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:
Mar. 20, 2012
Filed:
Nov. 17, 2010
Isao Koishi, Susono, JP;
Susumu Nittani, Suntou-gun, JP;
Masatomo Tsuzuki, Odawara, JP;
Chikara Imaizumi, Numazu, JP;
Isao Koishi, Susono, JP;
Susumu Nittani, Suntou-gun, JP;
Masatomo Tsuzuki, Odawara, JP;
Chikara Imaizumi, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge is provided detachably mountable to a main assembly of an electrophotographic image forming apparatus. The process cartridge includes an electrophotographic photosensitive drum, a frame for supporting the electrophotographic photosensitive drum, a developing roller, and a developer supplying roller. The process cartridge further includes portions-to-be-supported, portions-to-be-positioned, a portion-to-be-urged, and a cartridge side developer supply roller bias contact. The process cartridge can be positioned with high accuracy relative to the main assembly of an image forming apparatus.