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. 04, 2011
Filed:
Oct. 26, 2007
Makoto Nakamura, Ebina, JP;
Yutaka Narita, Sagamihara, JP;
Tadayuki Oshima, Atsugi, JP;
Taisuke Tokuwaki, Sagamihara, JP;
Hiroki Furubayashi, Atsugi, JP;
Makoto Nakamura, Ebina, JP;
Yutaka Narita, Sagamihara, JP;
Tadayuki Oshima, Atsugi, JP;
Taisuke Tokuwaki, Sagamihara, JP;
Hiroki Furubayashi, Atsugi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The charge assembly according to the present invention includes a charge member having a conductive support body on which a resistance adjusting layer and a surface layer covering the resistance adjusting layer are formed, to rotate a surface of the image support body to electrically charge the image support body, the surface layer having a static friction coefficient of 1.0 or more; and a cleaning member rotating the surface layer of the charge member in contact therewith to remove foreign particles on the surface layer.