Title:
SHUTTER UNIT AND IMAGING APPARATUS
Document Type and Number:
Japanese Patent JP2023013399
Kind Code:
A
Abstract:
To provide a low-cost shutter unit that can switch between a normally open system and a normally closed system without including a special actuator.SOLUTION: A shutter unit (1000) has: a first blade member (700); a first driving member (420) that is urged in a first direction; a second driving member (410) that is urged in a second direction; first charge members (320, 321) that move the first driving member in a second direction against urging force of the first urging member; a second charge member (315) that moves the second driving member in the first direction against urging force of the second urging member; and a motor (340) that supplies driving force to the first charge members and second charge member. When the first charge members move the first driving member, the motor rotates in a direction opposite to that when the second charge member moves the second driving member.SELECTED DRAWING: Figure 3(b)
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Inventors:
ADACHI KEISUKE
UEDA YUJI
KAWANAMI ATSUSHI
MATSUMOTO YOSHIYUKI
UEDA YUJI
KAWANAMI ATSUSHI
MATSUMOTO YOSHIYUKI
Application Number:
JP2021117550A
Publication Date:
January 26, 2023
Filing Date:
July 16, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
G03B9/36
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama
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