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Patent Searching and Data


Title:
SHUTTER DEVICE AND IMAGING DEVICE
Document Type and Number:
Japanese Patent JP2021189388
Kind Code:
A
Abstract:
To provide a shutter device which suppresses chipping of a sliding surface between a brake member and a driving member formed of a resin material, and maintains stable brake performance.SOLUTION: A shutter device has: a bottom board 400 having an opening 400a; a plurality of shutter blades 600 for opening/closing the opening; a driving member 361 for driving the plurality of shutter blades; a brake member 331 for braking the driving member while being brought into contact with the driving member; and a slid member 332 having a second sliding surface 332s slid with respect to a first sliding surface 331s of the brake member. The brake member is formed of a resin material. At least one sliding surface of the first and second sliding surfaces has a recess 331e which is not brought into contact with the other sliding surface.SELECTED DRAWING: Figure 16

Inventors:
UEDA YUJI
Application Number:
JP2020097432A
Publication Date:
December 13, 2021
Filing Date:
June 04, 2020
Export Citation:
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Assignee:
CANON KK
International Classes:
G03B9/36; G03B17/02; H04N5/225
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya