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:
Jun. 04, 1996
Filed:
Dec. 15, 1994
Applicant:
Inventors:
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359819 ; 359825 ; 359694 ; 359699 ; 354485 ; 361749 ;
Abstract
A lens barrel having a fixed cylinder for holding a photographic optical system, and a rotary cylinder surrounding the fixed cylinder which is provided with a fitting portion for holding the rotary cylinder rotatively, and also, a diametral portion whose diameter is smaller than this fitting portion. The lens barrel further having a printed-circuit board having electric components assembled thereon. This printed-circuit board is arranged on the aforesaid diametral portion of the fixed cylinder in the space formed between the inner circumference of the rotary cylinder and the diametral portion.