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:
Aug. 04, 2015
Filed:
Aug. 10, 2012
Shinya Yamamoto, Numazu, JP;
Taku Watanabe, Susono, JP;
Yasunori Toriyama, Numazu, JP;
Hideki Maeshima, Mishima, JP;
Kuniaki Hirukawa, Susono, JP;
Shinya Yamamoto, Numazu, JP;
Taku Watanabe, Susono, JP;
Yasunori Toriyama, Numazu, JP;
Hideki Maeshima, Mishima, JP;
Kuniaki Hirukawa, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrophotographic image forming apparatus for forming an image on a recording material includes an electrophotographic photosensitive member (drum); a developer carrying member; a cleaning blade for cleaning the drum; a developer seal member of a peripheral surface seal type, provided at an end portion of the developer carrying member, for preventing leakage of the developer; and a developer retaining member provided at an end portion of the cleaning blade. With respect to a longitudinal direction of the drum, the developer seal member is disposed in a region where the cleaning blade is provided, an inside end position of the retaining member is located at the same position as or inside an inside end position of the developer seal member, and an outside end position of the retaining member is located at the same position as or outside an outside end position of the developer seal member.