Device for charging electrophotographic apparatus

Details Device for charging electrophotographic apparatus Device for charging electrophotographic apparatus

1983-10-31

1987-04-07

Anderson, Bruce C.

Radiant energy

Corona irradiation

Charging of objects

250324, G03G 1502

Patent

active

046563563

ABSTRACT:
A charging device for use in an electrophotographic apparatus is disclosed which charges, with improved efficiency and uniformity, a limited area of an electrophotosensitive member where a picture image is to be formed by corona discharge and which uniformly distributes electrostatic charges over the entire surface of the above area of the electrophotosensitive member. In the device, conductive members are disposed on both sides of a corona wire in the charging chamber to act as mating electrodes, and a mask in the form of a flexible film projects toward the opening of the chamber in such a manner as to make intimate contact with the electrophotosensitive member during charging.

REFERENCES:
patent: 3656021 (1972-04-01), Furuichi et al.
patent: 4320956 (1982-03-01), Nishikawa et al.
patent: 4437001 (1984-03-01), Harada

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