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:
May. 29, 2012
Filed:
Jun. 15, 2009
Osamu Naruse, Yokohama, JP;
Hidetoshi Yano, Yokohama, JP;
Kenji Sugiura, Yokohama, JP;
Naomi Sugimoto, Kawasaki, JP;
Hiroki Nakamatsu, Fujisawa, JP;
Osamu Naruse, Yokohama, JP;
Hidetoshi Yano, Yokohama, JP;
Kenji Sugiura, Yokohama, JP;
Naomi Sugimoto, Kawasaki, JP;
Hiroki Nakamatsu, Fujisawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cleaning devicefor removing a toner remaining on an image bearing memberA after transfer, including: a polarity control memberconfigured to unify polarities of the remaining toner on the image bearing memberA, a cleaning memberconfigured to remove the remaining toner having a polarity unified by the polarity control member, a collecting memberconfigured to collect the remaining toner transferred to the cleaning member, a bladeconfigured to remove the remaining toner from the collecting member, and a brush rollerconfigured to sweep the remaining toner on the image bearing memberA and inject charge, disposed upstream of the polarity control memberin the traveling direction of the image bearing memberA.