Title:
A lens barrel and an imaging device
Document Type and Number:
Japanese Patent JP6271973
Kind Code:
B2
Abstract:
A lens barrel includes a first blade member, a second blade member provided at an object side of the first blade member and overlapped with at least part of the first blade member in an optical axis direction, a drive unit configured to perform an opening and closing drive of the first blade member and the second blade member, and a biasing member configured to apply a biasing force to the drive unit, the biasing member is disposed in a direction orthogonal to an optical axis with respect to the first blade member, and the biasing member is disposed so as to overlap with at least part of the second blade member in the optical axis direction during an opening and closing operation of the second blade member.
Inventors:
Kenichi Katano
Application Number:
JP2013247829A
Publication Date:
January 31, 2018
Filing Date:
November 29, 2013
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B11/04; G02B7/04; G03B17/02
Domestic Patent References:
| JP2012163687A | ||||
| JP2007219305A | ||||
| JP2010039129A | ||||
| JP2012042683A | ||||
| JP2013156530A | ||||
| JP2011123107A |
Foreign References:
| KR20030061991A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya
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