CORONA DISCHARGING APPARATUS FOR AN ELECTROSTATIC PHOTOGRAPHIC COPYING MACHINE

摘要

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.