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. 08, 2005
Filed:
Jul. 29, 2003
Eiji Kurimoto, Numazu, JP;
Ryohichi Kitajima, Numazu, JP;
Yoshiaki Kawasaki, Susono, JP;
Akihiro Sugino, Numazu, JP;
Takaaki Ikegami, Susono, JP;
Eiji Kurimoto, Numazu, JP;
Ryohichi Kitajima, Numazu, JP;
Yoshiaki Kawasaki, Susono, JP;
Akihiro Sugino, Numazu, JP;
Takaaki Ikegami, Susono, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
An image forming apparatus including a photoreceptor having an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate, and a protection layer including an inorganic filler in an amount of from 3 to 25% by weight based on total weight of the protection layer and a binder resin, and overlying the photosensitive layer. The apparatus further including a charger, an irradiator, an image developer, and a transferer transferring a toner image onto a transfer material. The apparatus also includes a cleaner cleaning the photoreceptor, including a rotatable core and a looped brush fiber provided on the surface of the rotatable core so as to contact the photoreceptor. A top of the looped brush fiber is positioned on an upstream side from a root of the looped brush fiber relative to a rotating direction of the rotatable core.