EP0389671B1 - Gliederarmband - Google Patents

Gliederarmband Download PDF

Info

Publication number
EP0389671B1
EP0389671B1 EP89115664A EP89115664A EP0389671B1 EP 0389671 B1 EP0389671 B1 EP 0389671B1 EP 89115664 A EP89115664 A EP 89115664A EP 89115664 A EP89115664 A EP 89115664A EP 0389671 B1 EP0389671 B1 EP 0389671B1
Authority
EP
European Patent Office
Prior art keywords
pivot pin
sleeve
expanding
passing
bore
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
EP89115664A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0389671A1 (de
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 EP0389671A1 publication Critical patent/EP0389671A1/de
Application granted granted Critical
Publication of EP0389671B1 publication Critical patent/EP0389671B1/de
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
    • A44C5/02—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 bracelet, in particular for wristwatches, with articulated individual links, with a first single link on its one side facing an adjacent second single link, a lugs formed by mutually parallel, longitudinal directions of the band, towards the adjacent second single link has an open guide shaft, between the two side walls extending in the longitudinal direction of the belt, a guide part of the adjacent second individual member projecting into the guide shaft and resting on its two side walls is pivotably guided about a pivot axis extending transversely to the longitudinal direction of the belt and passing through in the region of the guide shaft through holes in the adjacent individual links is passed, wherein a sleeve is arranged in the through hole of the guide member, the outer diameter of which is larger than the diameter r of the holes formed in the approaches.
  • US-A-40 89 161 shows a link bracelet with a plurality of mutually parallel rows of individual links which are offset by approximately half the length and are articulated to one another via pivot axes extending transversely to the longitudinal extension of the band.
  • the pivot axes each project through recesses formed in the end regions of the individual links. With their end regions, the swivel axes are press-fitted in the recesses of the laterally outer individual links, while the area of the swivel axes projecting through the middle individual links is loosely enclosed by a sleeve, which in turn projects through the recesses of the middle single links with play.
  • a link bracelet is known from EP-A-0 229 908, which consists of side-by-side band links offset from one another in the longitudinal direction of the band, through which holes pass transversely to the longitudinal direction of the band, in which continuous pivot axes are arranged.
  • the pivot axes are designed as sleeves, the ends of which have locking cams projecting radially outwards and project into corresponding recesses in the outer band members.
  • locking pins are inserted into the bores of the swivel axes.
  • the object of the invention is to provide a link bracelet of the type mentioned at the outset, which is easy to assemble and disassemble and has a low-wear structure requiring few simple components.
  • the sleeve surrounds the pivot axis with friction or friction on the pivot axis and is arranged with radial play in the through bore of the guide member.
  • a sleeve is inserted into the through bore of the guide part of a second individual element and this individual element is inserted with the guide element into the guide shaft of a first individual element.
  • a pivot axis is pushed through the through bores of the lugs and the guide part, whereby it is also passed through the bore of the sleeve.
  • the sleeve is held on the swivel axis by friction or force flow and forms stops with its free ends, which abut the side walls of the guide shaft and thus prevent the swivel axis from moving automatically out of its installed position.
  • the swivel axis only needs to be pushed out of the through bores and the sleeve by means of a mandrel, the holding force of the sleeve on the swivel axis being overcome by the pushing force.
  • Both assembly and disassembly can be carried out easily by hand, but also in a simple manner in one device. This enables automated belt assembly and disassembly.
  • the sleeve Due to the fact that the sleeve is arranged with radial play in the through bore of the guide part, there is friction between the cylindrical wall of the through bore of the guide part and the cylindrical outer surface of the sleeve when two individual members are pivoted relative to one another. Since these two surfaces are relatively large due to the large diameter and the long length, the surface pressure between these surfaces and thus the wear are very low. In this way, the susceptibility to defects of the belt is kept low.
  • this design enables the sleeves to expand freely when the pivot axis is inserted.
  • pivot axes with a length corresponding to the width of the individual links can be used without the pivot links projecting laterally from the individual links.
  • the sleeve is a spring pin-like, longitudinally slit tube cylinder which can be arranged on the pivot axis with a radially inward spring tension.
  • the swivel axis is mounted with a sliding fit in the through holes in the lugs, a relatively easy insertion of the swivel axis is possible. But since this usually has minor axis deviations and is thus jammed to a small extent in its bore in its installed position, When two individual links are pivoted, there is no rotation of the pivot axis in the through bores of the lugs and thus there is no wear. A relative rotation takes place only between the sleeve and the through bore of the guide part.
  • the pivot axis can be connected to a chamfer at its free ends.
  • the sleeve engages when the swivel axis is inserted when the correct installation position is reached.
  • the pivot axis can consist of two partial axes, each of which protrudes through a through bore of the attachment and part of the through bore of the guide part.
  • the individual links are made of titanium and the sleeve and / or the swivel axis are made of silver or if these are silver-plated on their surface, there is only little wear on the link bracelet and thus less susceptibility to defects.
  • a link bracelet consisting of three individual links 1 is shown.
  • the single links 1 have, on their one side facing the adjacent single link 1, a guide shaft 2 which is open towards this single link 1 and is formed by two mutually parallel lugs 3 directed in the longitudinal direction of the link bracelet.
  • a guide part 5 protrudes into the latter, which is formed on the adjacent individual member 1 so as to protrude from it.
  • a sleeve 8 Arranged in the bore 7 is a sleeve 8 designed as a dowel-type tubular cylinder with a longitudinal slot 11, the length of which corresponds approximately to the width of the guide part 5 and which has radial play in the bore 7.
  • the outer diameter of the sleeve 8 is larger than the diameter of the bore 6, so that the sleeve 8 is in contact with its end faces on the side walls 4.
  • pivot axis 9 Through the bores 6 and the bore of the sleeve 8, bolt-shaped pivot axes 9 are passed, the length of which corresponds approximately to the width of the individual links 1. In its area located in the bore 8, the pivot axis 9 has a slightly smaller diameter than in its area located in the holes 6. In this area of smaller diameter, the sleeve 8 surrounds the pivot axis 9 with a radially inward spring tension and is thus held non-positively on the pivot axis 9.
  • the pivot axis 9 has a chamfer 10 in its free ends.
  • the individual members 1 have rectangular face plates 12 covering the guide shafts 2 and guide parts 5 on their upper side.

Landscapes

  • Buckles (AREA)
  • Pivots And Pivotal Connections (AREA)
EP89115664A 1989-03-31 1989-08-25 Gliederarmband Expired - Lifetime EP0389671B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910403 1989-03-31
DE3910403A DE3910403A1 (de) 1989-03-31 1989-03-31 Gliederarmband

Publications (2)

Publication Number Publication Date
EP0389671A1 EP0389671A1 (de) 1990-10-03
EP0389671B1 true EP0389671B1 (de) 1993-09-08

Family

ID=6377529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115664A Expired - Lifetime EP0389671B1 (de) 1989-03-31 1989-08-25 Gliederarmband

Country Status (3)

Country Link
EP (1) EP0389671B1 (enrdf_load_stackoverflow)
JP (1) JPH02280706A (enrdf_load_stackoverflow)
DE (2) DE3910403A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667485B1 (fr) * 1990-10-08 1994-02-04 Microtec Am Sa Dispositif d'assemblage pour maillons de bracelet.
JPH11262403A (ja) * 1998-03-17 1999-09-28 Citizen Watch Co Ltd ピンと駒の結合構造及び結合方法並びに時計バンド
EP1214898A1 (fr) * 2000-12-13 2002-06-19 Biwi S.A. Barrette pour bracelet de montre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780830A (en) * 1955-06-20 1957-02-12 Jr Archer W Kammerer Pin retainer
DE1120195B (de) * 1959-05-22 1961-12-21 Richard Pfisterer Fa Gliederband fuer Schmuckzwecke
CH539406A (fr) * 1971-04-14 1973-07-31 Bramed S A Bracelet, notamment bracelet de montre, et procédé de fabrication de celui-ci
JPS5330352B2 (enrdf_load_stackoverflow) * 1971-12-14 1978-08-26
US4089161A (en) * 1976-01-21 1978-05-16 Citizen Watch Company Limited Wrist band
CH667784A5 (en) * 1986-01-10 1988-11-15 Turro S A Articulated bracelet with plastics covered metallic links - has links formed by parallel segments of tubes and joined by bars and shorter tube segments
DE3600590A1 (de) * 1986-01-11 1987-07-16 Jaeger Lecoultre Sa Gliederband

Also Published As

Publication number Publication date
DE3910403C2 (enrdf_load_stackoverflow) 1991-03-14
JPH02280706A (ja) 1990-11-16
EP0389671A1 (de) 1990-10-03
DE3910403A1 (de) 1990-10-04
DE58905554D1 (de) 1993-10-14

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