Mechanical timepiece provided with a tourbillon
US5608694A · kind A · utility
24Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1995 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | Apr 25, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B17/285
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mechanical timepiece comprising a barrel meshing with a tourbillon, this timepiece being characterised in that the tourbillon is supported by its base solely by a bearing whose external ring comprises a toothing which acts as a fixed wheel for driving a satellite pinion of an escapement of the tourbillon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.