Clock
US4674891A · kind A · utility
1Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 1986 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Jan 31, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B19/042
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A clock having an hour housing supporting an hour hand integral therewith in a minute housing supporting a minute hand integral therewith. A battery operated timing mechanism in the hour housing has an hour shaft for driving the hour housing in hand and a minute shaft for driving the minute housing in hand. The coupling of the minute shaft includes a threaded shaft end having opposed flats adapted to force-fit in a centrally disposed hole on the inside of the minute housing. A bracket is provided for supporting the timing mechanism in a fixed position such as from a wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.