Patent · US Active

Single direction coupling device and correction device including the same

US7823476B2 · kind B2 · utility

2Cited by

15References

4Claims

0Family size

Assignee

ETA SA MANUFACTURE HORLOGÈRE SUISSE · CH

Inventors

Julien Chaignat · Le Landeron, CH
Marco Bettelini · Prêles, CH

Key dates

Filing date	Apr 4, 2008
Grant date	Nov 2, 2010
Priority date	—
Expiry date	Apr 4, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19884
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A single direction coupling device, including a first transmission member (10) fitted with a first saw-like contrate toothing (13), mobile in rotation about an axis XX and axially positioned by an elastic member (11), and a second transmission member (14) fitted with a second saw-like toothing (17), mobile in rotation about an axis YY, meshed with the first transmission member (10), characterized in that the XX axis is perpendicular to the YY axis.

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