Time striking device for timepiece
US4247933A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1979 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Jul 11, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04C21/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A time striking device for a timepiece including an electric time striking means, an electric contact means electrically controlling the operation of the time striking means, a time striking selecting cam plate synchronously rotating with a time indicating gear train to control the electric contact means in a state capable of closing circuit action at the striking time, a one-minute cam plate synchronously rotating with the time indicating gear train to control the electric contact means in a state capable of closing circuit action at one minute interval, a one-minute control lever transmitting contact point control force of the one-minute cam plate to the moving contact plates of the electric contact means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.