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. 27, 2009
Filed:
Jun. 20, 2006
Kazuhiko Watanabe, Koganei, JP;
Osamu Naruse, Yokohama, JP;
Masahiko Shakuto, Zama, JP;
Hidetoshi Yano, Yokohama, JP;
Kazuhiko Watanabe, Koganei, JP;
Osamu Naruse, Yokohama, JP;
Masahiko Shakuto, Zama, JP;
Hidetoshi Yano, Yokohama, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
A cleaning device including an elastic blade whose tip is contacted with a surface of a rotating member in such a manner as to counter the rotated member to remove particles of a toner on the rotated member; and a holder configured to support the elastic blade, wherein a nip formed by longitudinal end portions of the tip of the blade and the surface of the rotated member has a first nip width in a rotation direction of the rotated member, and a nip formed by a central portion of the blade and the surface of the rotated member has a second nip width, and wherein the first nip width is less than the second nip width.