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:
Feb. 05, 1991
Filed:
Dec. 09, 1988
Applicant:
Inventor:
Hiroaki Nakauchi, Osaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350251 ; 350252 ; 350257 ;
Abstract
A lens barrel having a movable barrel with a first cam channel, a fixed barrel with a second cam channel, a lens holding frame and a cam follower fitted in each of the first and second cam channels and fixed onto the lens holding member. The cam follower is made of elastic material and has a contact portion formed on the peripheral surface thereof so as to be in elastically pressing contact with one of the movable barrel, the fixed barrel and the lens holding member.