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. 25, 1995
Filed:
Oct. 21, 1992
Applicant:
Inventor:
Tomoaki Kobayashi, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G03B / ;
U.S. Cl.
CPC ...
359740 ; 359694 ; 359699 ; 359738 ; 3542711 ; 354274 ;
Abstract
A diaphragm mechanism in a zoom lens barrel includes a front movable lens group which is moved together with the diaphragm mechanism, a rear movable lens group located behind the front movable lens group, a diaphragm driving member which can engage with a diaphragm driving member provided on an associated camera body, and an intermediate drive transmitting member which transmits movement of the diaphragm driving member of the lens barrel to the diaphragm mechanism which is provided with a rear lens frame holding the rear movable lens group. The intermediate drive transmitting member is supported on the rear lens frame.