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:
May. 07, 1985
Filed:
Mar. 31, 1982
Applicant:
Inventor:
Mitsuo Ohnuki, Sagamihara, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350255 ;
Abstract
A lens barrel having a moving frame moving in a direction of an optical axis of a zoom lens or the like, wherein the outer surface of the moving frame is not slidably moved in contact with the inner surface of the barrel. Instead, multiple guide grooves and an engaging member slidably moved along the guide grooves are provided on the barrel and the moving frame in such a manner that they are not positioned only diametrically on the barrel. Elimination of a rattle or play in the contact between the guide grooves and the engaging member is made easier, and any inner reflection from lubricant on the sliding surface can be avoided.