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:
Aug. 24, 1999
Filed:
Aug. 20, 1998
Applicant:
Inventors:
Tomoaki Okada, Hiroshima, JP;
Hitoshi Hirose, Mihara, JP;
Assignee:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399239 ; 399249 ;
Abstract
An electric field applying device is disposed in a position opposite to a surface of rotary developing device within an area defined between the surface of the developing means and a position of scratching device after the surface of the developing device passes through a developing area so as to apply an electric field in a direction in which ions having the polarity opposite to that of toner particles are separated from the surface of the developing device.