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. 04, 1989
Filed:
Dec. 11, 1987
Applicant:
Inventor:
Tomobumi Shibano, Kawasaki, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
355 15 ; 355 / ;
Abstract
A cleaning device adapted to be detachably mounted on an electrostatic printing apparatus etc. for removing by means of a cleaning blade etc. extra toner left on a photosensitive member of the printing apparatus for storage in a toner recovery tank is disclosed, in which the cleaning blade etc. is moved to seal an opening of the toner recovery tank when the cleaning device is detached from the photosensitive member.