Patent · US Expired

Mechanical timepiece provided with a tourbillon

US5608694A · kind A · utility

24Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 1995
Grant dateMar 4, 1997
Priority date
Expiry dateApr 25, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B17/285
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A mechanical timepiece comprising a barrel meshing with a tourbillon, this timepiece being characterised in that the tourbillon is supported by its base solely by a bearing whose external ring comprises a toothing which acts as a fixed wheel for driving a satellite pinion of an escapement of the tourbillon.

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