Tourbillon and watch with tourbillon
US10481557B2 · kind B2 · utility
3Cited by
0References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 25, 2017 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Sep 25, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B17/285
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A tourbillon (1) with a rotation cage which is rotatably arranged about a tourbillon axis is provided. The rotation cage mounts a balance wheel (3) and an escapement with an escape wheel (8) and a lever. The tourbillon is characterised in that the rotation cage comprises a bearing wheel (22) which is mounted by bearing elements (13) which engage peripherally on a running surface (11) of the bearing wheel (22).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.