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:
Nov. 06, 2018
Filed:
Dec. 08, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Yuki Nagao, Utsunomiya, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a lens barrel which has a lens holding frame that holds a lens and has cam followers mounted on an outer circumferential portion thereof by screws and nuts and a cylinder member that has grooves into which the cam followers are fitted, and in which a position of the lens holding frame is regulated by the grooves. Holes into which the nuts are fitted and bottomed recesses with which bottoms of the cam followers come into contact are formed in places of the outer circumferential portion on which the cam followers are mounted, and axial end faces of the nuts protrude from the recesses to be fitted into inner circumferential portions of the cam followers.