Electrographic development apparatus

Details Electrographic development apparatus Electrographic development apparatus

1975-05-01

1977-02-08

Stein, Mervin

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118419, 427 14, G03G 1308

Patent

active

040067084

ABSTRACT:
A flexible latent image-bearing photoconductive element is driven through a U-shaped path to form a self-contained electrographic developer reservoir to which electrically conductive toner particles are supplied. A grounded, electrically conductive, apertured member positioned in the toner reservoir in close proximity to the image-bearing surface of the photoconductor imparts continuous motion to the toner particles as the image-bearing element moves therepast. The motion creates a sweeping action which reduces the amount of toner background present in a finished print.

REFERENCES:
patent: 2761416 (1956-09-01), Carlson
patent: 2972332 (1961-02-01), Limberger
patent: 3117030 (1964-01-01), Jons et al.
patent: 3605693 (1971-09-01), Zweig
patent: 3870017 (1975-03-01), Kratcoski et al.
patent: 3871329 (1975-03-01), Anemaet

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