Watch escapement
US7686503B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2006 |
| Grant date | Mar 30, 2010 |
| Priority date | — |
| Expiry date | Dec 3, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B15/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An escapement for a mechanical watch comprising: an escapement wheel (10) kinematically connected to a power source, a roller (14) mounted on a balance (16) including, on two different levels, a pin (23) and an impulse pallet (24) co-operating with said wheel (10); a limiting member (26) performing a periodic movement during which it co-operates with the pin (23) to limit the travel of said roller (14); a control member (30) provided with a rest lift (32) performing, from a stable position wherein said wheel (10) is pressed on the rest lift (23), a periodic movement during which the wheel is released and provides an impulse to the impulse pallet (24). The periods of the limiting member (26) and of the control member (30) correspond, respectively, to an alternation and an oscillation of the balance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.