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:
Jul. 13, 2009
Masaru Kobashi, Matsumoto, JP;
Yoichi Yamada, Shiojiri, JP;
Masahiro Maeda, Matsumoto, JP;
Atsunori Kitazawa, Shiojiri, JP;
Masaru Kobashi, Matsumoto, JP;
Yoichi Yamada, Shiojiri, JP;
Masahiro Maeda, Matsumoto, JP;
Atsunori Kitazawa, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An image carrier cleaning device includes: a first charging member which charges an image carrier to the same polarity as that of a toner after a transfer operation of a toner image formed by the toner charged to a predetermined polarity and having an external additive added thereto; a cleaning member which comes into contact with the image carrier charged by the first charging member; and a second charging member which applies an electric charge having a polarity opposite to a polarity of the toner to the image carrier having passed through the cleaning member.