Charge apparatus and image forming apparatus

Details Charge apparatus and image forming apparatus Charge apparatus and image forming apparatus

1996-07-30

1998-03-24

Pendegrass, Joan H.

Electrophotography

Image formation

Charging

430902, G03G 1502

Patent

active

057323135

ABSTRACT:
The present invention provides a charge apparatus comprising a charge member to which voltage is applied for charging a member to be charged, the charge member having a bearing member for bearing a magnetic particle layer contacted with the member to be charged. The bearing member includes therein a plurality of magnetic poles disposed in a circumferential direction thereof, and the magnetic poles are arranged in a spiral fashion.

REFERENCES:
patent: 3643311 (1972-02-01), Knechtel et al.
patent: 4174903 (1979-11-01), Snelling
patent: 4675265 (1987-06-01), Kazama et al.
patent: 5666192 (1997-09-01), Mashino et al.

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