Contact charger and image forming apparatus provided with same

Details Contact charger and image forming apparatus provided with same Contact charger and image forming apparatus provided with same

1994-10-31

1996-04-02

Brase, Sandra L.

Photocopying

Contact printing

Light boxes

355200, G03G 1502

Patent

active

055045618

ABSTRACT:
A contact charging device which charges a rotatable photoreceptor. The contact charging device has a support member provided adjacently to the photoreceptor, first and second films each one end portion of which is supported by the support member. Each free end portion of the first and second films is in contact with the surface of the photoreceptor. The second film is positioned on downstream side from the first film with respect to a rotational direction of the photoreceptor. In the above charging device, a resistance value of the first film is higher than a resistance value of the second film.

REFERENCES:
patent: 4387980 (1983-06-01), Ueno et al.
patent: 5192974 (1993-03-01), Ikegawa et al.
patent: 5196892 (1993-03-01), Mitsuaki
patent: 5323215 (1994-06-01), Ohtaka et al.
patent: 5353101 (1994-10-01), Adachi et al.

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