Push button device for watch casing
US4152889A · kind A · utility
4Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 1977 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Jul 13, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A push button device for a watch casing comprising a watch casing, a through hole formed on a side wall of the watch casing, through which a push button is inserted to be secured, a pipe fitted to the through hole and provided and a guide surface inside the outer edge thereof, the push button having a pushing portion at one end thereof and a groove at the other end thereof and an engaging ring elastically deformable and fitted to the groove. The engaging ring locks the button in position thereby providing useful and effective push button device for a watch casing which is easy to assemble and is low in cost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.