Striking mechanism for a watch with a hammer locking device
US8514670B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2012 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Feb 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B23/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The striking mechanism for a watch includes a gong, which is connected to a gong-carrier, a hammer for striking the gong at pre-determined times, a damper counterspring for keeping the hammer at a distance from the gong in an idle mode, and a hammer drive spring, which includes a fixed end and an end that is free to move. The striking mechanism includes a locking device, which is provided with at least one rotating bolt. This bolt includes a first arm provided with a hook for hooking onto a notch of the hammer to lock the hammer in an idle mode. The locking device is arranged to lock the hammer following a single strike of the hammer against the gong in a strike mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.