Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LENS DEVICE AND IMAGING APPARATUS
Document Type and Number:
Japanese Patent JP2021009195
Kind Code:
A
Abstract:
To provide a lens device having an advantage in movement of a second lens barrel in a first lens barrel.SOLUTION: A lens device 1 includes: a fixed barrel 70 having a first cam along an optical axis; a first cam barrel 71 that has a second cam and is rotatably held by the fixed barrel around an optical axis; a first lens barrel that has a third cam along the optical axis and is movably held by the fixed barrel along the first cam with the second cam of the first cam barrel which rotates; a second cam barrel 14 that has a fourth cam, includes a connection part extending along the optical axis, and is rotatably held by the first lens barrel around the optical axis; a second lens barrel movably held by the first lens barrel along the third cam with the fourth cam of the second cam barrel which rotates; a first operational member 52 rotatably held by the fixed barrel around the optical axis; and a first connection member 54 for connecting the first operational member to the connection part. The first cam barrel is formed with a hole along an arc around the optical axis. The first connection member penetrates through the hole.SELECTED DRAWING: Figure 10

Inventors:
KAI TAKAHIKO
Application Number:
JP2019121945A
Publication Date:
January 28, 2021
Filing Date:
June 28, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CANON KK
International Classes:
G02B7/04; G02B7/02; G02B7/08; G03B17/14
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa