Process for conveying a developer mixture

Details Process for conveying a developer mixture Process for conveying a developer mixture

1973-06-27

1976-04-06

Jenkins, Robert W.

Photocopying

Contact printing

Light boxes

355 3DD, 198198, B01F 704

Patent

active

039484939

ABSTRACT:
A process for mixing enriched dry developer with depleted dry developer in an electrophotographic copying system which includes the steps of conveying a dry developer mixture from a reservoir to a developing station, returning a substantial portion of the developer mixture removed from the reservoir to the reservoir before it reaches the developing zone and mixing it with depleted developer mixture from the developing station. An apparatus for accomplishing the process including at least one endless conveyor belt on which plates are positioned at intervals along its length projecting outwardly and mounted at right angles to the center line thereof and at least one pair of rollers upon which the belt is mounted. This apparatus also may include a cover plate for a portion of the belt. The belt may have internal serrations and be composed of soft elastic material.

REFERENCES:
patent: 852325 (1907-04-01), Hall
patent: 2832311 (1958-04-01), Byrne
patent: 2874824 (1959-02-01), Sund
patent: 3245518 (1966-04-01), Reidel
patent: 3472657 (1969-10-01), Mayer
patent: 3754962 (1973-08-01), Berlier

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