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.

Date of Patent:
Feb. 09, 1999

Filed:

Apr. 29, 1998
Applicant:
Inventors:

Hiroshi Goto, Itami, JP;

Shuichi Nakagawa, Suita, JP;

Yoichi Fujieda, Nishinomiya, JP;

Ryuji Inoue, Itami, JP;

Assignee:

Minolta Co., Ltd., Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399284 ; 399285 ;
Abstract

The present invention is directed to a developing device using a developer carrying member in which an insulating layer is formed on the surface of a conductive base substrate for regulating, in conveying a developer to a developing area opposite to an image carrying member with it being held on the surface of the developer carrying member, the amount of the developer conveyed to the developing area upon pressing a regulating member against the surface of the developer carrying member, wherein a regulating member in which a dielectric layer satisfying the following relationship (1) is formed on an electrical conductive member is used as the regulating member, to press the dielectric layer against the developer carrying member:


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