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. 17, 2020
Filed:
Dec. 27, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A holding apparatus which holds an optical element, the apparatus including: a lens barrel having an axis; and an annular pressing member configured to be screwed with the lens barrel and press the optical element against the lens barrel in a direction of the axis, wherein an engaging portion is formed in the pressing member, the engaging portion being to engage with a fastening tool for fastening the pressing member, at least a part of the engaging portion being formed, in the direction, in a region of the pressing member where the pressing member is screwed with the lens barrel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile