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:
Oct. 22, 2019
Filed:
Nov. 21, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Daisuke Miura, Tokyo, JP;
Shuhei Iwasaki, Yokohama, JP;
Akira Sakakibara, Susono, JP;
Tatsuya Yamaai, Yokohama, JP;
Kazunori Noguchi, Suntou-gun, JP;
Harunobu Ogaki, Suntou-gun, JP;
Kazunari Hagiwara, Yokohama, JP;
Yuji Kawaguchi, Inagi, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A process cartridge configured to be detachably attachable to a main body of an electrophotographic image forming apparatus, in which an occurrence of an image failure is suppressed, wherein the process cartridge includes an electrophotographic photosensitive member and a cleaning member arranged in contact with the electrophotographic photosensitive member, wherein an elastic deformation modulus of a surface layer of the electrophotographic photosensitive member is 35% or larger, and the cleaning member is formed of a urethane foam, wherein a density of the urethane foam is 200 to 500 kg/cm, and a 25% compressive load of the urethane foam is 0.3 MPa or smaller.