Injection roller developer for electrophotographic copier and bi

Details Injection roller developer for electrophotographic copier and bi Injection roller developer for electrophotographic copier and bi

1980-09-24

1983-08-23

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118661, G03G 1510

Patent

active

044000790

ABSTRACT:
A developing system for an electrophotographic copier in which a roller having a conductive outer surface is disposed adjacent to the imaging surface to form a gap. The roller is driven at a peripheral linear velocity substantially greater than the velocity of movement of the imaging surface and is supplied with liquid developer at a location spaced from the gap to cause the roller to inject the developer into the gap. The roller is coupled to a source of potential through a gas discharge tube to maintain the potential of the electrode within predetermined limits.

REFERENCES:
patent: 3299787 (1967-01-01), Kolb et al.
patent: 3367791 (1968-02-01), Lein
patent: 3627557 (1971-12-01), Sato et al.
patent: 3870514 (1975-03-01), Sato et al.
patent: 3907423 (1975-09-01), Hayashi et al.
patent: 4017174 (1977-04-01), Cheeseman
patent: 4259005 (1981-03-01), Kuehnle

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