Lens barrel with a releasable engagement
US7474845B2 · kind B2 · utility
6Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2005 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Jul 31, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B15/177
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The lens barrel of the present invention, in order to provide a lens barrel capable of reliably and easily preventing the breakage of the tooth of the revolving shaft of the driving motor and the tooth of the rack which teeth are engaged with each other, the lens barrel is provided with: the driving motor; the lens unit holder that has the rack receiving the transmission of the driving force by engaging with the revolving shaft which is a part of the driving motor, and holds the lens unit holder; and the spear portion that releases the engagement between the part of the revolving shaft and the rack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.