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:
Aug. 18, 1992
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Yukio Morino, Yotsukaido, JP;
Kazuo Akimoto, Yotsukaido, JP;
Assignee:
Seikosha Co., Ltd., , JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354435 ; 354439 ;
Abstract
A shutter for a single lens reflex camera performs exposure operation by means of a drive motor after closing once an opening responding to release operation from a state that the shutter opening is opened. Said shutter provides a drive member actuated by the drive motor, an operating member which opens and closes the shutter opening by actuating a shutter blade actuated by said drive member, holding means for holding said operating member at an opened position of the shutter opening and means for closing said shutter blade rapidly at the initial stage of actuation of said drive motor.