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:
Jul. 15, 1997
Filed:
Dec. 08, 1995
Applicant:
Inventor:
Hiroshi Tanioka, Kashiwa, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359701 ; 359708 ;
Abstract
A lens barrel includes an interlocking key member, extending in an optical-axis direction, for transferring a rotary force for moving an optical system and a rotary member serving to hold the interlocking key member and rotating about the optical axis. The rotary member has an inserted portion into which the interlocking key member is inserted and an engagement portion for regulating a movement of the interlocking key member in the optical-axis direction. The interlocking key member has an engaged portion capable of engaging with the engagement portion when inserted into the inserted portion of the rotary member.