EP0156249A1 - Fermoir, en particulier pour chaîne de bijouterie - Google Patents

Fermoir, en particulier pour chaîne de bijouterie Download PDF

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Publication number
EP0156249A1
EP0156249A1 EP85102880A EP85102880A EP0156249A1 EP 0156249 A1 EP0156249 A1 EP 0156249A1 EP 85102880 A EP85102880 A EP 85102880A EP 85102880 A EP85102880 A EP 85102880A EP 0156249 A1 EP0156249 A1 EP 0156249A1
Authority
EP
European Patent Office
Prior art keywords
opening
locking device
spring
spring closure
spring clasp
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
EP85102880A
Other languages
German (de)
English (en)
Other versions
EP0156249B1 (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

  • the invention relates to a locking device, in particular for jewelry chains, consisting of a first element designed as a spring clasp with an essentially U-shaped design and a second element which engages in this spring clasp.
  • 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 to open and close.
  • 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.
  • a locking device which is easy and simple to operate on the one hand and is technically designed on the other hand so that the design can be adapted to the aesthetic requirements of the jewelry industry.
  • This object is achieved in that a locking device is created, which consists of a first, designed as a spring clasp element with a substantially U-shaped design and a second element which engages in this spring clasp, with one leg of the spring clasp Is arranged substantially perpendicular to the leg surface element, which can be moved to actuate the opening and closing function of the spring clasp in the longitudinal direction of the leg and that the second element is designed such that the longitudinal movement of the surface element causing the spring clasp to open and close therethrough second element can be operated.
  • FIG. 1 An advantageous embodiment of the invention is shown in FIG. 1.
  • the spring clasp 10, shown here in the closed state, is connected to the second element 20.
  • the spring clasp 10 has a first leg 11 and a second, tubular leg 12.
  • the pin 13 In this leg 12- the pin 13 is guided longitudinally and terminates at its upper end with the surface element 14, which is designed here as a circular plate.
  • the surface element 14 which is designed here as a circular plate.
  • a spring 15 is arranged, which presses the pin 13 with the plate 14 against the sheet 16, so that the spring element is closed by the contact of the plate 14 with the end of the sheet 17.
  • a recess 18 is provided in the arch 16 in order to allow the element 20 greater freedom of movement.
  • the second element 20 is brought in a suitable manner to the plate 14 'on the right in the drawing 14' (sketched in dashed lines in the drawing) and a brief, slight pressure is exerted on the plate 14.
  • the pin 13 moves downward against the spring action and the second element 20 can be inserted into the clasp.
  • the pin 13 is pressed back into the closed position due to the action of the elastic spring and brings the second element 20 with the one on the left in the drawing Part 14 '' of the plate 14 in the correct position.
  • the procedure for opening the spring clasp 10 is reversed. With the second element 20, a short pressure is exerted on the left side 14 ′′ of the plate 14 in the drawing. As a result, the pin 13 slides with the plate 14 into the open position and the element 20 can be carried out from the spring clasp 10.
  • FIG. 2 A corresponding embodiment of the second element 20 is shown in FIG. 2. It consists of a, in this case, horseshoe-shaped base body 21, which is closed with a narrow web 22.
  • the bore 23 is provided for connection to the rest of the chain.
  • the spring clasp 10 is actuated with the narrow web 22.
  • This web can be made relatively thin, since the strength requirements for such a locking device are not very high. Conversely, if it is required for aesthetic reasons, it can also be designed with a substantially larger cross section.
  • FIG. 3 A second embodiment of the present invention is shown in FIG. 3. With this design, the spring clasp 30 remains closed even when the second element 20 is inserted; the closing effect is brought about here 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 in turn consists of a first leg 31 and a tubular second leg 32.
  • a further tubular element 33 is guided to move longitudinally.
  • the element 33 ends with a plate 34, which is again circular.
  • the tubular element 33 is against the end 37 of the by means of the spring 35, which is suitably connected to the tube, wherein it can also protrude a little into this tube 33 Arc 36 pressed.
  • 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 with the greatest possible displacement Element stands.
  • a recess 39 is arranged within the arch 36 in order to increase the freedom of movement of the second element 50.
  • the closing device is opened and closed in the same way as in the previously described exemplary embodiment.
  • the second element 50 is brought 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.
  • 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.
  • the second element 50 that in the spring clasp 10; 30 engages can be designed in many ways. Embodiments that can cooperate with the spring clasp 10 according to FIG. 1 are shown in FIGS. 5 to 8. 5 shows a particularly easy-to-use embodiment.
  • the element 61 engaging in the spring clasp according to FIG. 10 has a radius 64 on the web 62 which corresponds to the diameter at the end of the arc 17. This automatically centers the second element.
  • a cross bar 65 is arranged, the distance of the cross bar 65 from the bar 62 approximately corresponding to the diameter at the end of the arc 17. Show further design examples 6 to 8.
  • the element 50 has a recess or a bore 81 which is dimensioned such that the arch 16 of the spring clasp 17 can engage and that the smallest width 82 of the element 80 the maximum width given by the dimensions of the spring clasp 10 does not exceed.
  • the element 80 can be provided with a bore 83 in order to connect the element 80 to the other links of the jewelry chain, however, all connections which are customary in the jewelry field are also possible.
  • Another requirement for the design of this element is a certain minimum size, which is defined by the fact that the element for actuating the locking device according to the invention should be able to be held with two fingers.
  • FIGS. 9 to 12 Similar broad design options result for the second element 70 which interacts with the spring clasp 30 according to FIG. 3.
  • a recess or bore 71 is required, which must be dimensioned at least so large that the bow 36 of the spring clasp 10 can engage here.
  • This bore 71 must be connected to an opening 72 which must be wide enough to be able 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 here, which are required for connection to the rest of the chain. The minimum size required for handling the locking device must not be undercut here either.
  • the variety of possible embodiments of the locking device according to the invention allows extensive adaptation to the respective jewelry chain, so that the locking device can be used in the entire range from the simple metal link chain to the pearl necklace. There are many possible variations in the choice of the material used for the locking device.
  • both a material made of stainless steel and a material made of the other jewelry materials such as silver, gold or platinum, or an alloy of these materials can be used. But also in the jewelry industry so far little used materials, such as. B. titanium or a titanium alloy can be used. Only the elastic device, the spring 15 in the exemplary embodiment according to FIG. 1 or the spring 35 in the exemplary embodiment according to FIG. 2 is subject to a restriction with regard to the material. Here a material has to be used which has sufficient elasticity and strength properties.

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  • Adornments (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
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
DE19843409343 DE3409343A1 (de) 1984-03-14 1984-03-14 Schliessvorrichtung, insbesondere fuer schmuckketten
DE3409343 1984-03-14

Publications (2)

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

Citations (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
FR2285100A1 (fr) * 1974-09-20 1976-04-16 Plansee Metallwerk Objet de parure
US4329765A (en) * 1979-09-28 1982-05-18 Nakawa Corporation Method for manufacturing a spring ring to be electroplated

Patent Citations (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
FR2285100A1 (fr) * 1974-09-20 1976-04-16 Plansee Metallwerk Objet de parure
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
EP0156249B1 (fr) 1988-08-24
DE3409343A1 (de) 1985-09-19
DE3564531D1 (en) 1988-09-29
ATE36637T1 (de) 1988-09-15

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