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:
Dec. 09, 2008
Filed:
Sep. 08, 2005
Takeo Suda, Tokyo, JP;
Shinichi Kawahara, Tokyo, JP;
Keiichi Yoshida, Kawasaki, JP;
Yoshio Hattori, Kawasaki, JP;
Shuji Tanaka, Chigasaki, JP;
Takeo Suda, Tokyo, JP;
Shinichi Kawahara, Tokyo, JP;
Keiichi Yoshida, Kawasaki, JP;
Yoshio Hattori, Kawasaki, JP;
Shuji Tanaka, Chigasaki, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
A charging device including a charging member configured to charge an image bearing member while the charging member is contacted with or is located so as to be close to the image bearing member when the charging device is set in an image forming apparatus; and a cleaning member configured to clean a surface of the charging member while contacting the surface of the charging member, wherein the pressure A at which the cleaning member is contacted with the charging member when the charging device is set in the image forming apparatus is greater than the pressure B at which the cleaning member is contacted with the charging member before the charging device is set in the image forming apparatus.