Lens barrel and imaging apparatus
US8087835B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 9, 2010 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Aug 9, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are a lens barrel capable of preventing a reduction in strength while maintaining a small size and a small thickness and an imaging apparatus including the lens barrel. A first moving cylinder in which a cam groove to which a second cam follower pin is fitted is provided in an inner surface is arranged outside a cam cylinder having the second cam follower pin provided on an outer surface thereof. In addition, a third lens group frame in which a cam follower pin fitted to one of the cam grooves is provided on an outer surface and a second lens group frame in which a cam follower pin fitted to the other groove is provided on an outer surface are arranged inside the cam cylinder having the cam grooves provided in the inner surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.