EP0498300B1 - Eléments de liason constituant des fermoirs pour colliers, cordons ou analogues - Google Patents

Eléments de liason constituant des fermoirs pour colliers, cordons ou analogues Download PDF

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Publication number
EP0498300B1
EP0498300B1 EP92101524A EP92101524A EP0498300B1 EP 0498300 B1 EP0498300 B1 EP 0498300B1 EP 92101524 A EP92101524 A EP 92101524A EP 92101524 A EP92101524 A EP 92101524A EP 0498300 B1 EP0498300 B1 EP 0498300B1
Authority
EP
European Patent Office
Prior art keywords
connecting element
guide channel
thickening
charcterized
connection rod
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
EP92101524A
Other languages
German (de)
English (en)
Other versions
EP0498300A1 (fr
Inventor
Kevin Barnes
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.)
Barnes Kevin
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
Publication of EP0498300A1 publication Critical patent/EP0498300A1/fr
Application granted granted Critical
Publication of EP0498300B1 publication Critical patent/EP0498300B1/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
    • A44C5/2057—Fasteners locked by sliding or rotating of the male element of the fastener; Turn-button fasteners
    • A44C5/2061—Fasteners locked by sliding or rotating of the male element of the fastener; Turn-button fasteners combined with spring means

Definitions

  • the invention relates to connecting elements and locks consisting of them for chains, rods, ropes or the like.
  • Such connecting elements are already known in various forms. They serve to connect several parts or their ends together. However, their construction is often too complex, too weakly resilient or not safe enough.
  • German utility model 90 03 320 which consists of a first and a second connecting element and in which the first connecting element has a connecting pin which is axially movable in a tubular part and has a thickening at the outer end, which in a Opening on a second connecting element with subsequent undercut guide channel can be inserted.
  • the two connecting elements are also designed hemispherically complementary to one another on the end face, so that after insertion of the connecting pin they can be pivoted relative to one another in a coaxial or end position, the initially unloaded connecting pin being pulled out of the first connecting element against a spring force and the first connecting element on the second Connection element fixed by the spring tension.
  • the object of the invention is therefore to design the connecting elements in such a way that with a simple construction there are many design options with regard to the production of connection and locks with increased security against accidental detachment.
  • a first connecting element which also has a connecting pin which is axially movable in a cavity and which breaks through the end face, the outer end of which is provided with a thickening.
  • the surface of the thickening facing the outer end face is curved in a rotationally symmetrical manner and already rests on the end face in the rest position by spring tension of the connecting pin under pressure.
  • this eliminates the need for a separate stop for the connecting pin in the interior of the cavity.
  • the contact surface formed by the end face need not be complementary to the counter surface on the second connecting element.
  • a ball that is easy to produce is particularly suitable as a thickening.
  • a second connecting element which has an undercut guide channel extending between an insertion and a fixing point for the thickened end of the connecting pin on the first connecting element.
  • the slope at the beginning of the guide channel facilitates the insertion of the pre-tensioned connecting pin with its thickening at the end into the undercut guide channel, with the deflection steadily increasing as the spring load increases until the maximum depth of the guide channel is reached.
  • the fixation point formed by a recess with a complementary surface to the thickening therefore leads to a partial relaxation after the additional prestressing through the guide channel and thus to snap-in. A loosening of the connection is therefore not through the Simple pivoting to remove fixing tension possible. Rather, additional force must be applied to get back into the guide channel from the fixing position.
  • FIG. 1 shows the first connecting element A according to the invention in a partially sectioned illustration. It consists of a body having a cavity 1 with an axial expansion, e.g. a pipe section with a round cross-section, which is particularly suitable for chains, with a closed end face 2.
  • a connecting pin 3 which is movable in the axial direction is provided, which penetrates the end face 2 and is provided with a thickening in the form of a ball 4 at its outer end.
  • the end of the connecting pin in the cavity 1 is provided with a holding plate 6 on which a coil spring 7, which rests against the inside of the end face 2 and surrounds the connecting pin 3, is supported and the connecting pin is already pretensioned in the rest position, so that the ball 4 is on the outer one Surface of the face rests under pressure.
  • the other end face of the connecting element is open for receiving, for example, a chain which is held by a chain rivet which engages in the bore 9.
  • FIGS. 2A and 2B show the part of a second connecting element designed according to the invention, which can be designed, for example, as a plate or hollow body with an open end 11, in a top view and in a partially sectioned cross-sectional view corresponding to the section line shown in FIG. 2A.
  • the open end 11 is followed by a guide channel 10, which is provided at the open end 11 as an introduction with a rising slope 12 and at a position defining the fixing position Well 13 ends.
  • the first connecting element A of FIG. 1 is inserted into the guide channel 10 from the left with the ball 4 directed downward in the direction of the arrow F.
  • the ball 4 engages behind the guide channel 10, so that the bevel 12 engaging between the ball 4 and the outer surface of the end face 2 on the first connecting element A increases the connecting pin 3 Deflects dimensions until the normal depth of the guide channel is reached. This further increases the spring tension and securely holds the first connecting element.
  • the ball 4 engages in the complementarily designed recess 13, wherein a press fit with a positive fit fixing the first connecting element A is achieved.
  • FIG. 3A and FIG. 3B show, analogously to the illustration of FIG. 2A and FIG. 2B, an exemplary embodiment in which the feed is not carried out at an open end 11 of a second connecting element, but through a bore 14 into which the ball 4 corresponds in the direction of the arrow F1 is to be introduced before the first connecting element A can be moved into the fixing position on the depression 13 in accordance with the direction of the arrow F2 in accordance with the exemplary embodiment in FIG.
  • the guide channels 10 shown in the previous exemplary embodiments are all guided along a straight line. In principle, you can use any line train consequences.
  • the guide channel 10 also need not lie in one plane, but can also lie in several mutually inclined planes.
  • FIG. 4A to FIGC show a corresponding exemplary embodiment with two mutually perpendicular planes, FIG. 4A relating to the starting position before the insertion of the connecting pin 3 of the first connecting element A into the guide channel 10, FIG. 4B to the edge position and FIG. 4C to the fixing position of the first Obtain connecting element A.
  • the transfer of the first connecting element A into the fixing position in this case requires a change in the direction of movement, which, due to the given geometric conditions, entails an additional deflection of the connecting pin, as can be seen from FIG. 4B, and thus requires a temporary additional effort. Since this is also necessary when returning, ie when the connection is released, there is additional security against inadvertent loosening of the connection.
  • the outer corner 15 on the second connecting element B is appropriately slightly beveled.
  • a plurality of fixing points 13 can also be provided along a guide channel 10.
  • 5A and 5B show a corresponding exemplary embodiment which is designed analogously to that of FIG.
  • additional securing options such as the corner edge in the exemplary embodiment in FIG. 4, can be created in the region of the guide channel.
  • a temporary greater depth of the guide channel which is achieved by a threshold 16 or 17 applied on the outside or on the inside, is provided, for overcoming which also a temporary greater depth Deflection of the connecting pin 3 on the first connecting element A is required.
  • Such additional shapes to increase security can also be used to additionally secure the fixing position.
  • the additional shape consists in a lowered contact surface 20 formed by pressing in the guide channel 10 for the end face 2 of the first connecting element A.
  • the shape designs explained with the aid of the last three exemplary embodiments to increase the security against fixation can, in the case of support surfaces deviating from circular cross sections of the end face 2 on the first connecting element A, also partially be used to secure against rotation of the first connecting element A in the fixing position on the second connecting element B, since the attachment the cam 18 and the design of the rings 19 or the lowered contact surfaces 20 slightly of the respective cross-sectional shape, for example Rectangle or hexagon, is customizable.
  • FIG. 9 shows a two-part chain lock that connects the two ends of a chain K.
  • the two connecting elements A and B form a coaxial unit, for which cylindrical connecting elements with the same diameter are best suited.
  • the connecting elements A and B in accordance with FIG. 10 can also be perpendicular to one another be coupled, square cross sections of the same size are preferred for the two connecting elements.
  • FIG. 11 shows a three-part chain lock, in which the chain ends of the chain K are each attached to a first connecting element A, which are coupled via a second connecting element B designed as a central link with two fixing points on the common guide channel 10 with common insertion via the bore 14.
  • the second connecting element B forming the central link is formed by two legs which are at right angles to one another.
  • FIG. 13 to FIG. 15 show corresponding exemplary embodiments. All chain ends are fastened to a first connecting element A, and the second connecting element B as a central link is designed, for example, as a ring which can be closed by a plate on the front and back.
  • the ring shape can be designed arbitrarily, e.g. circular as in FIG. 13 and FIG. 14, or composed of straight sections, as in FIG. 15.
  • the guide channel can, as in FIG. 13 and FIG. 15, run completely in the ring surface itself and be divided into two, each with an insertion 14 and two fixing points , but it can also, as in FIG. 14, run in two different planes, namely from the rear plate to the ring surface lying perpendicular thereto, it being possible for a common insertion 14 to be provided for all guide channels 10.
  • middle links When using locks with middle links, there is advantageously also the possibility of using the middle links as supports for other materials. For example, they can simultaneously serve as settings for gemstones for jewelry chains.

Landscapes

  • Adornments (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (11)

  1. Élément de liaison pour colliers, cordons ou analogues utilisé comme premier élément de liaison (A), lequel présente au moins un espace vide (1) avec élongation axiale et une cheville de liaison (3) mobile dans le sens de l'axe, laquelle traverse un côté frontal (2) de l'espace vide (1) perpendiculairement au sens de l'axe et est munie d'un gonflement (4) à son extremité extérieure, destiné à fixer le premier élément de liaison (A) à un deuxième élément de liaison (B) au moyen de la force d'un ressort agissant sur la cheville de liaison (3) après guidage de la cheville de liaison (3) depuis une entrée (11, 14) le long d'un canal de guidage contre-dépouillé (10) vers un point de fixation (13) du deuxième élément de liaison (B), caractérisé par le fait qu'au moins la surface du gonflement (4) orientée vers le côté frontal (2) extérieur est bombée avec une symétrie de révolution à l'extrémité extérieure de la cheville de liaison (3) et que la cheville de liaison (3) est, déjà en position de repos, précontrainte par la force d'un ressort agissant sur l'extrémité se trouvant dans l'espace vide (1), de telle façon que le gonflement (4) repose sur le côté frontal extérieur (2) sous contrainte.
  2. Élément de liaison conforme à la revendication 1, caractérisé par le fait que le gonflement (4) a la forme d'une bille.
  3. Élément de liaison pour colliers, cordons ou analogues utilisé comme deuxième élément de liaison (B) avec un canal de guidage (10) contre-dépouillé entre une entrée (11 ou 14) et un point de fixation (13) destiné à guider une cheville de liaison (3) d'un premier élément de liaison (A) munie d'un gonflement (4) à son extrémité, caractérisé par la fait qu'un biseau (12) remontant dans le sens du canal de guidage (10) jusqu'à atteindre une profondeur prédéfinie du canal de guidage (10) destiné à sortir la cheville de liaison (3) de sa position de repos est raccordé à l'entrée (11, 14) et que le point de fixation (13) sur le canal de guidage (10) est formé par une cavité bombée à symétrie de révolution située sur la face intérieure et destinée à recevoir le gonflement (4) de la cheville de liaison (3).
  4. Élément de liaison conforme à la revendication 3, caractérisé par le fait que l'entrée (14) pour le canal de guidage (10) est formée par un orifice de réception dans le cas d'un deuxième élément de liaison (B) réalisé sous la forme d'un corps fermé.
  5. Élément de liaison conforme à la revendication 3 ou 4, caractérisé par le fait que plusieurs cavités sont prévues comme points de fixation (13) le long du canal de guidage (10).
  6. Élément de liaison conforme à l'une des revendications 3 à 5, caractérisé par le fait que le canal de guidage (10) s'étend le long d'un contour polygonal formé de façon quelconque.
  7. Élément de liaison conforme à l'une des revendications 3 à 6, caractérisé par le fait qu'un modelage supplémentaire (16, 17, 18, 19, 20) dans la zone du canal de guidage (10) permet de former des bosses augmentant la profondeur prédéfinie du canal de guidage (10).
  8. Élément de liaison conforme à la revendication 7, caractérisé par le fait que le modelage (18, 19, 20) sur le canal de guidage (10) est disposé et formé de manière à renforcer l'effet de fixation du point de fixation (13) concerné.
  9. Fermoir pour colliers, cordons ou analogues, composé au moins d'un premier élément de liaison (A) conforme à la revendication 1 ou 2 en liaison avec un deuxième élément de liaison (B) conforme aux revendications 3 à 8, pour lequel le deuxième élément de liaison (B) sert d'élément de réception pour le gonflement (4) à l'extrémité extérieurs de la cheville de liaison (3) du premier élément de liaison (A), lequel peut être transporté le long du canal de guidage (10) jusqu'au point de fixation (13) à l'aide de la cheville de liaison (3) après avoir introduit le gonflement (4) dans l'entrée (11, 14), la force du ressort de la cheville de liaison augmentant initialement en raison du biseau jusqu'à avoir atteint la profondeur prédéfinie du canal de guidage et permettant à cette cheville de s'enclencher au point de fixation du fait de la cavité, la cavité formée en complémentarité de la surface du gonflement (4) de la cheville de liaison (3) renforçant l'effet d'enclenchement.
  10. Fermoir conforme à la revendication 9, caractérisé par le fait qu'il est composé d'un deuxième élément de liaison (B) servant d'élément de liaison central entre une ou plusieurs paires d'éléments de liaison du premier type (A).
  11. Fermoir conforme à la revendication 10 pour chaînettes à bijoux, caractérisé par le fait que l'élément de liaison central (B) est réalisé sous la forme d'un support pour d'autres pièces.
EP92101524A 1991-02-01 1992-01-30 Eléments de liason constituant des fermoirs pour colliers, cordons ou analogues Expired - Lifetime EP0498300B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4103092A DE4103092A1 (de) 1991-02-01 1991-02-01 Zweiteiliges verbindungselement
DE4103092 1991-02-01

Publications (2)

Publication Number Publication Date
EP0498300A1 EP0498300A1 (fr) 1992-08-12
EP0498300B1 true EP0498300B1 (fr) 1995-08-09

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EP92101524A Expired - Lifetime EP0498300B1 (fr) 1991-02-01 1992-01-30 Eléments de liason constituant des fermoirs pour colliers, cordons ou analogues

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EP (1) EP0498300B1 (fr)
AT (1) ATE126025T1 (fr)
DE (2) DE4103092A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0736487Y2 (ja) * 1992-11-13 1995-08-23 株式会社服部セイコー 時計バンドの止め金具
DE102007006838B4 (de) * 2007-02-12 2019-09-12 Erico Nagai Schließe für Schmuckstück

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449167A (en) * 1946-05-08 1948-09-14 Lester H Hopewell Head and socket separable safety fastener
DE9003320U1 (de) * 1990-03-21 1990-05-23 La Fontaine, Wolfgang, 7500 Karlsruhe Verschluß für Schmuckteile
DE9101153U1 (de) * 1991-02-01 1991-04-25 Barnes, Kevin, 8000 München Zweiteiliges Verbindungselement für Ketten, Stäbe, Seile und dergl.

Also Published As

Publication number Publication date
DE59203146D1 (de) 1995-09-14
ATE126025T1 (de) 1995-08-15
EP0498300A1 (fr) 1992-08-12
DE4103092A1 (de) 1992-08-13

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