EP0236682B1 - Bracelet à maillons - Google Patents

Bracelet à maillons Download PDF

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Publication number
EP0236682B1
EP0236682B1 EP87100398A EP87100398A EP0236682B1 EP 0236682 B1 EP0236682 B1 EP 0236682B1 EP 87100398 A EP87100398 A EP 87100398A EP 87100398 A EP87100398 A EP 87100398A EP 0236682 B1 EP0236682 B1 EP 0236682B1
Authority
EP
European Patent Office
Prior art keywords
link
guide
stub
bracelet
individual
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
EP87100398A
Other languages
German (de)
English (en)
Other versions
EP0236682A3 (en
EP0236682A2 (fr
Inventor
Lothar Schmidt
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.)
IWC International Watch Co AG
Original Assignee
IWC International Watch Co 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 IWC International Watch Co AG filed Critical IWC International Watch Co AG
Publication of EP0236682A2 publication Critical patent/EP0236682A2/fr
Publication of EP0236682A3 publication Critical patent/EP0236682A3/de
Application granted granted Critical
Publication of EP0236682B1 publication Critical patent/EP0236682B1/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
    • A44C5/02—Link constructions
    • A44C5/10—Link constructions not extensible
    • A44C5/105—Link constructions not extensible with links made of one piece and linked together by one connecting element

Definitions

  • the invention relates to a link band, in particular for wristwatches, with articulated individual links, each individual link having on its one side facing an adjacent individual link a guide shaft open to the adjacent single link, between which two side walls extending in the longitudinal direction of the band have a protruding, in the guide shaft projecting and resting on the two side walls of the adjacent individual link is pivotally guided a pivot axis extending approximately transversely to the longitudinal direction of the belt.
  • the known link bracelets have the disadvantage that hair of the wearer of the link bracelet can be clamped between the adjacent individual links, which is uncomfortable and painful for the wearer.
  • the object of the invention is to provide a link bracelet according to the preamble, in which wear of the individual links is kept low.
  • the pivot axis can be arranged in a bore extending through the individual links over the entire range.
  • the pivot axis can consist of stub axles which protrude approximately transversely to the longitudinal direction of the tape on the lateral guide surfaces of the guide attachment or the guide shaft and extend into corresponding recesses on the lateral guide surfaces of the guide slot or the guide attachment.
  • the stub axles can preferably be moved counter to a spring force in the direction of their longitudinal axis into axle bores which open into the guide surfaces on the guide shaft or on the guide shoulder.
  • the axle bore can be a through bore which extends transversely to the longitudinal axis of the band through the guide attachment, a compression spring being arranged between the axle stubs protruding from the mouths of the axle bore.
  • the axle bore can be a bore, on the bottom of which a compression spring is supported, through which the axle stub can be pressurized at its area projecting into the axle bore.
  • the stub axles can be arranged either in the guide shoulder or in the side walls of the guide shaft.
  • the compression spring cannot be lost during assembly and disassembly, it can be fastened in the axle bore, this being done in a particularly simple manner in that the compression spring in its region facing away from the axle stub has a larger outside diameter than the inside diameter of the axle bore and thus with Non-positive connection is held in the axle bore.
  • the compression spring can be attached to the stub axle.
  • the winding of the compression spring resting against the stub axle can enclose a coaxially protruding retaining pin of the stub axle. It is particularly safe here if the retaining pin has a radially circumferential annular groove into which the turn of the compression spring resting on the stub axle can be snapped.
  • the single link has on its upper side facing away from the arm of a wearer a cover plate protruding in the longitudinal direction of the tape, which covers a guide surface extending approximately in the longitudinal direction of the tape on the upper side of the adjacent one Single link in the system. Due to the large guide surface that is possible, wear is kept very low.
  • the individual member has on its upper side facing away from the arm of a carrier a cover plate which at least partially covers the guide shaft and which is in contact with a guide surface which extends approximately in the longitudinal direction of the tape on the upper side of the guide extension of the adjacent individual member.
  • the guide surface is an arcuate surface which extends from the top of the individual link to the end of the individual link, the arcuate surface preferably having a radius whose radius axis corresponds approximately to the pivot axis.
  • the curved surface can merge into a stop surface approximately tangential to its radius, which extends to the end of the individual link.
  • the pivoting limit of the cover plate comes to rest on this stop surface.
  • This limitation of the pivotability of the individual links makes it possible to make the play between the end faces of the individual links so small that it just barely avoids mutual contact of the end faces of the individual links.
  • one or more guide pins protrude in the longitudinal direction of the band, which protrude with play into corresponding recesses on the corresponding end face of the adjacent single link, the recesses preferably being approximately conical with cross-section widening towards the end face.
  • the extent to which the guide pin can be pivoted in the recess also determines the extent to which the individual members can be pivoted.
  • a simple manufacture is possible in that the single member and the cover plate are in one piece, the individual member and the cover plate preferably being an embossed part.
  • the individual links in the area of the swivel axis or the stub axle projecting into the recesses can have decoupling openings extending outwards from the recesses transversely to the longitudinal axis of the swivel axis.
  • a decoupling pin can be inserted into the coupling openings to move the swivel axis or the stub axles.
  • a simply constructed and easy-to-use decoupling tool for a link bracelet of the type described above consists in that a decoupling pin has a width which corresponds approximately to the length with which the pivot axis or the axle stub protrudes into the corresponding recess, as well as at its one free end is provided with a ramp-like slope.
  • the decoupling pin When the decoupling pin is inserted into the decoupling opening, the swivel axis or the stub shaft is displaced in its axis bore by the ramp-like bevel, so that only the individual links have to be removed from one another.
  • the plate-shaped individual members 1, 1 ', 1 ", 1"' shown in the figures have a central, facing the adjacent individual member 1, 1 ', 1', 1 ", 1 '” facing the adjacent individual member 1, 1 ', 1 ", 1"' open towards the guide shaft 3 into which a correspondingly formed guide extension 4 of the adjacent individual link 1, 1 ', 1 ", 1"' protrudes.
  • the side walls 5 of the guide shaft 3 and guide lug 4 extend parallel to one another in the longitudinal direction 6 of the tape. While there is a larger play 7 between the end faces 2 and 2 ' that is, the game between the side walls 5 of the guide shaft 3 and guide lug 4 is just so large that the guide lug 4 can be pivoted easily in the guide shaft 3 about a pivot axis.
  • This pivot axis extends in the area of the guide shaft 3 and guide shoulder 4 approximately transversely to the longitudinal direction 6 of the belt.
  • the stub axles 8 arranged in axis bores 9, 9 ', 9 "of the guide shaft 4 and forming the pivot axis protrude from the axis bores 9, 9', 9 " and into corresponding recesses 10 on the side walls 5 of the guide shaft 3 extending transversely to the longitudinal direction 6 of the band.
  • These recesses 10 are open toward the underside of the link bracelet facing an arm (not shown) of a wearer and are partially covered toward the opposite top.
  • axle bores 9 and 9 'basic bores are supported on the bottom of which a compression spring 11 is applied, which pressurizes the axle stub 8 at its region projecting into the axle bores 9 and 9'.
  • the axle bore 9 " is a continuous recess in which a single compression spring 11 'is arranged, the ends of which lie against the end faces of the ends of the axle stubs 8" which protrude into the axle bore 9 ".
  • the axis bore 9 " to the top of the individual member 1"' is open, so that this individual member 1 "' can be manufactured as an embossed part.
  • the axle stub 8 'shown in FIG. 8 has a coaxial retaining pin 12 with a radially circumferential annular groove 13 at its end which projects into the axle bore 9 or 9'.
  • the turn 14 of the compression spring 11 'shown in FIG. 9 can be snapped into this annular groove 13.
  • This winding 14 has a slightly smaller inner diameter than the outer diameter of the holding pin 12.
  • the outer diameter of the winding 15 at the other end of the compression spring 11 ' has a slightly larger diameter than the inner diameter of the axle bore 9 or 9'.
  • the mouth of the guide shaft 3 directed in the longitudinal direction 6 of the band is formed with ramp-like bevels 16 which expand the guide shaft 3.
  • the stub axles 8 are inserted into their axle bores when the guide attachment 4 is inserted into the guide shaft 3 9 or 9 "until they snap into the recesses 10 when the correct insertion depth is reached.
  • the stub axles 8 and the axle bores 9 are inclined in the longitudinal direction of the tape in such a way that the outwardly directed end faces of the stub axle 8 form ramp-like bevels 17 pointing towards the guide shaft 3, through which the guide lug 4 is inserted into the guide shaft 3 as a result Axle stumps 8 are moved into their axle bores 9.
  • FIGS. 1, 2, 4, 5, 6 and 7 have on their upper side on the side of the guide shoulder 4 a cover plate 18 which projects in the longitudinal direction 6 of the belt alongside the guide shoulder 4.
  • the cover plate 18 partially covers the guide shaft 3.
  • This cover plate 18 comes into contact with the abutment surfaces 19 and 20 by pivoting the individual members 1, 11 or 1 '".
  • the abutment surfaces 19 and 20 are tangential continuations of arcuate surfaces, not shown, which extend from the top of the individual member 1, 1 1 or 1"'go out and the radius axis corresponds to the swivel axis.
  • the individual links 1 "have no cover plates.
  • they In order to limit the pivotability of the individual links 1", they have a guide pin 21 protruding on their end face 2 "directed in the longitudinal direction 6 of the tape in the longitudinal direction 6 of the tape, which has a recess 22 in the corresponding opposite end face 2 of the
  • the recess 22 is approximately conical in shape and has a cross section which widens towards the end face. This cone determines the amount by which the individual links 1 "can be pivoted.
  • FIG. 10 shows a decoupling tool 23 which consists of a plate 24, the thickness of which is equal to or less than the diameter of the stub axles 8 and 8 '.
  • the plate 24 has two parallel decoupling pins 25 which are arranged at a clear distance from one another which corresponds to the width of the guide projection 4.
  • the width of the decoupling pins 25 corresponds to the dimension which the stub axles 8 and 8 'protrude from their axle bores 9, 9' or 9 ".
  • the decoupling pins 25 At their free ends, have ramp-like bevels 26 which, contrary to the decoupling movement of the stub axles 8 or 8 'are inclined.

Landscapes

  • Buckles (AREA)

Claims (19)

1. Bracelet à maillons, destiné en particulier à des montres-bracelets, comportant des maillons individuels (1, 1', 1"') reliés entre eux de façon articulée, dans lequel chaque maillon individuel (1, 1', 1"') présente sur une de ses surfaces frontales, un logement (3) de guidage ouvert en direction d'un maillon individuel (1, 1', 1"') voisin, entre les deux parois latérales (5) duquel, s'étendant dans le sens longitudinal du bracelet, est guidée de façon pivotante sur des axes en porte-à-faux (8, 8') une saillie (4) qui pénètre dans le logement (3) de guidage et qui se place contre les deux parois latérales de celui-ci, lesdits axes en porte-à-faux (8') faisant saillie approximativement transversalement au sens longitudinal (6) du bracelet), sur les parois latérales de la saillie de guidage (4) ou du logement de guidage (3) qui s'étendent dans le sens longitudinal (6) du bracelet, et pénétrant dans des cavités correspondantes (10) situées sur les parois latérales (5) du logement (4) de guidage ou de la saillie (3) de guidage, les axes en porte-à-faux (8, 8') étant susceptibles de rentrer, à l'encontre de la force d'un ressort et dans le sens de leur axe longitudinal, dans les alésages (9, 9', 9") d'axe, lesdits alésages (9, 9', 9") d'axe étant conformés de façon à déboucher sur les surfaces latérales du logement (3) de guidage ou de la saillie (4) de guidage et un jeu (7), empêchant un contact mutuel des surfaces frontales (2, 2') dans toutes les positions de pivotement des maillons individuels, existant entre les surfaces frontales (2, 2') (qui sont dirigées l'une vers l'autre dans le sens longitudinal (6) du bracelet) de maillons individuels (1, 1', 1 "'), bracelet caractérisé en ce que les maillons individuels (1, 1', 1"') comportent dans chaque cas sur leur face supérieure située à l'opposé du bras du porteur, une plaque (18) de recouvrement, qui recouvre le logement (3) de guidage de façon telle que la plaque (18) de recouvrement d'un premier maillon individuel (1, 1', 1"') puisse s'appliquer contre une surface de guidage, qui s'étend approximativement dans le sens longitudinal (6) du bracelet et qui est située à la partie supérieure du second maillon individuel (1, 1', 1"') et que la plaque (18) de recouvrement du deuxième maillon individuel (1,1' 1 '") puisse s'appliquer sur une surface de guidage s'étendant approximativement dans le sens longitudinal (6) du bracelet, située sur la face supérieure de la saillie de guidage (4) du premier maillon Individuel voisin (1, 1', 1 "') et en ce que les maillons individuels (1,1', 1 1 "') sont munis d'ouvertures de démontage qui arrivent dans la zone des axes en porte-à-faux (8, 8') de l'axe de pivotement qui pénètrent dans les cavités (10), à la face inférieure des maillons individuels (1, 1', 1"') située à l'opposé de la plaque (18) de recouvrement, le débouché du logement (3) de guidage dirigé dans le sens longitudinal du bracelet étant conformé avec des parties obliques en forme de rampes, qui élargissent le logement de guidage, ou en ce que la zone de transition entre les parois latérales de la saillie de guidage et la surface frontale de la saillie de guidage est munie de parties obliques en forme de rampes.
2. Bracelet à maillons selon la revendication 1, caractérisé en ce que les parois latérales du logement de guidage (3) et de la saillie (4) de guidage s'étendent dans le sens longitudinal (6) du bracelet des deux côtés de l'axe de pivotement.
3. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que les parois latérales (5) du logement (3) de guidage s'étendent parallèlement entre elles dans le sens longitudinal (6) du bracelet.
4. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que les axes en porte-à-faux (8, 8') ont une section ronde.
5. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que l'alésage (9") de l'axe est un alésage traversant, qui s'étend dans la saillie (4) de guidage, transversalement au sens longitudinal (6) du bracelet, un ressort (11) de compression étant disposé entre les axes en porte-à-faux (8, 8') qui dépassent au-delà des débouchés des alésages (9") d'axe.
6. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que l'alésage (9, 9') d'axe est un alésage, borgne, sur le fond duquel s'appuie un ressort (11) de compression permettant l'exercice d'une pression. sur la zone de l'axe en porte-à-faux (8) qui pénètre dans l'alésage (9 ou 9') d'axe.
7. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que le ressort de compression est fixé dans l'alésage d'axe.
8. Bracelet à maillons selon la revendication 7, caractérisé en ce que le ressort (11') de compression présente, dans sa zone située à l'opposé de l'axe en porte-à-faux, un plus grand diamètre extérieur que le diamètre intérieur de l'alésage borgne.
9. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que le ressort de compression peut être fixé sur l'axe en porte-à-faux.
10. Bracelet à maillons selon la revendication 9, caractérisé en ce que la spire (14), appliquée sur l'axe en porte-à-faux du ressort (11') de compression, entoure un téton (12) de retenue de l'axe en porte-à-faux (8'), téton qui fait saillie coaxialement.
11. Bracelet à maillons selon la revendication 10, caractérisé en ce que le téton (12) de retenue présente une gorge (13) annulaire, qui l'entoure radialement, et dans laquelle vient s'encliqueter la spire (14) du ressort (11') de compression qui est appliquée sur l'axe en porte-à-faux (8').
12. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que l'axe en porte-à-faux est guidé dans l'alésage d'axe de façon à ne pas pouvoir tourner et présente, à son extrémité qui dépasse de l'alésage d'axe, une partie oblique en forme de rampe tournée vers le maillon individuel voisin.
13. Bracelet à maillons selon la revendication 1, caractérisé en ce que la surface ou les surfaces de guidage est ou sont des surfaces arquées qui s'étendent à partir de la face supérieure du maillon individuel (1, 1', 1 "') jusqu'à l'extrémité du maillon individuel (1, 1', 1 "').
14. Bracelet à maillons selon la revendication 13, caractérisé en ce que les surfaces arquées présentent un rayon de courbure dont l'axe géométrique de rayon correspond approximativement à l'axe géométrique des axes en porte-à-faux (8, 8').
15. Bracelet à maillons selon la revendication 13, caractérisé en ce que les surfaces arquées se transforment en surfaces (19 ou 20) d'appui, approximativement tangentielles à leur rayon de courbure, qui s'étendent jusqu'à l'extrémité du maillon individuel (1, 1', 1"').
16. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que le maillon individuel et la plaque de recouvrement forment une seule pièce.
17. Bracelet à maillons selon une des revendications précédentes, caractérisé en ce que le maillon individuel et la plaque de recouvrement sont une pièce estampée.
18. Outil de démontage destiné à un bracelet à maillons selon une des revendications précédentes, caractérisé en ce qu'un ergot (25) de démontage présente une largeur correspondant approximativement à la longueur de laquelle pénètre l'axe en porte-à-faux (8) dans la cavité (10) correspondante, et est muni, à son extrémité libre d'une partie oblique (26) en forme de rampe.
19. Outil de démontage selon la revendication 18, caractérisé en ce que deux ergots (25) de démontage sensiblement parallèles sont reliés entre eux par leurs extrémités situées à l'opposé des parties obliques, les ergots (25) de démontage étant disposés en ménageant entre eux une distance qui correspond à la largeur de la saillie (4) de guidage, et les parties obliques (26) en forme de rampe étant inclinées à l'encontre du mouvement de démontage de l'axe en porte-à-faux (8).
EP87100398A 1986-02-07 1987-01-14 Bracelet à maillons Expired EP0236682B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3603850 1986-02-07
DE19863603850 DE3603850A1 (de) 1986-02-07 1986-02-07 Gliederband

Publications (3)

Publication Number Publication Date
EP0236682A2 EP0236682A2 (fr) 1987-09-16
EP0236682A3 EP0236682A3 (en) 1988-05-11
EP0236682B1 true EP0236682B1 (fr) 1989-09-27

Family

ID=6293624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87100398A Expired EP0236682B1 (fr) 1986-02-07 1987-01-14 Bracelet à maillons

Country Status (4)

Country Link
EP (1) EP0236682B1 (fr)
JP (1) JPS62186803A (fr)
DE (2) DE3603850A1 (fr)
ES (1) ES2011458B3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG98489A1 (en) * 2001-08-29 2003-09-19 Swatch Group Man Serv Ag Link for watch bracelet

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002514444A (ja) * 1998-05-07 2002-05-21 モントレ・ロレックス・ソシエテ・アノニム ブレスレット

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH249202A (fr) * 1945-07-02 1947-06-15 Girod Henri Lien métallique de montre-bracelet.
FR1561927A (fr) * 1966-12-01 1969-04-04
CH539406A (fr) * 1971-04-14 1973-07-31 Bramed S A Bracelet, notamment bracelet de montre, et procédé de fabrication de celui-ci
JPS5330352B2 (fr) * 1971-12-14 1978-08-26
DE2423734A1 (de) * 1974-05-16 1975-11-27 Rodi & Wienerberger Ag Dehnbares armband
CH617579A5 (en) * 1976-05-31 1980-06-13 Chatelain G Et F Sa Bracelet, particularly for a watch
CH635498A5 (en) * 1979-10-04 1983-04-15 Cornu & Cie Sa Articulated bracelet comprising links with decor small plates
FR2502916A1 (fr) * 1981-03-31 1982-10-08 Omega Brandt & Freres Sa Louis Bracelet articule non extensible
DE3116585A1 (de) * 1981-04-27 1982-11-11 Tesch AG, 6373 Ennetbürgen "gliederband als schmuck- oder uhrarmband"
JPS5853075U (ja) * 1981-09-30 1983-04-11 東芝電池株式会社 電池包装体
CH647660A5 (en) * 1982-06-09 1985-02-15 Rado Montres Sa Bracelet consisting of a succession of articulated links
JPS5920104A (ja) * 1982-07-23 1984-02-01 シチズン時計株式会社 時計バンドの構造
DE3345131A1 (de) * 1983-12-14 1985-06-27 Tesch AG, Ennetbürgen Gliederband, insbesondere schmuck- oder uhrarmband, und verfahren zu seiner herstellung
JPS60158409A (ja) * 1984-01-27 1985-08-19 Shimadzu Corp 発光ダイオ−ドの光出力モニタ
FR2565470B1 (fr) * 1984-06-08 1987-11-20 Ebauchesfabrik Eta Ag Bracelet a maillons

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG98489A1 (en) * 2001-08-29 2003-09-19 Swatch Group Man Serv Ag Link for watch bracelet

Also Published As

Publication number Publication date
EP0236682A3 (en) 1988-05-11
DE3603850A1 (de) 1987-08-13
DE3603850C2 (fr) 1988-02-04
JPS62186803A (ja) 1987-08-15
DE3760604D1 (en) 1989-11-02
EP0236682A2 (fr) 1987-09-16
ES2011458B3 (es) 1990-01-16

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