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:
Feb. 19, 2019
Filed:
Sep. 14, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Takahito Ueno, Mishima, JP;
Shigeo Miyabe, Numazu, JP;
Masanari Morioka, Numazu, JP;
Masato Hisano, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrophotographic photosensitive drum unit usable in a process cartridge includes a cylinder having a photosensitive layer at an outer periphery thereof and an axis L. A drum flange is provided at one end of the cylinder, with the drum flange including a recess formed on an inside thereof and a gear portion provided along an outer surface of the drum flange. A detachable member is detachably attached to the drum flange and overlaps parts of the recess as seen along a direction of the axis L, with the detachable member being provided within the drum flange in the direction of the axis L