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. 20, 2021
Filed:
Feb. 11, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Atsuto Noda, Tokyo, JP;
Nobuyoshi Suzuki, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/04 (2021.01); G02B 7/10 (2021.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G02B 7/10 (2013.01);
Abstract
In a lens barrel, a first drive unit is driven to thereby cause a third lens holding frame to be movable in an optical axis direction relatively to a first lens holding frame and a second lens holding frame. One end of a guide shaft is fixed to the first lens holding frame, and another end of the guide shaft is fixed to the second lens holding frame.