Escapement for a timekeeper
US6301981A · kind A · utility
21Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 2000 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Mar 21, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19884
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The escapement (10) includes first (6) and second (7) wheels meshing with each other. One (6) of these wheels is driven by the gear train. First (9) and second (11) rollers secured to a common arbor (1) support a sprung balance. The wheels (6, 7) and the first roller (9) are provided with means allowing said first roller to receive direct impulses supplied alternately by the first and second wheels for the purpose of maintaining the oscillations of the balance. The second roller (11) is provided with means for driving a locking and rocking member arranged to lock said first and second wheels alternately.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.