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. 22, 1999
Filed:
Dec. 16, 1997
Applicant:
Inventors:
Osamu Kizaki, Tokyo, JP;
Atsushi Sanpe, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399346 ; 399350 ;
Abstract
A contact time with an image carrier and a cleaning blade is added up, and a toner image pattern is formed according to such an added up value. Accordingly, the quantity of toner as a lubricant sticking based on a toner image pattern becomes a most suitable quantity. As the added up value increases when it is described concretely, an area of the toner image pattern is made small, and accordingly a quantity of adhesion of toner is reduced. Accordingly, when a frictional resistance between an image carrier and a cleaning blade becomes low, or when an image carrier deteriorates, a quantity of supply of toner is controlled to be a proper amount