Lens barrel and image pickup apparatus
US9007704B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 8, 2013 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | May 31, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0266
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens barrel includes a fixed cylinder configured to hold a plurality of lens units that constitute a main optical system, an extender configured to be rotatably held by the fixed cylinder and disposed between the plurality of lens units, a first shaft configured to rotate the extender around a first axis that is parallel to an optical axis of the main optical system so that the extender is inserted into or retracted from an optical path of the main optical system, a second shaft configured to rotate around a second axis that is parallel to the optical axis so as to transmit a rotation to the first shaft, and an exterior member attached to the fixed cylinder, the second shaft is attached to the exterior member, the exterior member is attached to the fixed cylinder, and the rotation of the second shaft is transmitted to the first shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.