Sequentially activated development system for an electrophotogra

Details Sequentially activated development system for an electrophotogra Sequentially activated development system for an electrophotogra

1977-03-21

1978-12-26

Braun, Fred L.

Photocopying

Including fiber optics

118657, 118658, G03G 1500, B05B 502

Patent

active

041313577

ABSTRACT:
An apparatus in which a plurality of developing rollers deposit particles on a latent image. The developing rollers are activated and de-activated sequentially in response to the leading edge and trailing edge, respectively, of a latent image being closely adjacent to the rollers. The developer particles are transported from a storage chamber by at least one transport roller to at least one pair of feed rollers prior to its transfer to the developer rollers. A device for controlling the amount of developer particles transported by the transport roller to the feed rollers is positioned closely adjacent to the feed rollers.

REFERENCES:
patent: 3724943 (1973-04-01), Draugelis et al.
patent: 3911864 (1975-10-01), Hudson
patent: 3985099 (1976-10-01), Nagashima et al.
patent: 4008686 (1977-02-01), Katakura et al.
patent: 4030447 (1977-06-01), Takahashi et al.
patent: 4050413 (1977-09-01), Parker

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