Electrographic copier developer station

Details Electrographic copier developer station Electrographic copier developer station

1984-07-23

1986-04-22

Braun, Fred L.

Photocopying

Including fiber optics

118657, 118661, 354318, 355 10, G03G 1509

Patent

active

045838410

ABSTRACT:
A developer station for use in an electrographic copier utilizing moving discrete dielectric sheets, such sheets being adapted to respectively carry latent image charge patterns and travel along a path in pattern-developing relation to such station. The developer station includes a housing forming a reservoir for developer material. The housing has an opening in juxtaposition with the travel path. Developer material is transported from the reservoir through such opening and into such travel path. A movable shielding belt blocks the opening to prevent developer material from reaching the travel path. In response to approach of a discrete dielectric sheet moving along the travel path toward the station, the belt is moved to a position where a window through the belt overlies the opening thereby unblocking such opening to enable transported developer material to contact a discrete dielectric sheet when such sheet is in pattern-developing relation to the developer station.

REFERENCES:
patent: 3145122 (1964-08-01), Streich
patent: 3641896 (1972-02-01), Downey et al.
patent: 3641969 (1972-02-01), Hakanson
patent: 4077358 (1978-03-01), Kito
patent: 4460267 (1984-07-01), Ogawa
patent: 4465361 (1984-08-01), Rumsey

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