Patent · US Expired

Wrist watch having a bracelet attached to the watch casing by a hinge

US4624581A · kind A · utility

20Cited by
15References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 1985
Grant dateNov 25, 1986
Priority date
Expiry dateAug 26, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B37/225
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A wrist watch has a bracelet connected to the watch casing by hinges. Each hinge comprises four lugs which are formed in one piece with the peripheral casing portion and rim portion of the casing, the lugs defining therebetween three spaces which are each occupied by one of three hinge elements provided at one end of the adjacent bracelet half. The casing is made of plastics material. A metal pivot pin extends through holes formed in the elements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.