Contact charger having a curved surface

Details Contact charger having a curved surface Contact charger having a curved surface

1993-10-25

1994-12-27

Grimley, A. T.

Photocopying

Contact printing

Light boxes

361225, 361230, G03G 1502

Patent

active

053769953

ABSTRACT:
A contact charger in an electrophotographic image forming apparatus for electrostatically charging a photosensitive, latent image support surface of a rotatably supported photosensitive drum in contact therewith. The contact charger comprises a generally elongated carrier and a charging member carried at a first side edge by the carrier. This charging member has a second side edge opposite to the first side edge which is held in sliding contact with the photosensitive surface over a predetermined contact distance. The charging member has a curved surface of a radius of curvature of 0.02 to 1.0 mm at a side edge portion thereof at which contact of the charging member with the photosensitive surface terminates. A power source for applying a voltage to the charging member is also employed.

REFERENCES:
patent: 4851960 (1989-07-01), Nakamura et al.
patent: 5060014 (1991-10-01), Adachi et al.
patent: 5068762 (1991-11-01), Yoshihara
patent: 5192974 (1993-03-01), Ikegawa et al.
patent: 5278614 (1994-01-01), Ikegawa et al.

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