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. 05, 1990
Filed:
Jun. 28, 1989
Applicant:
Inventors:
Misao Tanzawa, Kawasaki, JP;
Shuichi Endo, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355298 ; 355299 ;
Abstract
A cleaning device includes a cleaning blade for scraping out toner from a photosensitive member and a polygonal member for carrying scraped toner into a toner container. A rotation center of a blade holder for supporting the cleaning blade is coincident with a rotation center of the polygonal member. The polygonal member is composed of a plurality of sections arranged along an axis thereof. At least one of the sections has ridgelines which are shifted from those of the remaining sections.