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:
Oct. 21, 1980
Filed:
Nov. 30, 1976
Applicant:
Inventors:
Mitsuo Koyama, Yotsukaido, JP;
Tadashi Nakagawa, Yotsukaido, JP;
Masanori Watanabe, Yotsukaido, JP;
Eiichi Onda, Yotsukaido, JP;
Ichiro Nemoto, Yotsukaido, JP;
Assignee:
Seiko Koki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354266 ; 354226 ;
Abstract
In a shutter control device provided with shutter blades pivoted on a 1st base-plate with film exposure opening, a control mechanism provided on the side of the opening of said 1st base-plate, a 2nd base-plate having a supporting flat surface disposed with said control mechanism thereon, and an auxiliary base-plate covering said control mechanism disposed on said 2nd base-plate. At least one of the 1st and 2nd base plates is comprised of synthetic resin.