EP0287583B1 - Fermoir de bracelet - Google Patents

Fermoir de bracelet Download PDF

Info

Publication number
EP0287583B1
EP0287583B1 EP19870906065 EP87906065A EP0287583B1 EP 0287583 B1 EP0287583 B1 EP 0287583B1 EP 19870906065 EP19870906065 EP 19870906065 EP 87906065 A EP87906065 A EP 87906065A EP 0287583 B1 EP0287583 B1 EP 0287583B1
Authority
EP
European Patent Office
Prior art keywords
bracelet
cage
clamping plate
clasp
slide
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
EP19870906065
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0287583A1 (fr
Inventor
Elio Granito
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.)
Dexel SA
Original Assignee
Dexel 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 Dexel SA filed Critical Dexel SA
Publication of EP0287583A1 publication Critical patent/EP0287583A1/fr
Application granted granted Critical
Publication of EP0287583B1 publication Critical patent/EP0287583B1/fr
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
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2052—Fasteners provided with at least one push-button acting parallel to the main plane of the fastener and perpendicularly to the direction of the fastening

Definitions

  • Bracelet clasps are already known, one of the elements of which comprises a rigid lock and the other of which is a cage in which moves one or two sliders biased by a spring and capable of being maneuvered by means of a projecting end which acts as a pusher. These clasps have the advantage of allowing aesthetic achievements capable of being incorporated into straps intended for high-end watches. In addition, they offer remarkable security and great ease of opening.
  • the object of the present invention is to produce a clasp, in particular for a bracelet, which, while retaining the advantages of push-button clasps already known, allows constructions of small thickness, easy to manufacture and inexpensive, adjustable in length, with a flexible bracelet.
  • the subject of the present invention is a clasp, in particular for a bracelet, allowing, in addition to closing, the adjustment and blocking of the latter, comprising a first element consisting of a plate provided with a lock and having means of connecting one end of a bracelet strand, and a second element formed by a cage in which slides at least one transverse slide elastically biased to hang on the latch and having means for retaining the other end of the bracelet allowing 'adjust the latter, characterized in that a movable clamping plate cooperates with said second element.
  • Fig. 1 shows approximately the shape of the clasp which will be described.
  • An element 1 of this clasp is a cage containing two slides 2 and 3 which can be seen protruding in FIG. 1 the outer ends which act as pushers and allow these slides to be moved transversely relative to the bracelet, the links 4 of which are connected to each other by intermediate elements 5.
  • an additional intermediate element 6 ensures fine adjustment of the length of the bracelet. By removing this element, you can adjust the length of the bracelet to a half whole number of links.
  • the cage 1 consists of a piece of sheet metal folded in the form of a tubular segment with a flat rectangular profile.
  • the bottom of the cage 1 has an opening 7 and on one of its sides are welded connection elements 8.
  • a retaining pin shown at 9 in FIG. 3 maintains the two slides 2 and 3 which are constituted by cut sheet metal segments, of elongated shape, the width of which is adapted to that of the internal space of the cage 1.
  • the arrangement of the two slides 2 and 3 is also visible in fig. 3. We see that each slide has at its outer end a projecting part 2a or 3a which acts as a pusher and at its other end a re-entrant part 2b, 3b, which acts as a locking rim.
  • each locking edge is provided with a groove 10, 11, formed in its thickness.
  • each slider 2 or 3 has a connecting zone 2c, 3c, which is a marginal zone passing next to the bolt as will be seen below, while the outline of the sliders provides sufficient transverse space to accommodate still in the cage. 1 a coil spring 12 which biases the slides outwards.
  • the outline of each of the sliders is cut so as to provide guide zones either with the walls of the cage 1, or with corresponding zones of the other slider-As seen in FIG. 3, under the action of the spring 12, the two locking edges 2b and 3b are pressed one against the other, enclosing between them the lock and the slide 3 is pressed by a part of its periphery against the pin 9.
  • the other element of the clasp visible more particularly in FIGS. 2 and 4 comprises a plate 13 which can be housed under the cage 1 and which is integral with a connecting element 14 capable of being connected by an articulation to an element 4 of the bracelet.
  • the actual lock 15 which has the shape of a cylindrical pin with an enlarged head 15a. This pin 15 is driven into a hole in the wafer 13 as seen in FIG. 4 and the height of the enlarged head 15a is such that this head drowns in the grooves 10 and 11 of the slides 2 and 3.
  • Fig. 5 shows yet another possible arrangement using the same kind of clasp.
  • Two ends of a bracelet 16 which can be a flexible bracelet of any type are permanently connected by a portfolio made up of two rigid blades hinged to each other 17 and 18 and of a slide 19 with a profile in U whose sides have holes for connecting one end of the rigid strip 18 at the desired location along this slide 19 which moreover is articulated at one of the ends of the strap 16, while the other end is articulated at one end of the rigid tongue 17.
  • the latter carries a lock 20 having the same constitution as the lock 15.
  • the front part of the slide 19 is shaped so as to constitute a cage in which are mounted two slides (not shown) and a spring having the same arrangement as the slides 2 and 3 and the spring 12.
  • a wall clasp is thus obtained which has a security which does not depend in any way on the fatigue of an elastic tongue, as is the case in most known wall clasps.
  • One embodiment uses two locking elements, one of which is a protruding stud provided with a head and the other a housing formed in a cage containing two slides biased by a spring.
  • FIGS. 6 and 7 the constitution of the elements of the clasp is even simpler than in the first embodiment described above.
  • the two bracelet elements to be connected are designated in FIG. 7 by 27 and 28. These are elements of a leather or plastic bracelet, generally elements of a flexible bracelet.
  • the element 28 is connected by means of a conventional spring bar 29 to a hooking plate 30 which plays the role of the plate 13 in the first embodiment.
  • this plate 30 is cut from a triangular sheet segment. It has two raised edges 31 intended to receive the pivots of the bar 29 and at the center of its transverse edge it has a raised tongue 32 which will surround the bar 29 in a notch formed in the bracelet element 28.
  • the lock 33 formed a cylindrical rod provided with a projecting head is driven by its foot into a hole in the plate 30.
  • the hooking element 30 cooperates in this clasp with a cage 34 which, as seen in FIG. 6, is constituted by a segment of rolled and folded sheet metal so as to comprise a tubular part 35 of rectangular profile and a projecting part 36 whose profile is slightly triangular and which exceeds in height the upper level of the cage 35.
  • a the interior of the cage are housed two slides 37 and 38 whose ends project on either side of the cage 35 and are accessible so as to constitute pushers, these slides both having a flange indented in an arc capable of engaging under the head of the latch 33.
  • a spring (not shown in FIG. 6) tends to separate the heads of the two slides 37 and 38 from one another, so that their hooking edges are, on the contrary, close to one another and tend to block the latch.
  • a second bar 39 whose pivots serve as a hinge axis for a clamping plate 40.
  • the latter also consists of a cut sheet plate, folded and stamped whose ears 41 folded vertically when the plate is horizontal are provided with holes in which the pivots of the bar 39 can engage.
  • this plate is articulated around an axis passing inside the projecting part 36.
  • the edge of the plate 40 that is to say the zone which extends between the ears 41 and 42, forms a convex boss 43 intended to cooperate with the rounded part which forms the top edge of the zone 36 of part 34 of the clasp.
  • this part of the plate 40 could also include an interior clearance, invisible from the outside. If in fig.
  • a very simple bracelet clasp is also obtained, the thickness dimensions of which are very small and which can be used to adjust the length of a flexible bracelet, in particular a watch strap, to the nearest millimeter.
  • any untimely stall is avoided since it is necessary to press at the same time on the two transverse pushers constituted by the heads of the slides 37 and 38.
  • Fig. 8 is a view corresponding to FIG. 6, but representing another embodiment of the object of the invention.
  • one of the clasp elements consists of a hooking plate 44 provided with two raised edges 45 in which engage the pivots of a bar connected to one end of a strand of the bracelet.
  • the plate 44 carries a rigid lock 46.
  • the other element of the clasp comprises the cage 47 and the clamping plate 48.
  • the cage 47 is a device of the same kind as element 34, i.e. which contains two slides 49 and 50 engaged in the cage 47 movable transversely and each comprising a hooking element 51 for the slide 49 and 52 for the slide 50.
  • a spring biases the slides so as to hold them in a position where an edge of the locking elements 51 and 52 is engaged under the head of the bolt 46 and where the outer ends of the slides protrude on both sides of the cage 47.
  • a hole 53 passes through the cage right through and allows the engaging the lock 46.
  • the clamping plate 48 is intended to play the same role as the plate 40 of the device according to FIG. 6, but instead of being articulated on a rear part of the cage, it has here the shape of a stirrup provided with two symmetrical lateral edges 54 and 55. These two edges engage on either side of the cage 47 and they each have an opening 56 adjusted so as to engage on one of the slides 49 or 50.
  • the arrangement of the slides is dimensioned so that the one of the sliders has a sufficient stroke so that it can be completely erased inside the cage 47 while the other slider remains slightly protruding out of this cage over a length corresponding to the thickness of the element 48.
  • the clamping plate 48 serves to fix to the cage 47 an end part of the other strand of the bracelet.
  • the element 48 carries on its face turned towards the cage a stud 57 fixed by example by welding and which engages in a hole 58 in the end part of the strand 59 of the bracelet (see FIG. 9). Because the stroke of one of the sliders 49 and 50 is longer than that of the other, the positioning of the plate 48 is carried out without special tools. It suffices first of all to hang the rim 54 or 55 which is turned on the side of the slider having the shortest stroke by pressing the other slider fully then to let the other slider return through the opening 56 of the rim corresponding. Fig.
  • the clasp 9 shows in section how the element 44 is connected to one end of the strand 60 of the bracelet via a bar 61 and how the element 47, 48 is arranged so that the strand 59 is superimposed on this element of so that the cage 47 comes to engage above the plate 44 and recessed with respect to the projecting part constituted by the two flanges 45.
  • the whole of the clasp has an arrangement of very low height.
  • the described embodiment also allows executions of high aesthetic value, especially in the case where the clamping plate 48 or 40 is decorated on its upper face with a decoration which can be in relief or made in another way. Whatever the variant chosen, the clasp described can be produced in the form of a jewelry item of high quality of execution.

Landscapes

  • Adornments (AREA)
  • Buckles (AREA)
EP19870906065 1986-10-02 1987-10-01 Fermoir de bracelet Expired - Lifetime EP0287583B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH394386 1986-10-02
CH3943/86 1986-10-02

Publications (2)

Publication Number Publication Date
EP0287583A1 EP0287583A1 (fr) 1988-10-26
EP0287583B1 true EP0287583B1 (fr) 1990-08-22

Family

ID=4266825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870906065 Expired - Lifetime EP0287583B1 (fr) 1986-10-02 1987-10-01 Fermoir de bracelet

Country Status (3)

Country Link
EP (1) EP0287583B1 (ja)
JP (1) JP2534290B2 (ja)
WO (1) WO1988002225A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2803287A1 (de) 2013-05-16 2014-11-19 Synergies Horlogeres SA Verschluss für ein Armband

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298708U (ja) * 1988-05-27 1990-08-07
JP2695670B2 (ja) * 1988-05-27 1998-01-14 シチズン時計株式会社 時計バンドの中留金具
DE9002362U1 (de) * 1990-02-28 1990-05-03 Rüschenbeck, Wilhelm, 4600 Dortmund Uhrarmband mit Schloß
EP0461675B1 (en) * 1990-06-15 1995-02-15 Citizen Watch Co., Ltd. Buckle for bracelets
BR9204887A (pt) * 1991-12-23 1993-06-29 Comision Nac Energ Atom Processo para formar sobre um substrato solido uma pelicula de propriedade similares as do diamante,os corpos solidos assim revestidos e a pelicula revestida assim obtida
JP2594187Y2 (ja) * 1992-05-12 1999-04-19 シチズン時計株式会社 時計バンドの中留構造
JPH06327508A (ja) * 1993-03-26 1994-11-29 Citizen Watch Co Ltd 時計バンドの中留構造
WO1995031912A1 (fr) * 1994-05-20 1995-11-30 Citizen Watch Co., Ltd. Fermoir metallique central pour un bracelet en forme de bande
JP5125484B2 (ja) * 2007-04-12 2013-01-23 セイコーエプソン株式会社 締結具、これを備えた長尺体、携帯機器、時計、装身具
US7849566B2 (en) * 2007-04-12 2010-12-14 Seiko Epson Corporation Clasp, band with a clasp, portable device, timepiece, and accessory

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH250438A (fr) * 1945-02-08 1947-08-31 Paolini Jean Boucle pour relier entre elles les deux extrémités d'un lien.
CH281531A (fr) * 1950-03-06 1952-03-15 Wisard Fernand Fermoir pour lien, notamment pour bracelet.
FR1101905A (fr) * 1954-06-03 1955-10-12 Système de fermeture pour bracelets, bracelets-montres ou autres
FR1176866A (fr) * 1957-06-27 1959-04-16 Système automatique pour bouclette et fermoir de bracelet-montre
GB2012855B (en) * 1977-07-28 1982-07-14 Stelux Mfg Co Ltd Fastener
IT7822931V0 (it) * 1978-10-02 1978-10-02 Fontana Fernando S P A Dispositivo di regolazione e di chiusura per bracciale di orologio da polso, attuabile sia su cinturino metallico sia su cinturino di cuoio o di altro materiale.
JPS5577425U (ja) * 1979-10-02 1980-05-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2803287A1 (de) 2013-05-16 2014-11-19 Synergies Horlogeres SA Verschluss für ein Armband

Also Published As

Publication number Publication date
JPS63502407A (ja) 1988-09-14
EP0287583A1 (fr) 1988-10-26
JP2534290B2 (ja) 1996-09-11
WO1988002225A1 (fr) 1988-04-07

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