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. 10, 1978
Filed:
Nov. 24, 1976
Mitsuo Koyama, Yotsukaido, JP;
Ichiro Nemoto, Yotsukaido, JP;
Eiichi Onda, Yotsukaido, JP;
Tadashi Nakagawa, Yotsukaido, JP;
Masanori Watanabe, Yotsukaido, JP;
Seiko Koki Kabushiki Kaisha, , JP;
Abstract
A control device of the shutter for a camera, which is equipped with shutter blades opening and closing an opening for the exposing operation. A control member actuated by the operation of shutter release and starting an opening member begins the exposing operation at the end of said operation, and an electromagnet connected to an electronic delaying circuit adjusts the time of finishing exposure. A magnetic control lever having a magnetic portion opposing said electromagnet and formed with synthetic resin, and a spring exerting a force for separating said magnetic portion of said magnetic control lever from said electromagnet, is constructed such that a flexible portion which presses said magnetic portion on the attracting face of said electromagnet against said spring is formed of synthetic resin on the engaging portion of at least one of said magnetic control lever and said control member.