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:
Jul. 20, 2004
Filed:
Aug. 30, 2002
Atsushi Tanaka, Shizuoka, JP;
Hiroyuki Kobayashi, Shizuoka, JP;
Akihiko Nakazawa, Shizuoka, JP;
Tsunenori Ashibe, Kanagawa, JP;
Takashi Kusaba, Shizuoka, JP;
Hidekazu Matsuda, Shizuoka, JP;
Yuji Sakurai, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge detachably mountable on the main body of an electrophotographic apparatus, integrally supports a photosensitive drum for bearing toner images, and an intermediate transferring belt having a contact part with the photosensitive drum. The moisture amount of the intermediate transferring belt at 23° C./50% RH is less than 1% by weight and the sum of the surface roughness Ra of the photosensitive drum and the surface roughness Ra of the intermediate transferring belt is less than 0.8 &mgr;m. The present invention also provides an electrophotographic apparatus having the process cartridge and an image forming method using the electrophotographic apparatus.