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. 01, 2013
Filed:
Mar. 15, 2011
Yoshiki Hozumi, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Osamu Naruse, Kanagawa, JP;
Naomi Sugimoto, Kanagawa, JP;
Hisashi Kikuchi, Kanagawa, JP;
Yuu Sakakibara, Kanagawa, JP;
Yoshiki Hozumi, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Osamu Naruse, Kanagawa, JP;
Naomi Sugimoto, Kanagawa, JP;
Hisashi Kikuchi, Kanagawa, JP;
Yuu Sakakibara, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
There is provided a pre-cleaning brush roller being a pre-cleaning member which is disposed on an upstream of a normally-charged-toner cleaning brush roller and an oppositely-charged-toner cleaning brush roller in a surface moving direction of an intermediate transfer belt, is applied with a voltage having a polarity opposite to a normal charge polarity of toner, and electrostatically removes the toner having the normal charge polarity.