EP0156249B1 - Fermoir, en particulier pour chaîne de bijouterie - Google Patents

Fermoir, en particulier pour chaîne de bijouterie Download PDF

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Publication number
EP0156249B1
EP0156249B1 EP85102880A EP85102880A EP0156249B1 EP 0156249 B1 EP0156249 B1 EP 0156249B1 EP 85102880 A EP85102880 A EP 85102880A EP 85102880 A EP85102880 A EP 85102880A EP 0156249 B1 EP0156249 B1 EP 0156249B1
Authority
EP
European Patent Office
Prior art keywords
spring closure
opening
tube
fastener
shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85102880A
Other languages
German (de)
English (en)
Other versions
EP0156249A1 (fr
Inventor
Albert Jung
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.)
Etienne Aigner AG
Original Assignee
Etienne Aigner AG
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 Etienne Aigner AG filed Critical Etienne Aigner AG
Priority to AT85102880T priority Critical patent/ATE36637T1/de
Publication of EP0156249A1 publication Critical patent/EP0156249A1/fr
Application granted granted Critical
Publication of EP0156249B1 publication Critical patent/EP0156249B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2019—Hooks
    • A44C5/2023—Sliding hooks
    • A44C5/2028—Sliding hooks with spring closure means

Definitions

  • Closing devices for jewelry chains are known in the prior art. They are usually designed in the form of two rings, the one ring being wholly or partly tubular and interrupted at one point in order to enable the introduction of the second ring for opening and closing.
  • the opening is closed with an element with a smaller cross section, which is movably guided in the tubular part of the first ring and is pressed into the closed position by the action of an elastic device.
  • a small projection is usually arranged, which is moved with the finger or the fingernail.
  • the contact between the surface element and the part of the spring clasp resting thereon is brought about exclusively by friction, the normal force for this frictional load having to be applied by the spring.
  • the tubular element therefore either requires a relatively long guide, or it must be pressed into the closed position with a relatively high spring force in order to avoid lateral movements of the pin.
  • the object of the present invention is to avoid the disadvantages of the prior art and to provide a locking device by means of which the above-mentioned disadvantages of the prior art are avoided and which enables reliable and safe functioning.
  • FIG. 1 An embodiment of the present invention is shown in FIG. 1. With this design, the spring clasp 30 remains closed even when the second element 50 is inserted; the closing action is brought about in that, when the spring clasp 30 is actuated appropriately, an area with a reduced cross section is released, so that a second element 50 provided with a corresponding opening can be pushed over it.
  • the spring clasp 30 consists of a first leg 31 and a tubular second leg 32.
  • a further tubular element 33 is guided in a longitudinally movable manner.
  • the element 33 ends with a circular plate 34.
  • the tubular element 33 is pressed against the end 37 of the bend 36 by means of the spring 35, which is connected in a suitable manner to the tube, and it can also protrude a little into this tube 33.
  • a pin 38 is inserted in a suitable manner, which forms a second guide for the tubular element 33, and the length of which is dimensioned such that it is still in contact with the tubular element 33 even when it is displaced as far as possible Element stands.
  • the spring clasp 30 within the arch 36 has a recess 39 in order to increase the freedom of movement of the second element 50.
  • the closing device is opened and closed as follows: the second element 50 is brought up to the clasp in a suitable manner, the opening having to face the spring clasp 30.
  • the plate with the tubular element is pushed down. This releases the pin 38, over which the opening 52 of the second element 50 is pushed.
  • the pressure on the plate 34 is then ended, so that the tubular element 33 moves back into the starting position due to the action of the spring 35 and thereby pushes the second element 50 into the bend 36. Since the opening 52 of the second element 50 is dimensioned such that the element 50 can be pushed over the pin 38 but not over the arch 36, the second element is held in this position.
  • FIGS. 3 to 6 There are wide design options for the second element 70 which interacts with the spring clasp 30 according to FIG. 1. Some possible embodiments are shown in FIGS. 3 to 6. A recess or bore 71 is required, which must be dimensioned at least so large that the arch 36 of the spring clasp 30 can engage here. This bore 71 must be connected to an opening 72 which must be wide enough to be pushed over the pin 38, but which must not be wider than the narrowest point of the arc 36. Corresponding devices can also be provided which are required for connection to the rest of the chain.

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  • Adornments (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (8)

1. Fermoir, en particulier pour chaînes de bijouterie, composé d'un premier élément (30) essentiellement en forme de U réalisé en tant que fermeture à ressort et d'un deuxième élément (50, 70) qui rentre dans cette fermeture à ressort (30), un autre élément tubulaire (33) étant guidé dans une branche tubulaire (32) de la fermeture à ressort (30), cet élément étant relié de façon appropriée à une plaque (34) posée verticalement et pouvant être actionnée dans le sens longitudinal de la branche en vue de l'ouverture et de la fermeture de la fermeture à ressort et pouvant être poussée dans la position de fermeture de la fermeture à ressort par actionnement d'un dispositif élastique, le deuxième élément (50, 70) étant réalisé de façon à ce que le mouvement longitudinal de l'élément de surface entraînant l'ouverture et la fermeture de la fermeture à ressort puisse être actionné par ce deuxième élément,
caractérisé en ce que le deuxième élément tubulaire (33) est en plus guidé par une cheville (38) se trouvant à l'intérieur du tube et qui est reliée de façon ferme à la fermeture à ressort (30) et dont la longueur a une dimension telle qu'elle est aussi encore en contact avec cet élément lors du plus grand déplacement possible de l'élément tubulaire (33) et
en ce que le deuxième élément (50, 70) est réalisé de façon telle qu'il présente au moins un évidement (51,71 ) dans lequel l'arc (36) de la fermeture à ressort (30) peut rentrer et en ce que cet évidement est en relation avec une ouverture (52, 72) dont l'écart le plus petit est au moins assez grand pour que le deuxième élément (50, 70) puisse être retiré de la cheville (38), mais qui d'un autre côté n'est pas trop grand pour que l'arc (36) de la fermeture à ressort puisse être introduit par cette ouverture.
2. Fermoir selon la revendication 1, caractérisé en ce qu'un des deux éléments (30, 50) comprend au moins en partie un matériau contenant de l'argent.
3. Fermoir selon l'une quelconque des revendications 1 à 2, caractérisé en ce qu'un des deux éléments (30, 50) comprend au moins en partie un matériau contenant de l'or.
4. Fermoir selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un des deux éléments (30, 50) comprend au moins en partie un matériau contenant du platine.
5. Fermoir selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un des deux éléments (30, 50) comprend au moins en partie un matériau contenant du titane.
6. Fermoir selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un des deux éléments (30, 50) comprend au moins un matériau ne rouillant pas et contenant du fer.
EP85102880A 1984-03-14 1985-03-13 Fermoir, en particulier pour chaîne de bijouterie Expired EP0156249B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85102880T ATE36637T1 (de) 1984-03-14 1985-03-13 Schliessvorrichtung, insbesondere fuer schmuckketten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3409343 1984-03-14
DE19843409343 DE3409343A1 (de) 1984-03-14 1984-03-14 Schliessvorrichtung, insbesondere fuer schmuckketten

Publications (2)

Publication Number Publication Date
EP0156249A1 EP0156249A1 (fr) 1985-10-02
EP0156249B1 true EP0156249B1 (fr) 1988-08-24

Family

ID=6230480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102880A Expired EP0156249B1 (fr) 1984-03-14 1985-03-13 Fermoir, en particulier pour chaîne de bijouterie

Country Status (3)

Country Link
EP (1) EP0156249B1 (fr)
AT (1) ATE36637T1 (fr)
DE (2) DE3409343A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB411715A (en) * 1933-03-14 1934-06-14 Kollmar & Jourdan A G Improvements in and relating to hook fasteners for bracelets
CH218138A (de) * 1938-03-25 1941-11-30 Degussa Schmuckstück.
CH257187A (fr) * 1947-03-04 1948-09-30 Glasson Andre Fermoir de bracelet.
US3350753A (en) * 1965-12-29 1967-11-07 Wesley W Hester Necklace clasp
AT333067B (de) * 1974-09-20 1976-11-10 Plansee Metallwerk Schmuckstuck
US4329765A (en) * 1979-09-28 1982-05-18 Nakawa Corporation Method for manufacturing a spring ring to be electroplated

Also Published As

Publication number Publication date
ATE36637T1 (de) 1988-09-15
DE3564531D1 (en) 1988-09-29
DE3409343A1 (de) 1985-09-19
EP0156249A1 (fr) 1985-10-02

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