Fr
IT995237B (it) * 1973-08-28 1975-11-10 Fontana Fernando Spa Dispositivo di chiusura per bracciali metallici flessibili particolarmente per bracciali di orologi
CH633697A5 (fr) * 1979-10-01 1982-12-31 Gay Freres Sa Bracelet metallique.

Also Published As

Publication number Publication date
JPS6018103A (ja) 1985-01-30
JPH0134603B2 (enrdf_load_stackoverflow) 1989-07-20
IT8321091A0 (it) 1983-05-13
DE3468311D1 (en) 1988-02-11
EP0126382A1 (fr) 1984-11-28
US4545094A (en) 1985-10-08
HK29293A (en) 1993-04-02
IT1163367B (it) 1987-04-08

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