Mechanism for a watch movement
US11003139B2 · kind B2 · utility
1Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2017 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Dec 17, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B19/082
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Mechanism for a watch movement (1) comprising a cam (5), a rack (3) driven by the cam (5), a retrograde mobile (20) driven by said rack (3) and bearing a retrograde indicator (2) for displaying a first item of time information, the rack (3) and the retrograde mobile (20) being arranged in such a way as to rotate in the same direction. A jumping hour display ring is synchronized with the returns of the retrograde display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.