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. 09, 1991
Filed:
Apr. 14, 1989
Applicant:
Inventors:
Junji Kobayashi, Ibaraki, JP;
Hiroyoshi Tokoro, Ibaraki, JP;
Kiyoshi Niinuma, Ibaraki, JP;
Kensei Hosoya, Ibaraki, JP;
Masao Chiba, Ibaraki, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355253 ; 355245 ; 355251 ;
Abstract
A developing apparatus for xerography including a developing roll, a regulator member for controlling developer thickness located proximate to the developing roll, and an elastic plate member arranged to elastically apply pressure to uniformly spread the developer on the developing roll.