Cleaning device for electrostatic copiers

Details Cleaning device for electrostatic copiers Cleaning device for electrostatic copiers

1976-02-17

1977-05-03

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

1525652, G03G 2100

Patent

active

040211134

ABSTRACT:
An electrostatic copier wherein an electrostatic image pattern is formed in the photoconductive surface of a rotatable endless carrier, toner particles are attracted to the patterns to form a visible image and thereupon transferred to an image carrier and a cleaning web contacts a portion of the photoconductive surface to clean it in preparation for the formation of another image pattern, a brush roller has an axis of rotation extending parallel to the axis of rotation of the endless carrier, the brush roller engaging the surface upstream of the portion as considered in the direction of rotation of the endless carrier and being rotated exclusively by frictional contact with the surface so as to remove from the surface carrier particles adhering thereto and prevent them from reaching the web.

REFERENCES:
patent: 3625605 (1971-12-01), Schnell et al.
patent: 3667840 (1972-06-01), Engel et al.
patent: 3672764 (1972-06-01), Hartwig et al.
patent: 3784297 (1974-01-01), Ito et al.
patent: 3879124 (1975-04-01), Eppe
patent: 3940282 (1976-02-01), Hwa

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