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.
Patent No.:
Date of Patent:
Jun. 12, 2012
Filed:
Nov. 29, 2010
Yasutaka Yamaguchi, Chiba, JP;
Hiroshi Miyazaki, Saitama, JP;
Shigemi Takahashi, Tokyo, JP;
Nidec Copal Corporation, Tokyo, JP;
Abstract
A first driving member for front blade that connects a front blade and a second driving member for front blade are rotatably mounted to a shaft, a rear blade driving member that connects a rear blade is rotatably mounted to a shaft, the first driving member follows the second driving member and is rotated by a biasing force of a set spring in a setting operation, and is pressed by the second driving member and rotated in photography. The restraining means has a restraining member that can go in and out of an operation path of the restrained portion of the first driving member. When the present invention is adopted in a single-lens reflex camera, the restraining member can be within the operation path of the restrained portion in the setting operation for photography using an optical finder, and the restraining member can be outside the operation path of the restrained portion in the setting operation for photography using an electronic finder.