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:
Mar. 08, 2011
Filed:
Jun. 24, 2009
Hiroki Nakamatsu, Fujisawa, JP;
Kenji Sugiura, Yokohama, JP;
Naomi Sugimoto, Kawasaki, JP;
Osamu Naruse, Yokohama, JP;
Hidetoshi Yano, Yokohama, JP;
Hiroki Nakamatsu, Fujisawa, JP;
Kenji Sugiura, Yokohama, JP;
Naomi Sugimoto, Kawasaki, JP;
Osamu Naruse, Yokohama, JP;
Hidetoshi Yano, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cleaning device including a conductive member configured to charge powder remaining on a member to be cleaned so as to have a single polarity and configured to scrape off at least part of the powder, and disposed to contact with the member to be cleaned; a cleaning member configured to electrically adsorb the powder present on the member to be cleaned, disposed to contact with the member to be cleaned and located downstream of the conductive member in a direction in which the powder is conveyed thereon; a first recovering member configured to electrically adsorb the powder present on the cleaning member and disposed to contact with the cleaning member; and a second recovering member configured to scrape off the powder from the first recovering member and disposed to contact with the first recovering member, wherein the conductive member is constant-current controlled.