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:
Jul. 04, 1995
Filed:
Jan. 28, 1994
Applicant:
Inventor:
Taiichi Kawaguchi, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355251 ; 118657 ; 118658 ; 355245 ; 355253 ;
Abstract
A developing unit according to the present invention comprises a member interposed between adjacent first and second magnetic poles in a developer supply roller and arranged close to the second pole and to the surface of said developer supply roller, for generating a magnetic field between the second magnetic pole and the member to form a curtain of developers, peeling the developers from the surface of the developer supply roller, and separating the developers supplied by the developer supply roller and the developers peeled from the surface of the developer supply roller from the developer supply roller in the horizontal direction.