Corona discharging apparatus used in an electrostatic photograph

Details Corona discharging apparatus used in an electrostatic photograph Corona discharging apparatus used in an electrostatic photograph

1982-07-27

1984-09-04

Prescott, A. C.

Photocopying

Including fiber optics

355 14CH, 355 3TR, 355 14TR, 250325, G03G 1500

Patent

active

044694288

ABSTRACT:
A corona discharging apparatus used in an electrostatic photographic copying machine includes a shield case provided with an open portion facing a circumferential surface of a sensitive drum. The shield case is detachably and dislocatably provided with a shield cover for regulating an electrifying width achieved by a thin wire for corona discharging arranged in the shield case at a longitudinal end of the shield case over the open portion.

REFERENCES:
patent: 3374348 (1968-03-01), Ostensen
patent: 3578970 (1971-05-01), Michaud et al.
patent: 3609354 (1971-09-01), Herman
patent: 3764804 (1973-10-01), Hirschman
patent: 3936635 (1976-02-01), Clark
patent: 4089600 (1978-05-01), Ito et al.
patent: 4099219 (1978-07-01), Laing
patent: 4110811 (1978-08-01), Hubble et al.
patent: 4174170 (1979-11-01), Yamamoto et al.
patent: 4252431 (1981-02-01), Cormier
patent: 4260240 (1981-04-01), Pieper
patent: 4320957 (1982-03-01), Brown et al.

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