Patent · US Active

Timepiece displaying the current time and including at least first and second devices displaying a time-related quantity

US9778621B2 · kind B2 · utility

2Cited by

11References

14Claims

0Family size

Assignee

Compagnie des Montres Longines, Francillon S.A. · CH

Inventors

Olivier Mahler · Fontaines, CH
Alphonse Bron · Delémont, CH

Key dates

Filing date	Dec 4, 2014
Grant date	Oct 3, 2017
Priority date	—
Expiry date	Dec 4, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG04B19/25
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Timepiece displaying the current time and including at least first and second display devices for a time-related quantity, the first and second display devices each being driven by a drive mechanism including a drive wheel (2; 2a), which is itself driven by the movement of the timepiece (3), at least the drive wheel (2; 2a) of one of the drive mechanisms carrying a finger (4; 4a) via which the wheel drives the corresponding display device, the timepiece (3) being characterized in that the finger (4; 4a) is friction fitted onto the drive wheel (2; 2a).

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