Cleaning device for use with transfer type electrostatic copying

Details Cleaning device for use with transfer type electrostatic copying Cleaning device for use with transfer type electrostatic copying

1984-03-29

1986-10-14

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118652, 1525651, G03G 2100

Patent

active

046169245

ABSTRACT:
A cleaning device for use with transfer type electrostatic copying machines wherein a wiping assembly disposed upstream of a charging-purpose corona discharger along the direction of travel of a photoreceptor is brought into slide contact with the photoreceptor during exposure to intercept residual toner particles on the photoreceptor. The wiping assembly comprises upstream and downstream members adapted to be brought into slide contact with the photoreceptor, and a pressure setting assembly for applying individual preset pressures to the two members, the arrangement being such that some of the residual toner particles are intercepted by the upstream member and then the remainder are intercepted by the downstream member.

REFERENCES:
patent: 3552850 (1971-01-01), Royka et al.
patent: 3570224 (1971-03-01), Clemens
patent: 4349270 (1982-09-01), Wada et al.
patent: 4465362 (1984-08-01), Tohma et al.

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