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:
Apr. 21, 1992
Filed:
Mar. 15, 1990
Applicant:
Inventors:
Jun-ichi Hamada, Hachioji, JP;
Yukio Okamoto, Hachioji, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346160 ; 355296 ; 355299 ; 355219 ;
Abstract
An image forming apparatus wherein a toner image is formed in a non-image area on an image retainer and a toner is attached to a cleaning blade for cleaning residual toner by cleaning the toner image by the cleaning blade. The toner image is shaped in a slender line, a stripe, or the like. The toner image is formed every image forming process.