Regulator key for watch movements
US4083179A · kind A · utility
2Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1976 |
| Grant date | Apr 11, 1978 |
| Priority date | — |
| Expiry date | Oct 26, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B17/325
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A one-piece regulator key for watch movements includes two spaced apart prongs projecting from and integral with a common support, each prong has an inward plane surface facing and substantially parallel to a like inward plane surface on the other prong and is provided at its free end with an inwardly projecting protuberance for decreasing the spacing between the prongs at their free ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.