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EP0418276A1 - Clasp for articles of jewellery such as chains, bracelets or similar. - Google Patents

Clasp for articles of jewellery such as chains, bracelets or similar.

Info

Publication number
EP0418276A1
EP0418276A1 EP19890906139 EP89906139A EP0418276A1 EP 0418276 A1 EP0418276 A1 EP 0418276A1 EP 19890906139 EP19890906139 EP 19890906139 EP 89906139 A EP89906139 A EP 89906139A EP 0418276 A1 EP0418276 A1 EP 0418276A1
Authority
EP
European Patent Office
Prior art keywords
bolt
slot
finger
ring
clasp according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19890906139
Other languages
German (de)
French (fr)
Other versions
EP0418276B1 (en
Inventor
Michel Fournier
Jacqueline Fournier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT89906139T priority Critical patent/ATE87440T1/en
Publication of EP0418276A1 publication Critical patent/EP0418276A1/en
Application granted granted Critical
Publication of EP0418276B1 publication Critical patent/EP0418276B1/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
    • A44C5/2009—Fasteners for straps, chains or the like for open straps, chains or the like of the ring type
    • A44C5/2014—Fasteners for straps, chains or the like for open straps, chains or the like of the ring type of the spring ring type

Definitions

  • the present invention relates to improvements to clasps for jewelry items, such as chains, bracelets or the like, comprising:
  • the angular offset of the opening of the body of the clasp and its transfer in a region of the toric body close to the fixed ring makes it possible to ensure that the hooking ring of the other end of the jewelry item will be supported on the toric body, which is mechanically resistant with regard to its dimensions, and not on the bolt for closing the opening, which is mechanically weaker, as may occur in the production of clasps where the opening is located approximately opposite the fixed ring.
  • the object of the invention is therefore essentially to propose a particular arrangement of such a clasp which gives all satisfaction in terms of use, in particular with regard to its resistance and the reliability of the closure, which can be achieved. with a minimum of material, in particular a minimum of noble material (gold for example), and therefore at a lower cost, and which is easy to handle for the user, in particular which can be handled in the same way as a classic clasp.
  • a clasp of the aforementioned type arranged in accordance with the invention is essentially characterized in that:
  • the actuating finger is located at the free end or in the immediate vicinity of the free end of the bolt
  • At least one guide finger also projecting radially and engaged in a longitudinal slot of the body is carried by a region of the bolt remote from the end thereof supporting the actuating finger.
  • the actuating finger is sufficiently disengaged from the fixed ring and can be easily held by the user, even during the opening movement when the bolt is moved in the direction of the ring. fixed.
  • the presence of a guide finger improves the sliding of the bolt inside the toric body and avoids its jamming; it follows that the bolt (traditionally made quite long, precisely for its guidance in the toric body) can now be significantly shortened and, in the case of a manufacture of a precious metal such as gold, the financial gain thus obtained is very appreciable.
  • the bolt completely disappears in said body in the open position of the clasp: for this purpose, it is desirable that the body has a second longitudinal slot, located at the external periphery of the body and opening onto 1 'Ouvertu ⁇ re hooking, to receive the actuating finger at the end of the bolt opening stroke.
  • the first longitudinal slot intended for the guide finger is also located at the external periphery of the body and the guide finger extends radially outwards. It is then easier, for manufacturing, that the first and second slots are located one after the other and form a single slot.
  • the guide finger is located in a central region of the bolt and, in an exemplary embodiment, the fingers actuation and gui ⁇ dage can then be joined in a single piece in the form of a plate projecting radially outward from the bolt and having a longitudinal extent from the free end of the bolt.
  • the single slot extends under and beyond the fixed ring, and this ring is arranged in the shape of an arch spanning the slot, in order to provide a free passage for the guide finger; in this case, the fixed ring is a mechanically strong piece fixed to the body on either side of the slot and constituting a mechanical reinforcement preventing yawning of the edges of the slot.
  • the bolt has a length such that it extends over the entire length of the slot and conceals it when it is in the closed position: in this way, the spring remains permanently invisible and can be made of a material traditional (steel for example) of lower cost, while only the visible organs are made of a noble material (gold for example).
  • the first slot is arranged in the form of a lumen extending at the external periphery of the body, and the guide finger extends radially outwardly being located at the end of the opposite bolt to the one with the actuating finger.
  • the first slot is arranged in the form of a lumen extending at the internal periphery of the body and the guide finger extends radially towards the inside of the torus formed by the body ? the guide means (finger and slot) are then more or less concealed from view.
  • FIG. 1 is a front view, in partial section, of an embodiment of a clasp according to the invention
  • FIG. 1 is a side view of the clasp of Figure 1;
  • FIG. 3 and 4 are views, respectively of the front in partial section and from the side, of another embodiment of a clasp according to the invention
  • FIGS. 5 and 6 are front views in partial section of two other embodiments, respectively, of a clasp according to the invention.
  • Figures 7 and 8 are views, respective ⁇ ment from the side and from the front, - a variant of the mode of réa ⁇ realization of. Figures 3 and 4.
  • the spring clasp or ring shown in Figures 1 and 2 comprises an O-ring or body 1 formed by a welded, strong and rigid tube having an opening 3 extending over forty five degrees of which the two sections are exactly opposite; the internal diameter of this O-ring 1 is approximately twice that of the tube.
  • a small solid ring 2 is formed by a wire with a diameter greater than half that of the tube of the ring 1. This solid ring in the shape of a "U" is welded astride the tubular ring 1 for the hooking the end ring of a chain 12.
  • the opening 3 is placed in the quarter of the tubular ring 1 between the diametrical line (A-A ') perpendicular to the axis of the small fixed ring 2 and the small ring itself, that is to say say near the fixed ring 2.
  • a bolt 4 is formed of a solid wire of an adequate diameter whose curve is identical to that of the tube 1 to slide there perfectly. It is slightly longer than twice the opening 3.
  • This bolt is provided with a guide pin or guide finger 5 on its outer part, on its longitudinal axis; this finger is approximately a quarter of the diameter of the bolt and is located substantially in the center of the latter; its height is equal to or greater than the thickness of the outer wall of the tube 1.
  • a groove or slot 6 cut on the outside of the tube along its longitudinal axis is open on the section of the ring 1 at point 14.
  • This groove is significantly wider than the thickness of the guide post, just to give the desired game; it is cut below the small ring 2, long enough so that, when the guide pin is in contact with the bottom of the groove 15, the bolt completely releases the opening 3 of the spring ring.
  • the operating or actuating finger is placed practically at the head of the bolt: in this example, it is formed by a spherical tab 7, fixed by means of a small blade 9 of the same thickness and on the same line as the guide post.
  • the user presses the tab 7 with his nail, pressing on the small blade 9 which slightly protrudes from the outside wall of the tube, this blade allows the nail to pass easily through the entry from the groove at point 14, the bolt compresses the spring, the guide pin 5 rests at the bottom of the groove at point 15 and the head of the bolt is flush with the opening of the tube at point 14: in this position, the nail is then in the extension of the cut 14, to hang the end ring 13 just slide it on the nail in the opening, release the pressure, the bolt takes its place and the spring ring is locked.
  • the clasp shown in Figures 3 and 4 (on which the members identical to those of Figures 1 and 2 are designated by the same reference numbers increased by 20) is a variant consisting in that the bolt 24 is provided with a blade 25 is longer than the opening 23. This blade replaces the guide pin 5 and the small blade 9. It has the double effect of laterally guiding the bolt 24 and of transmitting the thrust received by the tab 27 placed substantially in blade head 25. With the bolt locked, this blade 25 rests against the tube at point 37, it is engaged in the groove 26 from point 34 to point 36. The operation is identical to that of the spring ring shown in FIGS. 1 and 2.
  • the clasp shown in FIG. 5 is another variant: the guide pin 45 is placed at the tail end 44; the guide slot 46 is also displaced and is located on the longitudinal axis of the tubular ring of the small solid ring 42 from point 54 to point 55; this slot 46 is then arranged in the form of an independent light.
  • the bolt completely clears the opening when the guide pin bears on the bottom of the groove at point 55.
  • a small groove 47 is cut at the edge of the opening 56, on the outside of the tubular ring so that the small blade 49 which carries the tab can be embedded therein.
  • the clasp shown in FIG. 6 is yet another variant: the guide pin 65 is at the tail end 64, but placed towards the inside of the tubular ring and the guide slot 66, also in the form of a lumen, is cut on the longitudinal axis inside the tubular ring from point 74 to point 75.
  • the small groove 67 is identical to that of the previous variant.
  • the diameter of the spring rings can be reduced, for example: a 5.5 mm spring ring according to the invention can replace a traditional spring ring from 6.5 to 7 mm.
  • Figures 7 and 8 show a variant of the fer ⁇ moir of Figures 3 and 4.
  • the significant length of the single slot 26 may mechanically weaken the ring toric and, under the influence of transverse forces in particular during actuations of the finger 27 during openings and closings, the edges of the slot 26 may be separated from one another.
  • the previous fixed ring, consisting of a single wire is here replaced by a solid piece 82 having the general shape of an 8, the lower loop of which is open, with its edges 83 welded to the external walls of the O-ring. 81, on either side of the lips of the slot 26.
  • the part 82 may have other conformations, insofar as the edges of the slot 26 are held firmly and prevented from moving apart. the other.

Landscapes

  • Adornments (AREA)

Abstract

L'invention concerne un fermoir de bijouterie du type anneau à ressort constitué d'un anneau tubulaire (21) présentant une ouverture (23) située à proximité d'un anneau fixe (22) entre la ligne (A-A') perpendiculaire à l'axe de l'anneau (22) et cet anneau lui-même; le pêne (24) comporte un doigt (25) engagé dans une fente longitudinale (26) pour le guider latéralement dans son coulissement longitudinal; ces moyens sont placés à distance de l'onglet (27) qui est disposé près de la tête du pêne (24).The invention relates to a jewelry clasp of the spring ring type consisting of a tubular ring (21) having an opening (23) located near a fixed ring (22) between the line (A-A ') perpendicular to the axis of the ring (22) and this ring itself; the bolt (24) comprises a finger (25) engaged in a longitudinal slot (26) to guide it laterally in its longitudinal sliding; these means are placed at a distance from the tab (27) which is arranged near the head of the bolt (24).

Description

FERMOIR POUR OBJET DE BIJOUTERIE TELS QUE CHAINES, BRACELETS OU ANALOGUES CLASP FOR JEWELRY OBJECTS SUCH AS CHAINS, BRACELETS OR THE LIKE
La présente invention concerne des perfection¬ nements apportés aux fermoirs pour objets de bijouterie, tels que chaînes, bracelets ou analogues, comportant :The present invention relates to improvements to clasps for jewelry items, such as chains, bracelets or the like, comprising:
- un corps en forme générale de tore creux, supportant un anneau fixe destiné à la liaison avec une extrémité du susdit objet, ledit corps présentant une ouverture d'accrochage pour le passage d'un autre anneau situé à l'extrémité opposée de l'objet et cette ouverture étant située à proximité de l'anneau fixe, dans un des quarts du tore proche de celui-ci,- A body in the general shape of a hollow torus, supporting a fixed ring intended for the connection with one end of the abovementioned object, said body having a hooking opening for the passage of another ring located at the opposite end of the object and this opening being located near the fixed ring, in one of the quarters of the torus close to it,
- un pêne en arc de cercle engagé à coulissement dans la partie du susdit corps supportant l'anneau fixe, ledit pêne étant muni d'un doigt radial saillant pour son actionnement manuel,a bolt in an arc of a circle engaged in sliding in the part of the aforesaid body supporting the fixed ring, said bolt being provided with a projecting radial finger for its manual actuation,
- et un ressort logé dans le corps et en appui contre le pêne pour repousser celui-ci en position de fermeture lorsqu'il a été écarté manuellement en position d'ou¬ verture.- And a spring housed in the body and pressing against the bolt to push it back into the closed position when it has been moved aside manually in the open position.
Le décalage angulaire de 1'ouverture du corps du fermoir et son report dans une région du corps torique proche de 1'anneau fixe permet d'assurer que 1'anneau d'accrochage de l'autre extrémité de l'objet de bijoute¬ rie sera en appui sur le corps torique, qui est mécani¬ quement résistant eu égard à ses dimensions, et non pas sur le pêne de fermeture de l'ouverture, qui est mécaniquement plus faible, comme cela peut se présenter dans des réalisations de fermoirs où l'ouverture se trouve approximativement à 1'opposé de 1'anneau fixe.The angular offset of the opening of the body of the clasp and its transfer in a region of the toric body close to the fixed ring makes it possible to ensure that the hooking ring of the other end of the jewelry item will be supported on the toric body, which is mechanically resistant with regard to its dimensions, and not on the bolt for closing the opening, which is mechanically weaker, as may occur in the production of clasps where the opening is located approximately opposite the fixed ring.
Toutefois la réalisation pratique d'un fermoir du type visé par l'invention peut poser certaines dif¬ ficultés, en particulier lorsqu'il s'agit de fermoirs de très petites dimensions destinés à équiper, par exemple des chaînettes.However, the practical realization of a clasp of the type targeted by the invention can pose certain difficulties, in particular when it concerns very small clasps intended to equip, for example chains.
L'invention a donc essentiellement pour but de proposer un agencement particulier d'un tel fermoir qui donne toute satisfaction sur le plan de l'utilisation, notamment pour ce qui est de sa résistance et de la fiabilité de la fermeture, qui puisse être réalisé avec un minimum de matériau, notamment un minimum de matériau noble (or par exemple), et donc à un moindre coût, et qui soit d'une manipulation aisée pour l'utilisateur, en particulier qui soit manipulable de la même manière qu'un fermoir classique.The object of the invention is therefore essentially to propose a particular arrangement of such a clasp which gives all satisfaction in terms of use, in particular with regard to its resistance and the reliability of the closure, which can be achieved. with a minimum of material, in particular a minimum of noble material (gold for example), and therefore at a lower cost, and which is easy to handle for the user, in particular which can be handled in the same way as a classic clasp.
A ces fins, un fermoir du type précité agencé conformément à 1'invention se caractérise essentielle¬ ment en ce que :For these purposes, a clasp of the aforementioned type arranged in accordance with the invention is essentially characterized in that:
- le doigt d'actionnement est situé à l'extrémité libre ou au voisinage immédiat de l'extrémité libre du pêne,- the actuating finger is located at the free end or in the immediate vicinity of the free end of the bolt,
- et en ce qu'au moins un doigt de guidage saillant également radialement et engagé dans une fente longitudinale du corps est porté par une région du pêne distante de l'extrémité de celui-ci supportant le doigt d'actionnemen .- And in that at least one guide finger also projecting radially and engaged in a longitudinal slot of the body is carried by a region of the bolt remote from the end thereof supporting the actuating finger.
Grâce à cet agencement, le doigt d'actionnement est suffisamment dégagé de l'anneau fixe et peut être facilement tenu par l'utilisateur, même lors du mouve¬ ment d'ouverture lorsque le pêne est déplacé en direc¬ tion de 1'anneau fixe.Thanks to this arrangement, the actuating finger is sufficiently disengaged from the fixed ring and can be easily held by the user, even during the opening movement when the bolt is moved in the direction of the ring. fixed.
En outre, la présence d'un doigt de guidage améliore le coulissement du pêne à 1'intérieur du corps torique et évite son coincement ; il en résulte que le pêne (traditionnellement réalisé assez long, précisément en vue de son guidage dans le corps torique) peut maintenant être notablement raccourci et, dans le cas d'une fabrication en un métal précieux tel que l'or, le gain financier ainsi obtenu est très appréciable.In addition, the presence of a guide finger improves the sliding of the bolt inside the toric body and avoids its jamming; it follows that the bolt (traditionally made quite long, precisely for its guidance in the toric body) can now be significantly shortened and, in the case of a manufacture of a precious metal such as gold, the financial gain thus obtained is very appreciable.
Pour réduire au minimum la dimension de l'ouverture d'accrochage pratiquée dans le corps du fermoir, il est souhaitable que le pêne s'efface complètement dans ledit corps en position d'ouverture du fermoir : à cette fin, il est souhaitable que le corps comporte une seconde fente longitudinale, située à la périphérie externe du corps et débouchant sur 1'ouvertu¬ re d'accrochage, pour recevoir le doigt d'actionnement en fin de la course d'ouverture du pêne.To minimize the size of the hanging opening in the body of the clasp, it is desirable that the bolt completely disappears in said body in the open position of the clasp: for this purpose, it is desirable that the body has a second longitudinal slot, located at the external periphery of the body and opening onto 1 'Ouvertu¬ re hooking, to receive the actuating finger at the end of the bolt opening stroke.
Dans un mode de réalisation préféré, la première fente longitudinale destinée au doigt de guidage est elle aussi située à la périphérie externe du corps et le doigt de guidage s'étend radialement vers l'extérieur. Il est alors plus facile, pour la fabrication, que les première et seconde fentes soient situées l'une à la suite de l'autre et forment une fente unique. Dans ce cas, pour éviter une longueur excessive de la fente qui risquerait d'affaiblir mécaniquement le corps, il est souhaitable que le doigt de guidage soit situé dans une région centrale du pêne et, dans un exemple de réalisa¬ tion intéressant, les doigts d'actionnement et de gui¬ dage peuvent alors être réunis en une pièce unique en forme de plaque saillant radialement vers l'extérieur du pêne et présentant une étendue longitudinale à partir de l'extrémité libre du pêne.In a preferred embodiment, the first longitudinal slot intended for the guide finger is also located at the external periphery of the body and the guide finger extends radially outwards. It is then easier, for manufacturing, that the first and second slots are located one after the other and form a single slot. In this case, in order to avoid an excessive length of the slot which would risk mechanically weakening the body, it is desirable that the guide finger is located in a central region of the bolt and, in an exemplary embodiment, the fingers actuation and gui¬ dage can then be joined in a single piece in the form of a plate projecting radially outward from the bolt and having a longitudinal extent from the free end of the bolt.
De façon avantageuse, la fente unique s'étend sous et au-delà de l'anneau fixe, et cet anneau est agencé en forme d'arche enjambant la fente, afin de dégager un passage libre pour le doigt de guidage ; dans ce cas, l'anneau fixe est une pièce mécaniquement résistante fixée au corps de part et d'autre de la fente et constituant un renfort mécanique empêchant le bâillement des bords de la fente.Advantageously, the single slot extends under and beyond the fixed ring, and this ring is arranged in the shape of an arch spanning the slot, in order to provide a free passage for the guide finger; in this case, the fixed ring is a mechanically strong piece fixed to the body on either side of the slot and constituting a mechanical reinforcement preventing yawning of the edges of the slot.
De façon également avantageuse, le pêne a une longueur telle qu'il s'étende sur toute la longueur de la fente et occulte celle-ci lorsqu'il est en position de fermeture : de la sorte, le ressort reste invisible en permanence et peut être réalisé en un matériau traditionnel (acier par exemple) de moindre coût, tandis que seuls les organes visibles sont fabriqués en un matériau noble (or par exemple).Also advantageously, the bolt has a length such that it extends over the entire length of the slot and conceals it when it is in the closed position: in this way, the spring remains permanently invisible and can be made of a material traditional (steel for example) of lower cost, while only the visible organs are made of a noble material (gold for example).
Dans un autre mode de réalisation possible, la première fente est agencée sous forme d'une lumière s'étendant à la périphérie externe du corps, et le doigt de guidage s'étend radialement vers l'extérieur en étant situé à l'extrémité du pêne opposée à celle portant le doigt d'actionnement.In another possible embodiment, the first slot is arranged in the form of a lumen extending at the external periphery of the body, and the guide finger extends radially outwardly being located at the end of the opposite bolt to the one with the actuating finger.
Dans encore un autre mode de réalisation possi¬ ble, la première fente est agencée sous forme d'une lumière s'étendant à la périphérie interne du corps et le doigt de guidage s'étend radialement vers l'intérieur du tore formé par le corps ? les moyens de guidage (doigt et fente) sont alors plus ou moins dissimulés à la vue.In yet another possible embodiment, the first slot is arranged in the form of a lumen extending at the internal periphery of the body and the guide finger extends radially towards the inside of the torus formed by the body ? the guide means (finger and slot) are then more or less concealed from view.
L'invention sera mieux comprise à la lecture de la description détaillée qui suit de certains modes de réalisation, donnés uniquement à titre d'exemples non limitatifs. Dans cette description, on se réfère aux dessins annexés sur lesquels :The invention will be better understood on reading the detailed description which follows of certain embodiments, given solely by way of nonlimiting examples. In this description, reference is made to the appended drawings in which:
- la figure 1 est une vue de face, en coupe par¬ tielle, d'un mode de réalisation d'un fermoir conforme à 1'invention ;- Figure 1 is a front view, in partial section, of an embodiment of a clasp according to the invention;
- la figure 2 est une vue de côté du fermoir de la figure 1 ;- Figure 2 is a side view of the clasp of Figure 1;
- les figures 3 et 4 sont des vues, respective¬ ment de face en coupe partielle et de côté, d'un autre mode de réalisation d'un fermoir conforme à 1'invention- Figures 3 and 4 are views, respectively of the front in partial section and from the side, of another embodiment of a clasp according to the invention
- les figures 5 et 6 sont des vues de face en coupe partielle de deux autres modes de réalisation, respectivement, d'un fermoir conforme à 1'invention ; et- Figures 5 and 6 are front views in partial section of two other embodiments, respectively, of a clasp according to the invention; and
- les figures 7 et 8 sont des vues, respective¬ ment de côté et de face, -.d'une variante du mode de réa¬ lisation des. figures 3 et 4.- Figures 7 and 8 are views, respective¬ ment from the side and from the front, - a variant of the mode of réa¬ realization of. Figures 3 and 4.
Le fermoir ou anneau à ressort représenté aux figures 1 et 2 comporte un anneau torique ou corps 1 formé par un tube soudé, fort et rigide possédant une ouverture 3 s'étendant sur quarante cinq degrés environ dont les deux coupes sont exactement en regard ; le diamètre intérieur de cet anneau torique 1 est d'environ le double de celui du tube . Un petit anneau massif 2 est formé par un fil d'un diamètre supérieur à la moitié de celui du tube de l'anneau 1. Cet anneau massif en forme de "U" est soudé à cheval sur l'anneau tubulaire 1 pour l'accrochage de l'anneau de bout d'une chaîne 12.The spring clasp or ring shown in Figures 1 and 2 comprises an O-ring or body 1 formed by a welded, strong and rigid tube having an opening 3 extending over forty five degrees of which the two sections are exactly opposite; the internal diameter of this O-ring 1 is approximately twice that of the tube. A small solid ring 2 is formed by a wire with a diameter greater than half that of the tube of the ring 1. This solid ring in the shape of a "U" is welded astride the tubular ring 1 for the hooking the end ring of a chain 12.
L'ouverture 3 se trouve placée dans le quart de l'anneau tubulaire 1 entre la ligne diamétrale (A-A') perpendiculaire à l'axe du petit anneau fixe 2 et le petit anneau lui-même, c'est-à-dire à proximité de 1'anneau fixe 2.The opening 3 is placed in the quarter of the tubular ring 1 between the diametrical line (A-A ') perpendicular to the axis of the small fixed ring 2 and the small ring itself, that is to say say near the fixed ring 2.
Un pêne 4 est formé d'un fil massif d'un dia¬ mètre adéquat dont la courbe est identique à celle du tube 1 pour y coulisser parfaitement. Il est légèrement plus long que deux fois 1'ouverture 3. Ce pêne est muni d'un tenon-guide ou doigt de guidage 5 sur sa partie extérieure, sur son axe longitudinal ; ce doigt est épais d'environ un quart du diamètre du pêne et se trouve placé sensiblement au centre de celui-ci ; sa hauteur est égale ou supérieure à 1'épaisseur de la paroi extérieure du tube 1.A bolt 4 is formed of a solid wire of an adequate diameter whose curve is identical to that of the tube 1 to slide there perfectly. It is slightly longer than twice the opening 3. This bolt is provided with a guide pin or guide finger 5 on its outer part, on its longitudinal axis; this finger is approximately a quarter of the diameter of the bolt and is located substantially in the center of the latter; its height is equal to or greater than the thickness of the outer wall of the tube 1.
Une gorge ou fente 6 découpée sur 1'extérieur du tube suivant son axe longitudinal est ouverte sur la coupe de l'anneau 1 au point 14. Cette gorge est sensi¬ blement plus large que l'épaisseur du tenon-guide, juste pour donner le jeu voulu ; elle est découpée en dessous du petit anneau 2, suffisamment longue pour que, lorsque le tenon-guide est en contact avec le fond de la gorge 15, le pêne dégage totalement l'ouverture 3 de l'anneau à ressort. Lorsque le pêne est verrouillé, le tenon- guide reste engagé dans 1'entrée de la gorge au point 14. Le doigt de manoeuvre ou d'actionnement est pla¬ cé pratiquement en tête du pêne : dans cet exemple, il est formé d'un onglet sphérique 7, fixé par l'intermé¬ diaire d'une petite lame 9 de même épaisseur et sur la même ligne que le tenon-guide.A groove or slot 6 cut on the outside of the tube along its longitudinal axis is open on the section of the ring 1 at point 14. This groove is significantly wider than the thickness of the guide post, just to give the desired game; it is cut below the small ring 2, long enough so that, when the guide pin is in contact with the bottom of the groove 15, the bolt completely releases the opening 3 of the spring ring. When the bolt is locked, the guide pin remains engaged in the groove entry at point 14. The operating or actuating finger is placed practically at the head of the bolt: in this example, it is formed by a spherical tab 7, fixed by means of a small blade 9 of the same thickness and on the same line as the guide post.
Sous la poussée d'un ressort à boudin 10, le pêne 4 est maintenu enclenché dans la gâche 8, s'appuyant sur une rondelle 11 percée et soudée à l'intérieur du tube de l'anneau 1, légèrement en retrait de la coupe 17. On peut utiliser tout autre arrêtoir à condition qu'il forme un appui pour le ressort et laisse un orifice pour que l'air entre et sorte librement du tube.Under the thrust of a coil spring 10, the bolt 4 is kept engaged in the keeper 8, resting on a washer 11 pierced and welded inside the tube of the ring 1, slightly back from the cut 17. Any other retainer can be used provided that it forms a support for the spring and leaves an orifice so that air enters and leaves the tube freely.
Pour ouvrir l'anneau à ressort, l'utilisateur presse sur l'onglet 7 avec son ongle en prenant appui sur la petite lame 9 qui dépasse légèrement la paroi extérieure du tube, cette lame permet à l'ongle de passer facilement l'entrée de la gorge au point 14, le pêne comprime le ressort, le tenon-guide 5 s'appuie au fond de la gorge au point 15 et la tête du pêne affleure l'ouverture du tube au point 14 : dans cette position, l'ongle se trouve alors dans le prolongement de la coupe 14, pour accrocher l'anneau de bout 13 il suffit de le glisser sur l'ongle dans l'ouverture, on relâche la pression, le pêne reprend sa place et l'anneau à ressort est verrouillé.To open the spring ring, the user presses the tab 7 with his nail, pressing on the small blade 9 which slightly protrudes from the outside wall of the tube, this blade allows the nail to pass easily through the entry from the groove at point 14, the bolt compresses the spring, the guide pin 5 rests at the bottom of the groove at point 15 and the head of the bolt is flush with the opening of the tube at point 14: in this position, the nail is then in the extension of the cut 14, to hang the end ring 13 just slide it on the nail in the opening, release the pressure, the bolt takes its place and the spring ring is locked.
Le fermoir représenté aux figures 3 et 4 (sur lesquelles les organes identiques à ceux des figures 1 et 2 sont désignés par les mêmes numéros de référence accrus de 20) est une variante consistant en ce que le pêne 24 est muni d'une lame 25 est plus longue que l'ouverture 23. Cette lame se substitue au tenon-guide 5 et à la petite lame 9. Elle a le double effet de guider latéralement le pêne 24 et de transmettre la poussée reçue par l'onglet 27 placé sensiblement en tête de la lame 25. Le pêne verrouillé, cette lame 25 s'appuie contre le tube au point 37, elle est engagée dans la gorge 26 du point 34 au point 36. Le fonctionnement est identique à celui de l'anneau à ressort représenté aux figures 1 et 2.The clasp shown in Figures 3 and 4 (on which the members identical to those of Figures 1 and 2 are designated by the same reference numbers increased by 20) is a variant consisting in that the bolt 24 is provided with a blade 25 is longer than the opening 23. This blade replaces the guide pin 5 and the small blade 9. It has the double effect of laterally guiding the bolt 24 and of transmitting the thrust received by the tab 27 placed substantially in blade head 25. With the bolt locked, this blade 25 rests against the tube at point 37, it is engaged in the groove 26 from point 34 to point 36. The operation is identical to that of the spring ring shown in FIGS. 1 and 2.
Le fermoir représenté à la figure 5 (sur laquelle les organes identiques à ceux des figures 1 et 2 sont désignés par les mêmes numéros de référence accrus de 40) est une autre variante : le tenon-guide 45 est placé en queue de pêne 44 ; la fente de guidage 46 se trouve aussi déplacée et est située sur 1'axe longitudinal de 1'anneau tubulaire du petit anneau massif 42 du point 54 jusqu'au point 55 ; cette fente 46 est alors agencée sous forme d'une lumière indépendante. Ainsi le pêne dégage totalement l'ouverture lorsque le tenon-guide s'appuie au fond de la gorge au point 55. Une petite gorge 47 est découpée au bord de l'ouverture 56, sur l'extérieur de l'anneau tubulaire pour que la petite lame 49 qui porte l'onglet puisse s'y encastrer.The clasp shown in FIG. 5 (on which the members identical to those of FIGS. 1 and 2 are designated by the same reference numbers increased by 40) is another variant: the guide pin 45 is placed at the tail end 44; the guide slot 46 is also displaced and is located on the longitudinal axis of the tubular ring of the small solid ring 42 from point 54 to point 55; this slot 46 is then arranged in the form of an independent light. Thus the bolt completely clears the opening when the guide pin bears on the bottom of the groove at point 55. A small groove 47 is cut at the edge of the opening 56, on the outside of the tubular ring so that the small blade 49 which carries the tab can be embedded therein.
Le fermoir représenté figure 6 (sur laquelle les organes identiques à ceux des figures 1 et 2 sont désignés par les mêmes numéros de référence accrus de 60) est encore une autre variante : le tenon-guide 65 est en queue de pêne 64, mais placé vers l'intérieur de l'anneau tubulaire et la fente de guidage 66, également en forme de lumière, est découpée sur l'axe longitudinal à 1'intérieur de 1'anneau tubulaire du point 74 au point 75. La petite gorge 67 est identique à celle de la variante précédente.The clasp shown in FIG. 6 (on which the members identical to those in FIGS. 1 and 2 are designated by the same reference numbers increased by 60) is yet another variant: the guide pin 65 is at the tail end 64, but placed towards the inside of the tubular ring and the guide slot 66, also in the form of a lumen, is cut on the longitudinal axis inside the tubular ring from point 74 to point 75. The small groove 67 is identical to that of the previous variant.
La sécurité est nettement améliorée et la résis¬ tance augmentée. Le diamètre des anneaux à ressort peut être diminué, exemple : un anneau à ressort de 5,5 mm selon 1'invention peut remplacer un anneau ressort tra¬ ditionnel de 6,5 à 7 mm.Safety is clearly improved and resistance increased. The diameter of the spring rings can be reduced, for example: a 5.5 mm spring ring according to the invention can replace a traditional spring ring from 6.5 to 7 mm.
Les figures 7 et 8 montrent une variante du fer¬ moir des figures 3 et 4. La longueur notable de la fente unique 26 risque d'affaiblir mécaniquement l'anneau torique et, sous l'influence d'efforts transversaux no¬ tamment au cours des actionnements du doigt 27 lors des ouvertures et fermetures, les bords de la fente 26 risquent d'être écartés l'un de l'autre. Pour pallier cet inconvénient, on propose de renforcer la structure de l'anneau torique comme représenté aux figures 7 et 8 (sur lesquelles les organes identiques à ceux des figures 3 et 4 sont désignés par les mêmes références numériques). L'anneau fixe précédent, constitué par un simple fil, est ici remplacé par une pièce massive 82 ayant la forme générale d'un 8 dont la boucle inférieure est ouverte, avec ses bords 83 soudés aux parois exter¬ nes de l'anneau torique 81, de part et d'autre des lèvres de la fente 26. Bien entendu, la pièce 82 peut présenter d'autres conformations, dans la mesure où les bords de la fente 26 sont maintenus fermement et empêchés de s'écarter l'un de l'autre. Figures 7 and 8 show a variant of the fer¬ moir of Figures 3 and 4. The significant length of the single slot 26 may mechanically weaken the ring toric and, under the influence of transverse forces in particular during actuations of the finger 27 during openings and closings, the edges of the slot 26 may be separated from one another. To overcome this drawback, it is proposed to strengthen the structure of the O-ring as shown in Figures 7 and 8 (in which the members identical to those of Figures 3 and 4 are designated by the same reference numerals). The previous fixed ring, consisting of a single wire, is here replaced by a solid piece 82 having the general shape of an 8, the lower loop of which is open, with its edges 83 welded to the external walls of the O-ring. 81, on either side of the lips of the slot 26. Of course, the part 82 may have other conformations, insofar as the edges of the slot 26 are held firmly and prevented from moving apart. the other.

Claims

REVENDICATIONS
1. Fermoir pour objets de bijouterie tels que chaînes, bracelets ou analogues, comportant :1. Clasp for jewelry items such as chains, bracelets or the like, comprising:
- un corps (1,21,41,61,81) en forme générale de tore creux, supportant un anneau fixe (2,22,42,62,82) des¬ tiné à la liaison avec une extrémité du susdit objet, ledit corps présentant une ouverture d'accrochage pour le passage d'un autre anneau situé à l'extrémité oppo¬ sée de l'objet et cette ouverture étant située à pro¬ ximité de 1'anneau fixe dans un des quarts du tore proche de celle-ci,- A body (1,21,41,61,81) in the general shape of a hollow torus, supporting a fixed ring (2,22,42,62,82) des¬ tiné to the connection with one end of the above object, said body having a hooking opening for the passage of another ring located at the oppo¬ ed end of the object and this opening being located near the fixed ring in one of the quarters of the torus close to that -this,
- un pêne (4,24,44,64) en arc de cercle engagé à coulissement dans la partie du susdit corps supportant l'anneau fixe, ledit pêne étant muni d'un doigt radial saillant (7,27,47,67) pour son actionnement manuel,- A bolt (4,24,44,64) in an arc of a circle engaged to slide in the part of the aforesaid body supporting the fixed ring, said bolt being provided with a projecting radial finger (7,27,47,67) for its manual actuation,
- et un ressort (10) logé dans le corps et en appui contre le pêne pour repousser celui-ci en position de fermeture lorsqu'il a été écarté manuellement en position d'ouverture, caractérisé en ce que- And a spring (10) housed in the body and pressing against the bolt to push it back into the closed position when it has been moved aside manually in the open position, characterized in that
- le doigt d'actionnement est situé à l'extrémité libre ou au voisinage immédiat de l'extrémité libre (8) du pêne,the actuating finger is located at the free end or in the immediate vicinity of the free end (8) of the bolt,
- et en ce qu'au moins un doigt de guidage (5,25,45,65), saillant également radialement et engagé dans une fente longitudinale du corps est porté par une région du pêne distante de l'extrémité de celui-ci supportant le doigt d'actionnement.- And in that at least one guide finger (5,25,45,65), also projecting radially and engaged in a longitudinal slot of the body is carried by a region of the bolt distant from the end of the latter supporting the actuating finger.
2. Fermoir selon la revendication 1, caractérisé en ce que le corps comporte une seconde fente longitudi¬ nale (6,26,47,67), située à la périphérie externe du corps et débouchant sur l'ouverture, pour recevoir le doigt d'actionnement en fin de la course d'ouverture du pêne.2. Clasp according to claim 1, characterized in that the body has a second longitudi¬ nal slot (6,26,47,67), located at the outer periphery of the body and opening onto the opening, to receive the finger d actuation at the end of the bolt opening stroke.
3. Fermoir selon la revendication 1 ou 2, caractérisé en ce que la première fente longitudinale destinée au doigt de guidage est elle aussi située à la périphérie externe du corps et en ce que le doigt de guidage s'étend radialement vers l'extérieur.3. Clasp according to claim 1 or 2, characterized in that the first longitudinal slot intended for the guide finger is also located at the external periphery of the body and in that the guide finger extends radially outwards.
4. Fermoir selon les revendications 2 et 3, caractérisé en ce que les première et seconde fentes sont situées l'une à la suite de l'autre et forment une fente unique (6,26).4. Clasp according to claims 2 and 3, characterized in that the first and second slots are located one after the other and form a single slot (6,26).
5. Fermoir selon la revendication 4, caractérisé en ce que le doigt de guidage (5,25) est situé dans une région centrale du pêne.5. Clasp according to claim 4, characterized in that the guide finger (5,25) is located in a central region of the bolt.
6. Fermoir selon la revendication 4 ou 5, caractérisé en ce que les doigts d'actionnement et de guidage sont réunis en une pièce unique (25) en forme de plaque saillant radialement vers l'extérieur du pêne et présentant une étendue longitudinale à partir de l'extrémité libre du pêne.6. Clasp according to claim 4 or 5, characterized in that the actuating and guiding fingers are joined in a single piece (25) in the form of a plate projecting radially towards the outside of the bolt and having a longitudinal extent from from the free end of the bolt.
7. Fermoir selon la revendication 4, caractérisé en ce que la fente unique (6,26) s'étend sous et au-delà de l'anneau fixe (2,22,82) et en ce que cet anneau est agencé en forme d'arche enjambant la fente, afin de dégager un passage libre pour le doigt de guidage.7. Clasp according to claim 4, characterized in that the single slot (6,26) extends under and beyond the fixed ring (2,22,82) and in that this ring is arranged in shape arch spanning the slot, in order to provide a free passage for the guide finger.
8. Fermoir selon la revendication 7, caractérisé en ce que l'anneau fixe (82) est une pièce mécaniquement résistante fixée au corps de part et d'autre de la fente et constituant un renfort mécanique empêchant le bâille¬ ment des bords de la fente.8. Clasp according to claim 7, characterized in that the fixed ring (82) is a mechanically strong piece fixed to the body on either side of the slot and constituting a mechanical reinforcement preventing the gagging of the edges of the slot.
9. Fermoir selon l'une quelconque des revendica¬ tions 4 à 8, caractérisé en ce que la longueur du pêne (4,24) est telle que le pêne s'étende sur toute la lon¬ gueur de la fente et occulte celle-ci lorsqu'il est en position de fermeture.9. Clasp according to any one of claims 4 to 8, characterized in that the length of the bolt (4.24) is such that the bolt extends over the entire length of the slot and obscures it. this when in the closed position.
10. Fermoir selon la revendication 1 ou 2, caractérisé en ce que la première fente (46) est agencée sous forme d'une lumière s'étendant à la périphérie externe du corps et en ce que le doigt de guidage (45) s'étend radialement vers l'extérieur en étant situé à 1'extrémité du pêne opposée à celle portant le doigt d'actionnement (47).10. Clasp according to claim 1 or 2, characterized in that the first slot (46) is arranged in the form of a lumen extending at the outer periphery of the body and in that the guide finger (45) extends radially outwardly being located at the end of the bolt opposite to that carrying the actuating finger (47).
11. Fermoir selon la revendication 1 ou 2, caractérisé en ce que la première fente (66) est agencée sous forme d'une lumière s'étendant à la périphérie interne du corps et en ce que le doigt de guidage (65) s'étend radialement vers l'intérieur du tore formé par le corps (61). 11. Clasp according to claim 1 or 2, characterized in that the first slot (66) is arranged in the form of a lumen extending at the internal periphery of the body and in that the guide finger (65) s' extends radially inward from the torus formed by the body (61).
EP19890906139 1988-05-19 1989-05-17 Clasp for articles of jewellery such as chains, bracelets or similar Expired - Lifetime EP0418276B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89906139T ATE87440T1 (en) 1988-05-19 1989-05-17 CLOSURE FOR JEWELERY CHAINS, BRACELETS OR THE LIKE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8806687A FR2631663B1 (en) 1988-05-19 1988-05-19 DEVICE FOR CLOSING A SPRING RING USED IN JEWELERY
FR8806687 1988-05-19

Publications (2)

Publication Number Publication Date
EP0418276A1 true EP0418276A1 (en) 1991-03-27
EP0418276B1 EP0418276B1 (en) 1993-03-31

Family

ID=9366424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890906139 Expired - Lifetime EP0418276B1 (en) 1988-05-19 1989-05-17 Clasp for articles of jewellery such as chains, bracelets or similar

Country Status (6)

Country Link
EP (1) EP0418276B1 (en)
AU (1) AU3682589A (en)
ES (1) ES2013953A6 (en)
FR (1) FR2631663B1 (en)
PT (1) PT90605B (en)
WO (1) WO1989011233A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200445179Y1 (en) 2007-11-20 2009-07-06 명제영 Fasteners for jewelry
ITMO20130077A1 (en) * 2013-03-25 2014-09-26 Plus Group Sa SAFETY LOCK FOR JEWELRY PRODUCTS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE39481C (en) * Firma HCH. SCHOBER & CO. in Pforzheim Ring with springy clasp
US1340206A (en) * 1919-06-05 1920-05-18 Ballou & Co B A Spring-ring
US2222053A (en) * 1940-02-26 1940-11-19 A E Waller Company Inc Spring ring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8911233A1 *

Also Published As

Publication number Publication date
AU3682589A (en) 1989-12-12
EP0418276B1 (en) 1993-03-31
ES2013953A6 (en) 1990-06-01
PT90605A (en) 1989-11-30
PT90605B (en) 1994-05-31
FR2631663A1 (en) 1989-11-24
WO1989011233A1 (en) 1989-11-30
FR2631663B1 (en) 1990-09-14

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