Tri-axial tourbillon for a timepiece, in particular a wristwatch
US7160026B2 · kind B2 · utility
7Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2005 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Aug 3, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B17/285
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The tri-axial tourbillon comprises a cage (A) containing the balance (1), the escape wheel (2) and the escape pinion (3) rotating around an axis (A1) and mounted in a second cage (B) rotating around an axis (A2), the cage (B) in turn being mounted rotably in a third cage (C) rotating around an axis (A3) that is fixed relative to the timepiece, the three axes (A1, A2, A3) being perpendicular to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.