Title:
レンズ装置およびそれを有する撮像装置
Document Type and Number:
Japanese Patent JP7204361
Kind Code:
B2
Abstract:
A lens apparatus includes a cam barrel having a cam groove and rotatable around an optical axis, a cam follower engaged with the cam groove, a movable member movable in an optical axis direction via the cam follower as the cam barrel rotates, a straight guide member configured to guide the movable member in the optical axis direction and restrict a movement of the cam barrel in a first direction parallel to the optical axis, a first biasing member configured to bias the movable member in a second direction opposite to the first direction so that the cam follower contacts a first cam groove surface of the cam groove in the optical axis direction, and a second biasing member configured to bias the cam barrel in the first direction.
Inventors:
Katsuhiro Inoue
Application Number:
JP2018131962A
Publication Date:
January 16, 2023
Filing Date:
July 12, 2018
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B7/04
Domestic Patent References:
| JP2003279827A | ||||
| JP2011069886A | ||||
| JP2005326628A | ||||
| JP2018072466A | ||||
| JP2001215393A |
Foreign References:
| US20140355132 | ||||
| CN2731482Y |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama