Developing device for electrophotographic apparatus having magne

Details Developing device for electrophotographic apparatus having magne Developing device for electrophotographic apparatus having magne

1989-04-05

1991-01-08

Pendegrass, Joan H.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355251, 355253, G03G 1509

Patent

active

049826913

ABSTRACT:
A developing device for an electrophotographic apparatus includes a developing magnet roller, a transfer magnet roller and a separator for separating these rollers. Each of these rollers has a sleeve which is rotatably fitted around a columnar magnet piece. Between the sleeve of the developing magnet roller and the separator is a gap which is greater than the thickness of a developer layer formed on a surface of the sleeve of the developing magnet roller.

REFERENCES:
patent: 4044719 (1977-08-01), Ohmori
patent: 4699079 (1987-10-01), Palm et al.

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