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:
Dec. 12, 2006
Filed:
Aug. 20, 2004
Ken Amemiya, Tokyo, JP;
Masato Yanagida, Tokyo, JP;
Naohiro Kumagai, Kanagawa, JP;
Takeshi Shintani, Kanagawa, JP;
Takaaki Tawada, Kanagawa, JP;
Yuji Arai, Kanagawa, JP;
Toshio Koike, Kanagawa, JP;
Takuji Yoneda, Tokyo, JP;
Takeshi Tabuchi, Saitama, JP;
Yutaka Takahashi, Tokyo, JP;
Eisaku Murakami, Tokyo, JP;
Takeshi Uchitani, Kanagawa, JP;
Masami Tomita, Shizuoka, JP;
Masanori Kawasumi, Kanagawa, JP;
Ken Amemiya, Tokyo, JP;
Masato Yanagida, Tokyo, JP;
Naohiro Kumagai, Kanagawa, JP;
Takeshi Shintani, Kanagawa, JP;
Takaaki Tawada, Kanagawa, JP;
Yuji Arai, Kanagawa, JP;
Toshio Koike, Kanagawa, JP;
Takuji Yoneda, Tokyo, JP;
Takeshi Tabuchi, Saitama, JP;
Yutaka Takahashi, Tokyo, JP;
Eisaku Murakami, Tokyo, JP;
Takeshi Uchitani, Kanagawa, JP;
Masami Tomita, Shizuoka, JP;
Masanori Kawasumi, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A cleaning unit includes a cleaning blade that cleans toner on an image carrier and a brush-shaped roller that applies a lubricant of a molded lubricant on the image carrier. The brush-shaped roller is insulative, and delivers the toner cleaned by the cleaning blade to inside of the cleaning unit.