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:
Jun. 24, 2008
Filed:
Sep. 17, 2004
Applicant:
Nobuo Inoue, Tokyo, JP;
Inventor:
Nobuo Inoue, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); B41J 29/17 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet conveying unit that guides and conveys a sheet material by a lower conveying guide includes an opening in the lower conveying guide, a brush-like member on a downstream side of the opening to scrap off paper dust adhered on a surface of a sheet material. A sheet detecting unit controls operation of the brush-like member.