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. 06, 1981
Filed:
Feb. 26, 1979
Hiroshi Kurei, Kawagoe, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A mirror operating mechanism in a single lens reflex camera having a first reflecting mirror which is provided to swing from the view finder observation position to the photographing retraction position. A second reflecting mirror introduces light passed through the first reflecting mirror at the finder observation position to a light measuring element. The second reflecting mirror is mounted swingably on the first reflecting mirror. The second reflecting mirror has a rotary shaft around which the second reflecting mirror can swing. Both ends of the rotary shaft are rotatably mounted on both sides of a frame supporting the first reflecting mirror. The end portion of an operating arm of the second reflecting mirror is brought into contact with a cam fixedly secured to a stationary member by means of a spring.