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:
Mar. 22, 1994
Filed:
Jul. 31, 1991
Applicant:
Inventors:
Kazuo Fuji, Higashi-Osaka, JP;
Akira Nakakuma, Takaishi, JP;
Naruo Yabe, Kobe, JP;
Akihiro Watanabe, Kawai, JP;
Yoshihisa Kuramae, Hirakata, JP;
Toshio Nishio, Nara, JP;
Noriaki Tsubota, Himeji, JP;
Masahiko Kubo, Yao, JP;
Kazuhisa Edahiro, Hirakata, JP;
Assignee:
Mita Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430122 ; 355251 ; 118657 ;
Abstract
The present invention provides a magnetic brush developing method using a two-component developer, characterized in that the development is carried out under such conditions that at the position where the sliding contact of the magnetic brush with the surface of the photosensitive material drum terminates, the following requirement is satisfied: