EP0200799B1 - Fermoir - Google Patents

Fermoir Download PDF

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Publication number
EP0200799B1
EP0200799B1 EP85105615A EP85105615A EP0200799B1 EP 0200799 B1 EP0200799 B1 EP 0200799B1 EP 85105615 A EP85105615 A EP 85105615A EP 85105615 A EP85105615 A EP 85105615A EP 0200799 B1 EP0200799 B1 EP 0200799B1
Authority
EP
European Patent Office
Prior art keywords
box
tongue
insertion end
opening
lock 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.)
Expired - Lifetime
Application number
EP85105615A
Other languages
German (de)
English (en)
Other versions
EP0200799A1 (fr
Inventor
Carolyn Marie Sturm
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 EP85105615A priority Critical patent/EP0200799B1/fr
Priority to DE8585105615T priority patent/DE3585371D1/de
Priority to AT85105615T priority patent/ATE72383T1/de
Priority to US06/785,890 priority patent/US4667378A/en
Publication of EP0200799A1 publication Critical patent/EP0200799A1/fr
Application granted granted Critical
Publication of EP0200799B1 publication Critical patent/EP0200799B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2047—Fasteners provided with a V-shaped spring-tongue male member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y10T24/3902—Chain
    • Y10T24/3904—Bead chain fasteners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
    • Y10T24/45529—Requiring manual force applied against bias to interlock or disengage
    • Y10T24/45534—Requiring manual force applied against bias to interlock or disengage having connected leading edge and separated trailing arms

Definitions

  • the invention relates to a box lock for jewelry with a box and a cutter that protrudes into the box with an insertion end and engages in the striking plate with a resilient tongue relative to a fixed part, which is provided at its rear end facing away from the insertion end with an actuating part.
  • Such a box lock has become known from CH-A 138 957.
  • a snap spring part protrudes into the box of this box lock, which is locked with a nose in incisions made in a narrow side of the box. After the nose has snapped into the incision, part of the bending stresses in the area of the insertion end are equalized. However, the total tension cannot be compensated for, since the snap spring part can only be held in the latched position if the two opposite spring legs are pressed against the narrow sides of the box.
  • the snap spring part is constantly under bending stress when inserted into the box. In view of the fact that this bending stress is limited to the insertion end of the snap spring part, it is foreseeable that at this insertion end fatigue of the material forming the snap spring part occurs. This fatigue initially leads to the fact that the nose can no longer be properly engaged in the incisions. This creates a considerable risk that the snap spring part will come loose from the box.
  • the object of the present invention is therefore to improve the box lock of the type mentioned in the introduction in such a way that it ensures a secure closure in the long term, which can be produced relatively easily and cheaply with high precision, and allows any assignment of snappers and boxes.
  • the box and the cutter consist of a casting material and the cutter has a cast fixed front end, from which extends parallel to the fixed part in the direction of the operating part, the resilient tongue, which starts from the front part to the actuating part has a cross-section that initially decreases and then increases again and is relaxed in the engaged state.
  • the selection of the casting material gives the Schnepper its characteristic two-leg shape. During production, the material in the region of the front end is therefore not deformed in order to bend the resilient tongue around the front end. Rather, the material is in its idle state at the front end. There is therefore no severe deformation of the material for the purpose of manufacturing the cutter.
  • the Schnepper is relaxed in the locked state. Deformations are generated when the cutter snaps into place only during relatively short periods in which the cutter snaps into the striking plate or is released from it.
  • the resilient tongue is both in the engaged state and outside the box in the undeformed idle state.
  • the resilient tongue is deformed along its entire length.
  • deformations in the area of the front end take place at most in a negligible amount.
  • the cutter and the box can be manufactured with high precision. This ensures that the box can be assigned a variety of different trappers.
  • the material is uniformly homogeneous.
  • This design of the cast material results in a uniform distribution of the bending stress over the entire length of the resilient tongue.
  • the cast material is advantageously quenched at a predetermined temperature.
  • the cast material treated in this way has good elastic properties for a long time.
  • a box lock essentially consists of a box 1 and a cutter 2.
  • the cutter 2 projects with an insertion end 3 facing the box 1 through an opening 5 provided in a striking plate 4 into an interior 11 of the box 1 enclosed by walls 6,7,8,9,1o.
  • the striking plate 4 delimits the interior 11 in the direction of an actuating part 12 of the cutter 2, which is connected to the insertion end 3 via a resilient tongue 13.
  • the actuating part 12 lies directly against the striking plate 4 with its end wall 14 facing the insertion end 3.
  • the resilient tongue 13 is fixedly connected in the region of the insertion end 3 via a rigid unit 15 to a fixed part 16 which extends in the direction and essentially parallel to the resilient tongue 13 from the unit 15 in the direction of a connecting part 17 of the tractor 2.
  • this connecting part 17 the cross section of which corresponds approximately to that of the box 1
  • the fixed part 16 is firmly connected.
  • the fixed part 16 has a reduced cross section compared to the connecting part 17, the width of which corresponds to that of the opening 5.
  • This opening 5 is delimited in the longitudinal direction of the fixed part 16 on both sides by limiting webs 18, 19, which each form parts of the striking plate 4.
  • the striking plate 4 is provided on its underside 2o facing the wall 7 with a web, the height of which corresponds approximately to a distance 21 between a lower edge 22 of the fixed part 16 facing the wall 7 and a lower edge 23 of the latter which runs approximately parallel Connection part 17 is.
  • the size of this distance 21 is essentially predetermined by the wall thickness of the wall 7.
  • the fixed part 16 and the resilient tongue 13 each form legs of a U-shape whose yoke is formed by the unit 15. At its end facing the connection part 17, the fixed part 16 is firmly connected to the connection part 17, while the actuating part 12 connects to the resilient tongue 13 in the direction of the connection part 17.
  • a slot 24 extends between the resilient tongue 13 and the fixed part 16, the width of which corresponds to the maximum spring travel of the resilient tongue 13.
  • the resilient tongue 13 On its upper side 25 facing away from the slot 24, the resilient tongue 13 has an indentation 26 narrowing its cross section. Because of this indentation 26, the cross section of the resilient tongue 13 is reduced by so much that the resilient tongue is exerted on an actuating surface 27 of the actuating part 12 13 is elastically deformed in the direction of the slot 24. With such an elastic deformation, the unit 15 remains relatively at rest.
  • An increase extends in the longitudinal direction of the tongue 13 on the insertion end 3.
  • This increase 28 corresponds to a recess 31 provided in the striking plate 4, which extends from a boundary of the opening 5 in the direction of the upper wall 6.
  • the elevation 28 is guided in this recess 31 when the cutter 2 is pushed into the box 1.
  • the opening 5 has a cross section into which the cutter 2 can only be inserted in a predetermined correct position.
  • the insertion end 3 has a stem 32 which has rounded portions 29, 30 in the direction of a central plane extending vertically through the tongue.
  • the stem 32 has in the area of the lower edge 22 of the fixed part 16 has a front surface 33 which rises conically to the elevation 28 and which facilitates the insertion of the insertion end 3 into the opening 5.
  • the indentation 26 runs in the direction of the actuating part 12 with a tendency rising in the direction of an elevation 35.
  • this elevation 35 forms a grid 36 which is delimited on its side facing the insertion end 3 by an approximately vertically running stop surface 37.
  • the grid 36 is delimited by a delimitation surface 38 which forms a front delimitation of the actuating part 12 facing the insertion end 3.
  • the width of the grid 36 lying between the boundary surface 38 and the stop surface 37 corresponds to a wall thickness of the striking plate 4. This protrudes in the undeformed idle state of the resilient tongue 13 in the region of the opening 5 except for a base 39 delimiting the grid 36 in the direction of the slot 24 into the grid 36.
  • the height of the stop surface 37 corresponds approximately to that of the slot 24. In this way, the tongue 13 must be deformed very far in the direction of the slot 24 so that the striking plate 4 releases the stop surface 37 and thus the cutter 2 with its insertion end 3 from the opening 5 can be pulled out.
  • the actuating part 12 extends over the entire width of the cutter 2, so that the actuating surface 27 can be felt well. In order to prevent the operating surface 27 from sliding off, this is provided with a friendly surface for the operation of the tractor 2. This can have, for example, a groove 40 which extends transversely to the longitudinal direction of the tongue 13.
  • a bore 41 extends through the connecting part 17 transversely to the direction of the fixed part 16 and is used to connect a piece of jewelry, for example a chain 42.
  • a piece of jewelry for example a chain 42.
  • an eyelet can also be attached to the cutter 2.
  • This eyelet can also be formed by a screw extending through a U-shaped recess, to which the chain is attached.
  • a corresponding fastening option for example in the form of a hole 43, is attached to the box 1.
  • the chain 42 extends through this hole 43 with its end facing away from the bore 41.
  • An actuating distance 44 extends between the actuating part 12 and the connecting part 17, the width of which is dimensioned such that the actuating part 12 can be pressed down to the bottom of the slot 24 without the actuating part 12 having previously touched a wall 45 of the connecting part 17 adjacent to it strikes.
  • the cutter 2 When the chain 42 is put on, the cutter 2 is inserted with its insertion end 3 into the opening 5 such that the elevation 28 is guided through the recess 31 in the opening 5.
  • the elevation 35 By a slight pressure on the actuating part 12 in the direction of the slot 24, the elevation 35 is lowered so far in the direction of the fixed part 16 that it slides through the opening 5 without difficulty.
  • the pressure on the actuating part 12 is reduced so that the striking plate 4 engages in the grid 36 and thus prevents the cutter 2 with its insertion end 3 from being pulled out of the interior 11 of the box 1 again.
  • the box lock is now locked.
  • the actuating part 12 is pressed down again in the direction of the fixed part 16 until the elevation 35 can be pulled out of the opening 5 of the opening 5. Now the cutter 2 pulled out of the opening 5 slides out of the box 1 and is guided through the striking plate 4 by the elevation 28.
  • the upper side 25 of the cutter 2 can also be designed to run approximately parallel to the lower edge 22 of the fixed part 16.
  • a rigid unit 15 is provided at the insertion end 3.
  • This unit 15 is formed by a material accumulation from which the cross section of the tongue 13 can be drastically reduced in the direction of the slot 24. This reduction can either be carried out continuously from the elevation 28 in the direction of the indentation 26. However, it is also possible to carry out the reduction discontinuously, although care must be taken to ensure that the bending stresses that occur cannot cause a permanent fracture at a corner that is being formed.
  • the resilient tongue 13 opens into the grid 36 with a reduced cross section. However, it is also possible at this point form an elevation 35 to which the resilient tongue 13 can rise steadily or discontinuously.
  • the insertion end 3 can be designed in any way, as long as it is ensured that the unit 15 is rigid. For example, the elevation 28 as well as the stem 32 may be missing. These only make it easier to insert the insertion end 3 into the opening 5.
  • the cutter 2 is manufactured using the casting process. In this way, it obtains a uniformly homogeneous structure, which is of great importance particularly in the area of the insertion end 3. Preference is given to precious metals as the material for producing both the box 1 and the cutter 2. However, it is also possible to use other metals. Depending on the metal used, the entire cutter 2 is subjected to a heat treatment. In particular, the insertion end 3 and the tongue 13 can be deterred.

Claims (8)

  1. Serrure de coffre pour pièces de joaillerie, comprenant un coffre (1) et un loqueteau (2), qui pénètre dans le coffre (1) par une extrémité enfichable (3) et qui s'encliquette dans sa plaque de fermeture (4) par une languette (13) qui est rappelée élastiquement contre un élément dur (16), et qui est dotée d'un élément d'actionnement (12) sur son extrémité arrière tournée à l'opposée de l'extrémité enfichable (3), caractérisée par le fait que le coffre (1) et le loqueteau (2) sont formés d'une matière coulée, et que le loqueteau (2) présente une extrémité antérieure (32), dure, coulée, à partir de laquelle s'étend parallèlement à l'élément dur (16) et dans la direction de l'élément d'actionnement (12), une languette élastique (13), qui présente, à partir de l'extrémité antérieure (32) jusqu'à l'élément d'actionnement (12), une section transversale allant d'abord en diminuant et ensuite à nouveau en augmentant et qui est détendue à l'état encliqueté.
  2. Serrure de coffre selon la revendication 1, caractérisée par le fait que la matière coulée est façonnée de façon régulièrement homogène.
  3. Serrure de coffre selon l'une des revendications 1 et 2, caractérisée par le fait que la matière coulée est refroidie brusquement à une température donnée.
  4. Serrure de coffre selon l'une des revendications 1 à 3, caractérisée par le fait qu'entre l'élément dur (16) et la languette élastique (13), est prévue une fente (24) comme trajet élastique de la languette (13).
  5. Serrure de coffre selon l'une des revendications 1 à 4, caractérisée par le fait que sur le ressort (13), est prévue une encoche (36) qui reçoit la plaque de fermeture (4) et qui est réalisée sous la forme d'une gorge adaptée à l'épaisseur de la plaque de fermeture (4), gorge qui s'étend devant l'élément d'actionnement (12), transversalement à un axe longitudinal s'étendant dans la direction de l'extrémité enfichable (3), et s'encliquette dans une ouverture (5) de la plaque de fermeture (4), qui est traversée par la languette (13) dans la direction de l'extrémité enfichable (3) jusqu'à l'élément d'actionnement (12) et dont la section transversale est adaptée à une protubérance (28) prévue sur l'extrémité enfichable (3).
  6. Serrure de coffre selon l'une des revendications 1 à 5, caractérisée par le fait que l'encoche (36) est délimitée, sur son côté tourné vers l'extrémité enfichable (3), par une protubérance (35), dont le bord supérieur possède, par rapport à un bord inférieur (22), qui délimite l'élément dur (16) sur son côté inférieur tourné à l'opposé de la languette (13), une distance qui, à l'état détendu de la languette (13) est supérieure, et sous l'influence des efforts de pression exercés sur la languette (13), est inférieure à la largeur intérieure de l'ouverture (5), qui est prévue pour la réception du loqueteau (2) dans la plaque de fermeture (4).
  7. Serrure de coffre selon l'une des revendications 5 et 6, caractérisée par le fait qu'entre la protubérance (35) et un fond (39) de l'encoche (36), recevant la plaque de fermeture (4), est prévue une hauteur d'encoche qui correspond à la largeur intérieure de la fente (24).
  8. Serrure de coffre selon l'une des revendications 1 à 7, caractérisée par le fait que la section transversale de l'élément d'actionnement (12) correspond à celle du coffre (1).
EP85105615A 1985-05-08 1985-05-08 Fermoir Expired - Lifetime EP0200799B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP85105615A EP0200799B1 (fr) 1985-05-08 1985-05-08 Fermoir
DE8585105615T DE3585371D1 (de) 1985-05-08 1985-05-08 Kastenschloss.
AT85105615T ATE72383T1 (de) 1985-05-08 1985-05-08 Kastenschloss.
US06/785,890 US4667378A (en) 1985-05-08 1985-10-09 Clasp lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85105615A EP0200799B1 (fr) 1985-05-08 1985-05-08 Fermoir

Publications (2)

Publication Number Publication Date
EP0200799A1 EP0200799A1 (fr) 1986-11-12
EP0200799B1 true EP0200799B1 (fr) 1992-02-05

Family

ID=8193485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105615A Expired - Lifetime EP0200799B1 (fr) 1985-05-08 1985-05-08 Fermoir

Country Status (4)

Country Link
US (1) US4667378A (fr)
EP (1) EP0200799B1 (fr)
AT (1) ATE72383T1 (fr)
DE (1) DE3585371D1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393847U (fr) * 1986-12-05 1988-06-17
IT1230355B (it) * 1989-07-14 1991-10-18 G T Di Giuseppe Tibiletti & C Metodo per ottenere sigilli, in particolare per etichette di capi di abbigliamento, e sigillo secondo tale metodo.
US5309616A (en) * 1991-06-26 1994-05-10 Do-All J.M.C. Inc. Method of making a catch for jewelry clasp
FR2679741B1 (fr) * 1991-08-01 1993-11-19 Charles Ballenegger Fermoir pour chaine de perles.
FR2688834B1 (fr) * 1992-03-19 1995-08-04 Cartier Int Bv Mecanisme de fixation a verrouillage et deverouillage rapides.
US5416954A (en) * 1993-03-19 1995-05-23 Nei/Do-All Corporation Flexible fastener member having distributed spring action area
JP3764786B2 (ja) * 1996-10-30 2006-04-12 株式会社セベル・ピコ 装身具用止め金具
EP0858746A1 (fr) * 1997-02-13 1998-08-19 Tatra Corporation Boucle pour sangle de fixation de cargaison
AU6772098A (en) * 1997-03-21 1998-10-20 Thomas D. Kohl Jewelry retention system
US6138475A (en) * 1997-06-19 2000-10-31 Kohl; Thomas D. Jewelry retention system
US6167725B1 (en) * 1997-06-26 2001-01-02 Neometal, Inc. Threadless jewelry connector assembly
US20100000256A1 (en) * 2008-07-03 2010-01-07 Continental Jewelry (Usa) Inc. Locking device
US8196267B2 (en) * 2009-11-11 2012-06-12 Trueposition, Inc. Assistance required locking clasp
US20130152631A1 (en) * 2011-11-29 2013-06-20 Steve Hyppolite Toy Bracelet Unit With Detachable Wristband And Interchangeable Key
EP3229708B1 (fr) * 2014-12-11 2019-08-28 Covidien LP Agrafeuse dotée d'un mécanisme de verrouillage automatique
USD890013S1 (en) * 2018-05-29 2020-07-14 Virgil Abloh Jewelry item

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE340279A (fr) *
US889230A (en) * 1907-10-12 1908-06-02 Paul W Hoffman Clasp.
US1099484A (en) * 1913-10-04 1914-06-09 Brassler Company Jewelry.
US1192917A (en) * 1915-05-24 1916-08-01 Hermann H Lott Link for bracelets or the like.
US1238495A (en) * 1917-02-20 1917-08-28 Bernhard B Christ Coupling for necklaces.
GB144427A (en) * 1919-04-11 1920-06-17 Deakin & Francis Ltd An improved fastening for bracelets, necklets and the like
US1412731A (en) * 1920-09-16 1922-04-11 Wormser Marcel Strung beads
US1606991A (en) * 1926-03-03 1926-11-16 Smith & Crosby Fastening device
CH138957A (de) * 1929-05-28 1930-03-31 Fessler Max Schnappfederverschluss für Schmucksachen und dergleichen.
US1957141A (en) * 1932-07-23 1934-05-01 Harold B Jordan Fastener for two-piece neckties
DE650155C (de) * 1934-08-22 1937-09-15 Adrian & Busch Schuhendenzwickmaschine mit Nagelvorrichtungen
US2986792A (en) * 1959-03-25 1961-06-06 Leonard R Wyatt Clasp
US3947932A (en) * 1974-04-05 1976-04-06 Gozlan Brothers Limited Jewellery clasp
FR2457084A1 (fr) * 1979-05-21 1980-12-19 Fix Sa Bijoux Dispositif de verrouillage tel que fermoir pour bracelet
US4520537A (en) * 1979-06-18 1985-06-04 Harry Wolf & Sons Gold jewelry clasp assembly
US4426854A (en) * 1982-05-17 1984-01-24 Do-All Jewelry Mgf. Co., Inc. Slip-on connector for jewelry clasp and blank for clasp

Also Published As

Publication number Publication date
ATE72383T1 (de) 1992-02-15
DE3585371D1 (de) 1992-03-19
EP0200799A1 (fr) 1986-11-12
US4667378A (en) 1987-05-26

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