Title:
SHUTTER DEVICE, IMAGE-CAPTURING DEVICE, AND CAMERA SYSTEM
Document Type and Number:
Japanese Patent JP2014228709
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a shutter device capable of promptly suppressing the bound of a rear curtain when shading is released.SOLUTION: The shutter device has: a shutter bottom plate in which an opening is formed through which a photographic beam passes; a blade group for putting the opening into a closed state and an open state; a blade actuation member, with the blade group attached thereto, for actuating the blade group by rotating itself; a first urging member for urging the blade actuation member so that the blade group puts the opening into the open state; a blade drive member for driving the blade actuation member so that the blade group puts the opening into the closed state; a second urging member for urging the blade drive member so that the blade group puts the opening into the closed state; and a charge member for charging the second urging member. A first salient is formed in the blade actuation member, and a second salient is formed in the blade drive member. The blade actuation member contacts the blade drive member after the first salient formed in the blade actuation member climbs over the second salient formed in the blade drive member.
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Inventors:
UCHIDA TAKAYUKI
Application Number:
JP2013108434A
Publication Date:
December 08, 2014
Filing Date:
May 22, 2013
Export Citation:
Assignee:
CANON KK
International Classes:
G03B9/36
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Michiya Hirayama
Atsuya Mizumoto
Michiya Hirayama