Charging device and image forming apparatus

Details Charging device and image forming apparatus Charging device and image forming apparatus

1993-11-22

1995-05-23

Beatty, Robert B.

Photocopying

Contact printing

Light boxes

361225, G03G 1500

Patent

active

054186056

ABSTRACT:
A charging device includes a member to be charged, and a charging member for charging the member to be charged. The charging member includes a surface layer which can contact the surface of the member to be charged. A voltage is applied between the member to be charged and the charging member. The contact angle with water .gamma..sub.R of the surface layer of the charging member is greater than the contact angle with water .gamma..sub.D of the surface of the member to be charged. An image forming apparatus includes the above-described charging device.

REFERENCES:
patent: 4853737 (1989-08-01), Hartley et al.
patent: 4967231 (1990-10-01), Hosoya et al.
patent: 5089851 (1992-02-01), Tanaka et al.
patent: 5140371 (1992-08-01), Ishihara et al.
patent: 5168309 (1992-12-01), Adachi et al.
patent: 5187849 (1993-02-01), Kobayashi
patent: 5235386 (1993-08-01), Yano et al.

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