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:
Sep. 13, 2022
Filed:
Oct. 07, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Tetsuo Uesugi, Suntou-gun, JP;
Makoto Hayashida, Numazu, JP;
Koji Yamaguchi, Numazu, JP;
Takashi Yano, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A drum unit for a cartridge includes a cylindrical photosensitive drum having an axis Land a coupling member operatively connected to the photosensitive drum. The coupling member includes a first member having a cylindrical portion, a part of the first member being positioned inside of the photosensitive drum and a part of the first member being positioned outside of the photosensitive drum. The coupling member also includes a second member operatively connected to first member, the second member including a plurality of arm portions that are movable relative to the first member, with at least a part of each of the arm portions being positioned inside of the photosensitive drum and inside of the first member.