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:
Dec. 09, 2014
Filed:
Jan. 11, 2012
Toru Ishimasa, Kawasaki, JP;
Toru Ishimasa, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A lens barrel includes a lens tube configured to hold a lens, a barrier driving member configured to move between an opened state and a closed state by switching of the lens tube between a shooting-ready state and a retracted state, a pair of first barrier blades, each of which includes a blade portion, configured to open and close in conjunction with the barrier driving member, and a pair of second barrier blades, each of which includes a blade portion and a coupling portion, the coupling portion positioned outside the lens as viewed from an object side and located closer to the first barrier blade than the blade portion, the pair of second barrier blades being configured to be moved by contact between the coupling portion and the first barrier blade.