Patent · US Expired

Timepiece

US5392260A · kind A · utility

2Cited by

6References

3Claims

0Family size

Assignee

Eta SA Fabriques d'Ebauches · CH

Inventors

Wolfgang Kroener · Pforzheim, DE
Edwin Jakob · Villars-sur-Glâne, CH

Key dates

Filing date	Jul 21, 1994
Grant date	Feb 21, 1995
Priority date	—
Expiry date	Jul 21, 2014

Classification

Technology area (CPC G)Physics
CPC primaryG04B27/04
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The date disc correction mechanism (3) of this time-piece comprises a control stem (7) movable between at least two axial positions, and on which a sliding pinion (9) and a correction pinion (17) are mounted. The sliding pinion exhibits at least one spur (28) provided in order to come into engagement with an opening (25) formed in the correction pinion in one of the axial positions of the stem (7) so as to render the correction pinion fixed in rotation with the sliding pinion (9).

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