Title:
光学機器および撮像装置
Document Type and Number:
Japanese Patent JP6399799
Kind Code:
B2
Abstract:
An optical apparatus includes a base member (101) including a first rotation limiting end and a second rotation limiting end, a cylindrical member (113) rotatable relative to the base member in a circumferential direction, an abutting member (128) fixed on the cylindrical member, capable of abutting on each of the first and second rotation limiting ends, and rotatable, along with the cylindrical member, between the first and second rotation limiting ends, a first rolling support member (107) fixed on the base member to support the cylindrical member, rotatable around an axis that is parallel to a rotation center axis of the cylindrical member, and rotatable in a direction orthogonal to the rotation center axis, and the first rolling support member is disposed in a third region where a first region and a second region in a region around the rotation center axis overlap each other.
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Inventors:
Torii Shigehiro
Application Number:
JP2014098405A
Publication Date:
October 03, 2018
Filing Date:
May 12, 2014
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B7/08
Domestic Patent References:
| JP2014035438A | ||||
| JP2007047652A | ||||
| JP2011248139A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya