Watch movement comprising a fusee
US8858068B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2013 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Nov 25, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B1/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The watch movement comprises a motor barrel (102), a fusee (104) having a main surface that has a spiral groove (148), means (192) for winding the movement arranged to drive the fusee, a going train (200) arranged to be driven by the fusee, and a wire (106) extended between the fusee and the barrel. The watch movement additionally comprises a fixed guide (155; 255) and a winding roller (157; 257) mounted to slide on the fixed guide, wherein the winding roller is arranged to guide the wire when the fusee turns and to simultaneously assure the insertion of the wire into the groove (148) and its removal therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.