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:
Feb. 15, 1990
Applicant:
Inventors:
Satoshi Haneda, Tokyo, JP;
Masakuzu Fukuchi, Tokyo, JP;
Hisashi Shoji, Tokyo, JP;
Shunji Matsuo, Tokyo, JP;
Shizuo Morita, Tokyo, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355296 ; 355210 ; 355297 ; 355299 ; 355301 ; 355327 ;
Abstract
A color image forming apparatus having an image retainer, a cleaning device for removing residual toner particles on the image retainer, and a device for releasing the cleaning device from the image retainer, which are integrally constructed as a process unit and can be taken out from an apparatus body. The cleaning device is in pressure contact with the image retainer when the process unit has been taken away. The device for releasing the cleaning device is mounted on the apparatus body.