Patent · US Active

Assembly comprising a support, a plate and fastening means, in particular for a timepiece

US11674542B2 · kind B2 · utility

0Cited by

11References

16Claims

0Family size

Assignee

ETA SA MANUFACTURE HORLOGÈRE SUISSE · CH

Inventor

Raphael Balmer · Courchapoix, CH

Key dates

Filing date	Dec 16, 2019
Grant date	Jun 13, 2023
Priority date	—
Expiry date	Sep 5, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG04B29/027
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An assembly including horological movement support, a motor plate of a timepiece and a fastener fastening the support to the plate. The fastener includes a self-tapping screw having a body that passes through a hole in the support. A recess in the plate or support is tapped when the screw is screwed into the recess. The shape of the recess has a variable width, which is wider at the opening extending to a smaller diameter at the bottom of the recess, the shape corresponding to that of the body of the screw.

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