Patent · US Active

Balance spring stud-holder

US9563175B2 · kind B2 · utility

0Cited by

5References

24Claims

0Family size

Assignee

ETA SA MANUFACTURE HORLOGÈRE SUISSE · CH

Inventors

Julien CHRISTAN · Bienne, CH
Laurent Kaelin · Sonvilier, CH
Ivan Villar · Bienne, CH
Thierry Conus · Baden, CH

Key dates

Filing date	Dec 21, 2015
Grant date	Feb 7, 2017
Priority date	—
Expiry date	Dec 21, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG04B43/002
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An assembly for holding or supporting a timepiece balance spring including a base provided with an upper surface and a lower surface on which a balance spring stud and a stud-holder are arranged. The stud-holder secures the stud to an escapement mechanism.

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