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:
Jan. 18, 2011
Filed:
Jan. 10, 2008
Yasuyuki Yamashita, Zama, JP;
Hidetoshi Yano, Yokohama, JP;
Oasamu Naruse, Yokohama, JP;
Naomi Sugimoto, Kiwasaki, JP;
Kenji Sugiura, Yokohama, JP;
Yasuyuki Yamashita, Zama, JP;
Hidetoshi Yano, Yokohama, JP;
Oasamu Naruse, Yokohama, JP;
Naomi Sugimoto, Kiwasaki, JP;
Kenji Sugiura, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cleaning device including a polarity control unit to control a charge polarity of residual toner particles, a cleaning member, a surface of which is movable, to electrostatically remove the residual toner particles, provided on a downstream side from the polarity control unit relative to a surface moving direction of an image bearing member, a toner collecting unit to collect the residual toner particles on the cleaning member, and a neutralizing member to neutralize the image bearing member, provided on a downstream side from the polarity control unit and an upstream side from the cleaning member relative to the surface moving direction of the image bearing member.