The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 03, 2016

Filed:

Sep. 04, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Yoshiyuki Matsumoto, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); G03B 9/26 (2006.01); G03B 9/20 (2006.01); G03B 9/42 (2006.01);
U.S. Cl.
CPC ...
G03B 9/26 (2013.01); G03B 9/20 (2013.01); G03B 9/42 (2013.01); H04N 5/2254 (2013.01);
Abstract

A focal-plane shutter includes at least one blade group, a shutter base plate where the blade group is rotatably attached, a blade driving member rotatably supported by the shutter base plate and configured to drive the blade group from a standby position to a travelling completed position when taking pictures, a charge member configured to charge the blade driving member and a braking member formed on a first surface opposite to a second surface where the blade driving member of the shutter base plate is rotatably supported and configured to abut against a protruding portion which penetrates the shutter base plate from the blade driving member so as to protrude to the first surface.


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