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:
Sep. 27, 2016
Filed:
Feb. 23, 2016
Ricoh Company, Ltd., Tokyo, JP;
Yusuke Mitani, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Yuuji Wada, Kanagawa, JP;
Kazuki Yogosawa, Tokyo, JP;
Junpei Fujita, Kanagawa, JP;
Seiichi Kogure, Kanagawa, JP;
Naohiro Kumagai, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cleaning device includes a plurality of cleaners. The plurality of cleaners includes at least a first cleaner, a second cleaner, and a third cleaner arranged next to each other in a traveling direction of a cleaning target. The first cleaner is disposed at an extreme upstream end of the traveling direction and supplied with a first voltage having a same polarity as a polarity of a normally-charged toner. The cleaners, other than the first cleaner, disposed downstream from the first cleaner, is supplied with a second voltage having a polarity opposite the polarity of the normally-charged toner.