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. 09, 2021
Filed:
Dec. 13, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Ryuta Murakami, Suntou-gun, JP;
Tadashi Horikawa, Numazu, JP;
Shunsuke Uratani, Mishima, JP;
Yuichiro Inaba, Chigasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/18 (2006.01); G03G 15/00 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 21/186 (2013.01); G03G 15/757 (2013.01); G03G 21/1647 (2013.01); G03G 21/18 (2013.01); G03G 21/1864 (2013.01); G03G 2221/1657 (2013.01); G03G 2221/183 (2013.01);
Abstract
A process cartridge includes a photosensitive drum and a gear portion having gear teeth configured to receive a driving force from outside of the process cartridge. The gear portion includes an exposed portion exposed to outside of the process cartridge. A shortest distance from an axis of the photosensitive drum to a tooth tip of the exposed portion of the gear portion measured along a direction perpendicular to the axis of the photosensitive drum is no less than 90% and no more than 110% of a radius of the photosensitive drum.