EP0287583A1 - Bracelet fastener. - Google Patents

Bracelet fastener.

Info

Publication number
EP0287583A1
EP0287583A1 EP19870906065 EP87906065A EP0287583A1 EP 0287583 A1 EP0287583 A1 EP 0287583A1 EP 19870906065 EP19870906065 EP 19870906065 EP 87906065 A EP87906065 A EP 87906065A EP 0287583 A1 EP0287583 A1 EP 0287583A1
Authority
EP
European Patent Office
Prior art keywords
cage
bracelet
clamping plate
clasp
plate
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
EP19870906065
Other languages
German (de)
French (fr)
Other versions
EP0287583B1 (en
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/en
Application granted granted Critical
Publication of EP0287583B1 publication Critical patent/EP0287583B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 latch and the other of which is a cage in which one or two scrolls moved, urged by a spring and capable of being operated by means of a projecting end which moves. 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 ease of opening.
  • the object of the present invention is to make 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 strap.
  • the present invention has for its object 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 for connecting one end of a bracelet strand, and a second element formed by a cage in which slides at least one transverse slider which is resiliently biased to hang on the latch and which presents means for retaining the another end of the bracelet per ⁇ putting to adjust the latter, characterized in that a movable clamping plate cooperates with said second element.
  • fig. 1 is a top plan view of the two ends of a strap equipped with a known form of exé ⁇ execution of a clasp with two slides
  • la.fig * 2 is a perspective view DCS ATEE larger scale of the clasp elements of fig ⁇ l fig.
  • 3 is a sectional view through a horizontal plane along the line III-III of FIG. 4 of the clasp of fig. 2, fig. 4 a sectional view along line IV-IV of FIG. 3 of the same clasp
  • fig. 5 is a perspective view on a smaller scale showing a variant of the clasp according to FIGS. 1 to 4, fig.
  • FIGS. 8 and 9 are views, respectively in exploded perspective and in section of another embodiment.
  • a 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 play the role of pushers and make it possible to move these sliders transversely relative to the brace ⁇ let whose links 4 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 reentrant part 2b, 3b, which acts as a locking rim.
  • each locking edge is provided with a groove 10, 11, formed in its thickness.
  • each slide 2 or 3 has a connecting zone 2ç_, 3c, which is a marginal zone passing next to the lock as will be seen below, while the outline of the slides 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.
  • the two locking edges 2b and 3b are pressed one against the other, enclosing the lock between them and the slide 3 is pressed by a portion of its periphery against the pin 9.
  • the other element of the clasp visible more particularly in FIG. 2 and 4 comprises a plate 13 which can be housed under the cage 1 and which is connected to 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 plate 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 coulis ⁇ buckets 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 a slide 19 with a profile in U, the sides of which have holes making it possible to connect 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 bracelet 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 sliders 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 leather or plastic strap elements, generally elements of a flexible bracelet.
  • the element 28 is connected via 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 segment of sheet metal of triangular shape. 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 tongue raised 32 which will surround the bar 29 in a notch formed in the bracelet element 28.
  • the lock 33 consisting of a cylindrical rod provided with an overhanging head is driven by its foot into a hole in the plate 30.
  • the hooking element 30 cooperates in this fer ⁇ moir with a cage 34 which, as seen in FIG. 6, consists of a segment of rolled and folded sheet metal so as to comprise a tubular part 35 of 0 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 cage 34 which, as seen in FIG. 6, consists of a segment of rolled and folded sheet metal so as to comprise a tubular part 35 of 0 rectangular profile and a projecting part 36 whose profile is slightly triangular and which exceeds in height the upper level of the cage 35.
  • Inside the cage are housed two sliders 37 and 38 whose ends project on either side of -5 the cage 35 and are accessible so as to constitute pushers, these sliders having one and 1'autre a rim notched in an arc of circle capable of engaging under the head of the latch 33 "A spring (not shown in fig. 6) tends to spread the heads of the two 0 slides 37 and 38 one of the
  • a second bar 39 whose pivots serve as an axis of articulation to a clamping plate 40.
  • the latter also consists of a plate of cut sheet metal, folded and stamped, the 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 through inside the projecting part 36.
  • the edge of the plate 40 that is to say the area which - - - tends between the ears 41 and 42, forms a domed boss 43 intended to cooperate with the rounded part which forms the top edge of the zone 36 of the part 34 of the clasp.
  • this part of the plate.40 could also include an interior clearance, invisible from the outside.
  • a very simple strap clasp is also obtained, the thickness dimensions of which are very small and which can be used to adjust the length of a flexible strap to the nearest millimeter, in particular a watch strap. .
  • any untimely stalling 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 is constituted by a hooking plate 44 provided with two raised edges 45 in which engage the pivots of a bar connected to one end of a .brin 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 the element 34, ie. which contains two slides 49 and 50 engaged in the cage 47 transversely movable "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 engagement of the lock 46.
  • the clamping plate 48 is designed to play the same role as the plate 40 of the device, according to Fig.
  • the element 48 carries on its face turned towards the cage a head 57 fixed, for 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 towards the side of the slider having the shortest stroke by pressing the other slider fully then to allow the other slider to return through the opening 56 of the corresponding edge. 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 engages 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.

Abstract

Fermoir, notamment pour bracelet, permettant outre la fermeture, l'ajustage et le blocage de ce dernier, comportant un premier élément constitué d'une plaquette (30) pourvue d'un verrou (33) et présentant des moyens de liaison à une extrémité d'un brin de bracelet, et un second élément comportant une cage (35) dans laquelle coulisse au moins un coulisseau transversal (38) sollicité élastiquement pour s'accrocher au verrou (33) et présentant des moyens de retenue de l'autre extrémité du bracelet permettant d'ajuster ce dernier, caractérisé en ce qu'une plaque de serrage mobile (40) coopère avec ledit second élément.Clasp, in particular for a bracelet, allowing, in addition to closing, adjustment and blocking of the latter, comprising a first element consisting of a plate (30) provided with a lock (33) and having connection means at one end of a bracelet strand, and a second element comprising a cage (35) in which slides at least one transverse slide (38) elastically urged to hang on the latch (33) and having means for retaining the other end of the bracelet making it possible to adjust the latter, characterized in that a movable clamping plate (40) cooperates with said second element.

Description

Fermoir de bracelet Bracelet clasp
On connaît déjà des fermoirs de bracelet dont un des éléments comporte un verrou rigide et l'autre une cage dans laquelle se déplace un ou deux'coulis- seaux sollicités par un ressort et susceptibles d'être manoeuvres au moyen d'une extrémité saillante qui fait office de poussoir. Ces fermoirs présentent l'avantage de permettre des réalisations esthétiques aptes à être incorporées à des bracelets prévus pour des montres de haut de gamme. En outre, ils présentent une sécurité remarquable et une grande facilité d'ouverture.Bracelet clasps are already known, one of the elements of which comprises a rigid latch and the other of which is a cage in which one or two scrolls moved, urged by a spring and capable of being operated by means of a projecting end which moves. 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 ease of opening.
Le but de la présente invention est de réali¬ ser un fermoir, notamment pour bracelet, qui, tout en conservant les avantages des fermoirs à poussoir déjà connus, permet des réalisations de faible épaisseur, de fabrication aisée et peu coûteuse, réglables en longueur, avec un bracelet souple.The object of the present invention is to make 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 strap.
Dans ce but, la présente invention a pour ob¬ jet un fermoir, notamment pour bracelet, permettant outre la fermeture l'ajustage et le blocage de ce der- nier, comportant un premier élément constitué d'une plaquette pourvue d'un verrou et présentant des moyens de liaison une extrémité d'un brin de bracelet, et un second élément formé d'une cage dans laquelle coulisse au moins un coulisseau transversal sollicité élasti- quement pour s'accrocher au verrou et présentant des moyens de retenue de l'autre extrémité du bracelet per¬ mettant d'ajuster ce dernier, caractérisé en ce qu'une plaque de serrage mobile coopère avec le dit second élément. Plusieurs formes de réalisation de l'objet deTo this end, the present invention has for its object 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 for connecting one end of a bracelet strand, and a second element formed by a cage in which slides at least one transverse slider which is resiliently biased to hang on the latch and which presents means for retaining the another end of the bracelet per¬ putting to adjust the latter, characterized in that a movable clamping plate cooperates with said second element. Several embodiments of the object of
1'invention vont être décrits ci-après en se référant au dessin annexé, dont: la fig. 1 est une vue en plan de dessus des deux extrémités d'un bracelet équipé d'une forme d'exé¬ cution connue d'un fermoir à deux coulisseaux, la.fig* 2 est une vue en perspective écl'atée à plus grande échelle des éléments du fermoir de la fig≈l la fig. 3 est une vue en coupe par un plan ho¬ rizontal selon la ligne III-III de la fig. 4 du fermoir de la fig. 2, la fig. 4 une vue en coupe selon la ligne IV-IV de la fig. 3 du même fermoir, la fig. 5 une vue en perspective à plus petite échelle montrant une variante du fermoir selon les fig. 1 à 4, les fig. 6 et 7 représentent en perspective éclatée et en coupe une forme de réalisation du fermoir selon l'invention, et les fig. 8 et 9 sont des vues, respectivement en perspective éclatée et en coupe d'une autre forme de réalisation. a fig. 1 montre approximativement l'allure du fermoir qui va être décrit. Un élément 1 de ce fermoir est une cage contenant deux coulisseaux 2 et 3 dont on voit saillir à la fig. 1 les extrémités extérieures qui ,jouent le rôle de poussoirs et permettent de déplacer ces coulisseaux transversalement par rapport au brace¬ let dont les maillons 4 sont reliés les uns aux autres par des éléments intercalaires 5. Dans la forme d'exé¬ cution de la fig. 1, un élément intercalaire supplémen¬ taire 6 permet d'assurer le réglage fin de la longueur du bracelet. En enlevant cet élément, on peut régler la longueur du bracelet à un nombre demi entier de maillons. La cage 1 est constituée d'une pièce de tôle pliée en forme de segment tubulaire à profil rectangu¬ laire plat. Le fond de la cage 1 présente une ouverture 7 et sur l'un de ses côtés sont soudés des éléments de raccordement 8. De plus, une goupille de retenue repré¬ sentée en 9 à la fig. 3, assure le maintien des deux coulisseaux 2 et 3 qui sont constitués par des segments de tôle découpés, de forme allongée, dont la largeur est adaptée à celle de l'espace interne de la cage 1. La disposition des deux coulisseaux 2 et 3 est également visible à la fig. 3. On voit que chaque coulisseau comporte à son extrémité extérieure une partie saillante 2a_ ou 3a qui fait office de poussoir et à son autre extrémité une partie rentrante 2b, 3b, qui fait office de rebord de verrouillage. Chaque rebord de verrouillage est muni d'une saignée 10, 11, ménagée dans son épaisseur. Finalement, chaque coulisseau 2 ou 3 comporte une zone de liaison 2ç_, 3c, qui est une zone marginale passant à côté du verrou comme on le verra plus loin, tandis que le contour des coulisseaux ménage un espace transversal suffisant pour loger encore dans la cage 1 un ressort à boudin 12 qui sollicite les coulisseaux vers l'extérieur. Le contour de chacun des coulisseaux est découpé de façon à ménager des zones de guidage soit avec les parois de la cage 1, soit avec des zones correspondantes de l'autre coulisseau. Comme on le voit à la fig. 3, sous l'action du ressort 12, les deux rebords de verrouillage 2b et 3b sont pressés l'un contre l'autre en enserrant entre eux le verrou et le coulisseau 3 est appuyé par une partie de son pourtour contre la goupille 9. L'autre élément du fermoir visible plus parti¬ culièrement aux fig. 2 et 4 comporte une plaquette 13 qui peut venir se loger sous la cage 1 et qui est soli¬ daire d'un élément de liaison 14 susceptible d'être relié par une articulation à un élément 4 du bracelet. Sur la plaquette 13 est fixé le verrou proprement dit 15 qui a la forme d'une goupille cylindrique à tête élargie 15a. Cette goupille 15 est chassée dans un trou de la plaquette 13 comme on le voit à la fig. 4 et la hauteur de la tête élargie 15a est telle que cette tête vient se noyer dans les saignées 10 et 11 des coulis¬ seaux 2 et 3.The invention will be described below with reference to the accompanying drawing, of which: fig. 1 is a top plan view of the two ends of a strap equipped with a known form of exé¬ execution of a clasp with two slides, la.fig * 2 is a perspective view DCS ATEE larger scale of the clasp elements of fig≈l fig. 3 is a sectional view through a horizontal plane along the line III-III of FIG. 4 of the clasp of fig. 2, fig. 4 a sectional view along line IV-IV of FIG. 3 of the same clasp, fig. 5 is a perspective view on a smaller scale showing a variant of the clasp according to FIGS. 1 to 4, fig. 6 and 7 show in exploded perspective and in section an embodiment of the clasp according to the invention, and FIGS. 8 and 9 are views, respectively in exploded perspective and in section of another embodiment. a 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 play the role of pushers and make it possible to move these sliders transversely relative to the brace¬ let whose links 4 are connected to each other by intermediate elements 5. In the form of execution of the fig. 1, 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. In addition, 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 reentrant part 2b, 3b, which acts as a locking rim. Each locking edge is provided with a groove 10, 11, formed in its thickness. Finally, each slide 2 or 3 has a connecting zone 2ç_, 3c, which is a marginal zone passing next to the lock as will be seen below, while the outline of the slides 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 the lock between them and the slide 3 is pressed by a portion of its periphery against the pin 9. The other element of the clasp visible more particularly in FIG. 2 and 4 comprises a plate 13 which can be housed under the cage 1 and which is connected to a connecting element 14 capable of being connected by an articulation to an element 4 of the bracelet. On the plate 13 is fixed 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 plate 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 coulis¬ buckets 2 and 3.
Revenant à la fig. 3, on voit que si l'on presse par inadvertance sur l'un des poussoirs 2 ^ ou 3a l'autre coulisseau reste en place de sorte que la cage 1 ne se dégage pas du verrou 15. Il est effictivement nécessaire de presser sur les deux poussoirs 2<ι et 3SL simultanément pour que le dégagement puisse avoir lieu de sorte que la sécurité requise est pleinement réali- sée. On remarque encore en comparant les fig. 3 et 4 d'une part avec la fig. 2 d'autre part que l'on a re¬ présenté là deux variantes dans la disposition et la forme des éléments de raccordement 14 et 8.Returning to fig. 3, it can be seen that if one inadvertently presses on one of the pushers 2 ^ or 3a the other slide remains in place so that the cage 1 does not disengage from the latch 15. It is absolutely necessary to press on the two pushbuttons 2 <ι and 3SL simultaneously so that the release can take place so that the required safety is fully achieved. We still notice by comparing figs. 3 and 4 on the one hand with fig. 2 on the other hand that two variants have been presented there in the arrangement and the shape of the connection elements 14 and 8.
La fig. 5 montre encore un autre agencement possible utilisant le même genre de fermoir. Deux extrémités d'un bracelet 16 qui peut être un bracelet souple d'un type quelconque sont reliées en permanence par une portefeuille constitué de deux lames rigides articulées l'une à l'autre 17 et 18 et d'une coulisse 19 à profil en U dont les côtés présentent des trous permettant de relier une extrémité de la lamelle rigide 18 à l'endroit voulu le long de cette coulisse 19 qui par ailleurs est articulée à l'une des extrémités du bracelet 16, tandis que l'autre extrémité est articulée à une extrémité de la languette rigide 17. Comme on le voit à la fig. 5, cette dernière porte un verrou 20 ayant la même constitution que le verrou 15. La partie antérieure de la coulisse 19 est conformée de façon à constituer une cage dans laquelle sont montés deux coulisseaux (non représentés) et un ressort présentant la même disposition que les coulisseaux 2 et 3 et le ressort 12. On obtient ainsi un fermoir de portefeuille qui présente une sécurité ne dépendant aucunement de la fatigue d'une languette élastique comme c'est le cas dans la plupart des fermoirs à portefeuille connus. On va décrire à présent deux autres formes d'exécution fermoir qui font plus particulièrement l'objet de l'invention. Une forme d'exécution utilise deux éléments de verrouillage dont l'un est un plot saillant muni d'une tête et l'autre un logement ménagé dans une cage contenant deux coulisseaux sollicités par un ressort.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 a slide 19 with a profile in U, the sides of which have holes making it possible to connect 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 bracelet 16, while the other end is articulated at one end of the rigid tongue 17. As can be seen in FIG. 5, 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 sliders 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. We will now describe two other forms of clasp which are more particularly the subject of the invention. 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.
Dans cette forme d'exécution qui est repré- sentée aux fig. 6 et 7, la constitution des éléments du fermoir est encore plus simple que dans la première forme d'exécution exposée plus haut. Les deux éléments de bracelet qu'il s'agit de relier sont désignés à la fig. 7 par 27 et 28. Ce sont des éléments de bracelet en cuir ou en matière plastique, de façon générale des éléments d'un bracelet souple. L'élément 28 est relié par l'intermédiaire d'une barrette à ressort classique 29 à une plaquette d'accrochage 30 qui joue le rôle de la plaquette 13 dans la première forme d'exécution. Comme on le voit à la fig. 6, cette plaquette 30 est découpée dans un segment de tôle de forme triangulaire. Elle présente deux rebord relevés 31 destinés à recevoir les pivots de la barrette 29 et au centre de son bord transversal elle présente une languette relevée 32 qui va entourer la barrette 29 dans une échancrure ménagée dans l'élément de bracelet 28. Le verrou 33 constitué d'une tige cylindrique munie d'une tête débordante est chassé par son pied dans un trou de la plaquette 30.In this embodiment which is represented in 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 leather or plastic strap elements, generally elements of a flexible bracelet. The element 28 is connected via a conventional spring bar 29 to a hooking plate 30 which plays the role of the plate 13 in the first embodiment. As seen in fig. 6, this plate 30 is cut from a segment of sheet metal of triangular shape. 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 tongue raised 32 which will surround the bar 29 in a notch formed in the bracelet element 28. The lock 33 consisting of a cylindrical rod provided with an overhanging head is driven by its foot into a hole in the plate 30.
L'élément d'accrochage 30 coopère dans ce fer¬ moir avec une cage 34 qui, comme on le voit à la fig. 6, est constitué est d'un segment de tôle roulé et plié de façon à comporter une partie tubulaire 35 de 0 profil rectangulaire et une partie saillante 36 dont le profil est légèrement triangulaire et qui dépasse en hauteur le niveau supérieur de la cage 35. A l'inté¬ rieur de la cage sont logés deux coulisseaux 37 et 38 dont les extrémités font saillie de part et d'autre de -5 la cage 35 et sont accessibles de façon à constituer des poussoirs, ces coulisseaux présentant l'un et 1'autre un rebord échancré en arc de cercle susceptible de s'engager sous la tête du verrou 33» Un ressort (non représenté à la fig. 6) tend à écarter les têtes des 0 deux coulisseaux 37 et 38 l'une de l'autre, de sorte que leurs rebords d'accrochage soient au contraire rapprochés l'un de l'autre et tendent à bloquer le verrou.The hooking element 30 cooperates in this fer¬ moir with a cage 34 which, as seen in FIG. 6, consists of a segment of rolled and folded sheet metal so as to comprise a tubular part 35 of 0 rectangular profile and a projecting part 36 whose profile is slightly triangular and which exceeds in height the upper level of the cage 35. Inside the cage are housed two sliders 37 and 38 whose ends project on either side of -5 the cage 35 and are accessible so as to constitute pushers, these sliders having one and 1'autre a rim notched in an arc of circle capable of engaging under the head of the latch 33 "A spring (not shown in fig. 6) tends to spread the heads of the two 0 slides 37 and 38 one of the 'other, so that their hooking edges are instead close to each other and tend to block the latch.
Dans la partie 36 de l'élément de fermoir 34 ^ est engagée une seconde barrette 39 dont les pivots servent d'axe d'articulation à une plaque de serrage 40. Cette dernière est également constituée d'une pla¬ quette de tôle découpée, pliée et emboutie dont les oreilles 41 rabattues verticalement lorsque la pla¬ 0 quette est horizontale sont munies de trous dans les¬ quels peuvent s'engager les- pivots de la barrette 39. Ainsi, cette plaque est articulée autour d'un axe passant à l'intérieur de la partie saillante 36. Le bord de la plaquette 40, c'est-à-dire la zone qui s'é- - - - tend entre les oreilles 41 et 42, forme un bossage bombé 43 destiné à coopérer avec la partie arrondie qui forme l'arête sommitale de la zone 36 de la partie 34 du fermoir. En variante cette partie de la plaque.40 pourrait aussi comporter un dégagement intérieur, inapparent de l'extérieur. Si à la fig. 7 on imagine la plaque de serrage 40 soulevée en position verticale, on se rend compte que la zone emboutie 43 va se trouver à une distance du flanc extérieur de la partie 36 qui est plus grande que celle à laquelle elle se trouve lorsque la plaque de serrage 40 est rabattue, de sorte que l'élément 27 de bracelet, s'il est engagé entre la plaque de serrage et l'arête sommitale de la zone 36, doit se trouver comprimé et serré contre la surface supérieure de la cage 34 qui constituera dès lors un dispositif de serrage et d'ajustage susceptible d'être réglé au millimètre près lorsqu'on utilise un bracelet souple. Cette combinaison ne gêne absolument pas l'accrochage de l'élément 34 au verrou 33 puisque la tête de ce dernier peur pénétrer dans un trou 44 de la paroi supérieure de la cage, alors que le reste de cette paroi supérieure sert d'appui pour la partie libre de l'élément 27 du bracelet. Dans cette forme d'exécution, on obtient également un fermoir de brace- let très simple dont les dimensions en épaisseur sont très réduites et qui peut servir à régler au millimètre près la longueur d'un bracelet souple, notamment d'un bracelet de montre. Ici également tout décrochage in¬ tempestif est évité puisqu'il faut presser en même temps sur les deux poussoirs transversaux constitués par les têtes des coulisseaux 37 et 38.In the part 36 of the clasp element 34 ^ is engaged a second bar 39 whose pivots serve as an axis of articulation to a clamping plate 40. The latter also consists of a plate of cut sheet metal, folded and stamped, the ears 41 folded vertically when the plate is horizontal, are provided with holes in which the pivots of the bar 39 can engage. Thus, this plate is articulated around an axis passing through inside the projecting part 36. The edge of the plate 40, that is to say the area which - - - tends between the ears 41 and 42, forms a domed boss 43 intended to cooperate with the rounded part which forms the top edge of the zone 36 of the part 34 of the clasp. As a variant, this part of the plate.40 could also include an interior clearance, invisible from the outside. If in fig. 7 we imagine the clamping plate 40 raised in vertical position, we realize that the stamped area 43 will be at a distance from the outer flank of the part 36 which is larger than that at which it is when the plate tightening 40 is folded down, so that the bracelet element 27, if it is engaged between the tightening plate and the top edge of the zone 36, must be compressed and tightened against the upper surface of the cage 34 which will therefore constitute a tightening and adjustment device capable of being adjusted to the nearest millimeter when a flexible bracelet is used. This combination does not in any way interfere with the attachment of the element 34 to the latch 33 since the head of the latter may penetrate a hole 44 in the upper wall of the cage, while the rest of this upper wall serves as a support for the free part of the element 27 of the bracelet. In this embodiment, a very simple strap clasp is also obtained, the thickness dimensions of which are very small and which can be used to adjust the length of a flexible strap to the nearest millimeter, in particular a watch strap. . Here too, any untimely stalling 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.
La fig. 8 est une vue correspondant à la fig. 6, mais représentant une autre forme d'exécution de l'objet de l'invention. Comme dans l'exécution de la fig. 6, un des éléments de fermoir est constitué par une plaquette d'accrochage 44 munie de deux rebords relevés 45 dans lesquels s'engagent les pivots d'une barrette liée à une extrémité d'un .brin du bracelet. La plaquette 44 porte un verrou rigide 46.Fig. 8 is a view corresponding to FIG. 6, but representing another embodiment of the object of the invention. As in the execution of the Fig. 6, one of the clasp elements is constituted by a hooking plate 44 provided with two raised edges 45 in which engage the pivots of a bar connected to one end of a .brin of the bracelet. The plate 44 carries a rigid lock 46.
L'autre élément du fermoir comporte la cage 47 et la plaque de serrage 48. La cage 47 est un dispo¬ sitif du même genre que l'élément 34, c.à.d. quelle contient deux coulisseaux 49 et 50 engagés dans la cage 47 mobiles transversalement" et comportant chacun un élément d'accrochage 51 pour le coulisseau 49 et 52 pour le coulisseau 50. Un ressort (non représenté) sollicite les coulisseaux de façon à les maintenir dans une position où une arête des éléments de verrouillage 51 et 52 est engagée sous la tête du verrou 46 et où les extrémités extérieures des coulisseaux sont saillantes des deux côtés de la cage 47. Un trou 53 traverse la cage de part en part et permet l'engagement du verrou 46. D'autre part, la plaque de serrage 48 est des¬ tinée à jouer le même rôle que la plaque 40 du disposi¬ tif, selon la fig. 6, mais au lieu d'être articulée sur une partie arrière de la cage, elle a ici la forme d'un étrier muni de deux rebords latéraux symétriques 54 et 55. Ces deux rebords s'engagent de part et d'autre de la cage 47 et ils présentent chacune une ouverture 56 ajustée de façon à s'engager sur l'un des coulisseaux 49 ou 50. Pour la mise en place de cette plaque de serrage, l'agencement des coulisseaux est di ensionné de telle façon que l'un des coulisseaux a une course suffisante de façon à pouvoir s'effacer entièrement à l'intérieur de la cage 47 tandis que l'autre coulisseau reste légèrement saillant hors de cette cage sur une longueur correspondant à l'épaisseur de l'élément 48. La plaque de serrage 48 sert à fixer à la cage 47 une partie extrême de l'autre brin du bracelet. Au lieu de pincer le brin du bracelet comme c'était le cas dans l'exécution de la fig. 6, l'élément 48 porte.sur sa face tournée vers la cage un têt n 57 fixé, par exemple par soudage et qui s'engage dans un trou 58 de la partie extrême du brin 59 du bracelet (v. fig. 9). Du fait que la course d'un des coulisseaux 49 et 50 est plus longue que celle de l'autre, la mise en place de l plaque 48 s'effectue sans outils spécial. Il suffit d'accrocher tout d'abord le rebord 54 ou 55 qui est tourné du côté du coulisseau ayant la course la plus courte en pressant l'autre coulisseau à fond puis de laisser revenir l'autre coulisseau à travers l'ouverture 56 du rebord correspondant. La fig. 9 montre en coupe comment l'élément 44 est relié à une extrémité du brin 60 du bracelet par l'intermédiaire d'une barrette 61 et comment l'élément 47, 48 est disposé de façon que le brin 59 soit superposé à cet élément de sorte que la cage 47 vient s'engager au-dessus de la plaque 44 et en retrait par rapport à la partie saillante constituée par les deux rebords 45. L'ensemble du fermoir présente une disposition de très faible hauteur. La réalisation décrite permet d'autre part des exécutions de haute valeur esthétique, notamment dans le cas où la plaque de serrage 48 ou 40 est ornée sur sa face supérieure d'un décor qui peut être en relief ou réalisée d'une autre manière. Quelle que soit la variante choisie, le fermoir décrit peut être réalisé sous forme d'un objet de bijouterie d'une haute qualité d'exécution.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 the element 34, ie. which contains two slides 49 and 50 engaged in the cage 47 transversely movable "and each comprising a hooking element 51 for the slide 49 and 52 for the slide 50. A spring (not shown) 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 engagement of the lock 46. On the other hand, the clamping plate 48 is designed to play the same role as the plate 40 of the device, according to Fig. 6, but instead of being articulated on a part back 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 to commit to the 'one of the sliders 49 or 50. For the installation of this clamping plate, the arrangement of the sliders is dimensioned in such a way that one of the sliders has a sufficient stroke so that it can be completely erased when the inside the cage 47 while the other slide 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. Instead of pinching the strand of the bracelet as was the case in the execution of fig. 6, the element 48 carries on its face turned towards the cage a head 57 fixed, for 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 towards the side of the slider having the shortest stroke by pressing the other slider fully then to allow the other slider to return through the opening 56 of the corresponding edge. Fig. 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 engages 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.
Les deux formes d'exécution décrites se prêtent à des réalisations de fermoirs sur n'importe quel type de bracelet souple que ce soit des bracelets en cuir, en caoutchouc, en matière plastique ou même, le cas échéant des bracelets métalliques de type milanais. The two embodiments described lend themselves to the production of clasps on any type of flexible bracelet, whether bracelets. leather, rubber, plastic or even, if necessary, Milanese-style metal bracelets.

Claims

REVENDICATIONS
1. Fermoir, notamment pour bracelet, permettant outre la fermeture, l'ajustage et le .blocage de ce dernier, comportant un premier élément constitué d'une plaquette pourvue d'un verrou et présentant des moyens de liaison à une extrémité d'un brin de bracelet, et un second élément formé d'une cage dans laquelle coulisse au moins un coulisseau transversal sollicité élasti- quement pour s'accrocher au verrou et présentant des moyens de retenue de 1'autre extrémité du bracelet permettant d'ajuster ce dernier, caractérisé en ce qu'une plaque de serrage mobile coopère avec le dit second élément.1. Clasp, in particular for a bracelet, allowing, in addition to closing, adjustment and .blocking of the latter, comprising a first element consisting of a plate provided with a lock and having means of connection at one end of a bracelet strand, and a second element formed by a cage in which slides at least one transverse slide resiliently biased to hang on the lock and having means for retaining the other end of the bracelet allowing the latter to be adjusted , characterized in that a movable clamping plate cooperates with said second element.
2. Fermoir selon la revendication 1, caractérisé en ce que le dit second élément comporte, au voisinage de la cage, une partie saillante qui forme une arête transversale sur l'axe de laquelle est articulée la plaque de serrage qui coopère dans une position ra¬ battue avec la dite partie saillante pour pincer la dite partie extrême du brin de bracelet.2. Clasp according to claim 1, characterized in that said second element comprises, in the vicinity of the cage, a projecting part which forms a transverse edge on the axis of which is articulated the clamping plate which cooperates in a ra position ¬ beaten with said protruding part to pinch said end part of the bracelet strand.
3. Fermoir selon la revendication 1, caractérisé en ce que la plaque de serrage est amovible et est pourvue d'un téton qui s'engage dans un trou de la dite partie extrême du brin de bracelet.3. Clasp according to claim 1, characterized in that the clamping plate is removable and is provided with a stud which engages in a hole in said end portion of the bracelet strand.
4. Fermoir selon la revendication 3, caractérisé en ce que la plaque de serrage est superposée à la cage et est liée à cette dernière de manière amovible par engagement d'une extrémité d'un ou des coulisseaux faisant office de poussoir dans au moins une ouverture que présente un rebord latéral de la plaque de serrage. 4. Clasp according to claim 3, characterized in that the clamping plate is superimposed on the cage and is linked to the latter in a removable manner by engagement of one end of one or more slides acting as a pusher in at least one opening that has a side edge of the clamping plate.
5. Fermoir selon la revendication 4, dans lequel 1'élément portant la plaque de serrage comporte deux coulisseaux, caractérisé en ce que l'un des coulisseaux a une course supérieure à celle de l'.autre de manière à pouvoir dégager le rebord correspondant lorsqu'il est enfoncé entièrement dans la cage. 5. Clasp according to claim 4, wherein the element carrying the clamping plate comprises two sliders, characterized in that one of the sliders has a stroke greater than that of the other so as to be able to release the corresponding flange when fully inserted into the cage.
EP19870906065 1986-10-02 1987-10-01 Bracelet fastener Expired - Lifetime EP0287583B1 (en)

Applications Claiming Priority (2)

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

Publications (2)

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

Family

ID=4266825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870906065 Expired - Lifetime EP0287583B1 (en) 1986-10-02 1987-10-01 Bracelet fastener

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EP (1) EP0287583B1 (en)
JP (1) JP2534290B2 (en)
WO (1) WO1988002225A1 (en)

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JPH0298708U (en) * 1988-05-27 1990-08-07
JP2695670B2 (en) * 1988-05-27 1998-01-14 シチズン時計株式会社 Watch band middle clasp
DE9002362U1 (en) * 1990-02-28 1990-05-03 Rueschenbeck, Wilhelm, 4600 Dortmund, De
DE69107346T2 (en) * 1990-06-15 1995-06-14 Citizen Watch Co Ltd Buckle for bracelets.
BR9204887A (en) * 1991-12-23 1993-06-29 Comision Nac Energ Atom PROCESS FOR FORMING A SOLID SUBSTRATE ON A PROPERTY FILM SIMILAR TO THE DIAMOND, THE SOLID BODIES SO COATED AND THE COVERED FILM SO OBTAINED
JP2594187Y2 (en) * 1992-05-12 1999-04-19 シチズン時計株式会社 Watch band clasp structure
JPH06327508A (en) * 1993-03-26 1994-11-29 Citizen Watch Co Ltd Middle holding structure for watch band
EP0714616B1 (en) * 1994-05-20 2000-08-16 Citizen Watch Co. Ltd. Center binding metal buckle for band-shaped ornament
US7849566B2 (en) * 2007-04-12 2010-12-14 Seiko Epson Corporation Clasp, band with a clasp, portable device, timepiece, and accessory
JP5125484B2 (en) * 2007-04-12 2013-01-23 セイコーエプソン株式会社 Fasteners, elongate bodies, portable devices, watches, accessories
EP2803287B1 (en) 2013-05-16 2016-04-13 Synergies Horlogeres SA Fastener for a bracelet

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CH250438A (en) * 1945-02-08 1947-08-31 Paolini Jean Loop to connect the two ends of a link together.
CH281531A (en) * 1950-03-06 1952-03-15 Wisard Fernand Clasp for link, especially for bracelet.
FR1101905A (en) * 1954-06-03 1955-10-12 Closing system for bracelets, watch bracelets or others
FR1176866A (en) * 1957-06-27 1959-04-16 Automatic system for loop and watch strap clasp
GB2012855B (en) * 1977-07-28 1982-07-14 Stelux Mfg Co Ltd Fastener
IT7822931V0 (en) * 1978-10-02 1978-10-02 Fontana Fernando S P A ADJUSTMENT AND CLOSING DEVICE FOR WRISTWATCH BRACELET, FITABLE BOTH ON METALLIC STRAP AND ON LEATHER STRAP OR OTHER MATERIAL.
JPS5577425U (en) * 1979-10-02 1980-05-28

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See references of WO8802225A1 *

Also Published As

Publication number Publication date
JPS63502407A (en) 1988-09-14
JP2534290B2 (en) 1996-09-11
WO1988002225A1 (en) 1988-04-07
EP0287583B1 (en) 1990-08-22

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