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:
Apr. 08, 1980
Filed:
Jan. 02, 1979
Applicant:
Inventors:
Nobuyoshi Inoue, Kawagoe, JP;
Osamu Ooba, Matsudo, JP;
Assignee:
Copal Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354259 ; 354239 ;
Abstract
A shutter for cameras comprising a control cam, a starting lever to be used to release the control cam in the cocked state and bring a gear governor into an operatable state, a governor lever engageable with the control cam to operate the gear governor and a stopper capable of absorbing the inertia force of the governor lever to stop the motion of the governor lever, so that the gear governor for controlling the shutter speed may always operate positively over a long period and the operating sound of the shutter may be made low.