Developer roller

Details Developer roller Developer roller

1983-11-07

1985-12-17

Braun, Fred L.

Photocopying

Including fiber optics

118658, G03G 1508, G03G 1509

Patent

active

045589437

ABSTRACT:
An apparatus in which a latent image recorded on an image receiving member is developed. A developer roller transports the marking particles into the development zone. The developer roller has the exterior surface thereof roughened forming a multiplicity of peaks extending outwardly therefrom with a coating of polymeric material filling the space between adjacent peaks. A blade is positioned to have the free end thereof contacting the peaks on the developer roller. The blade has a plurality of apertures therein through which the marking particles pass. In this way, the thickness of the layer of marking particles on the developer roller is controlled.

REFERENCES:
patent: 3863603 (1975-02-01), Buckley et al.
patent: 3945342 (1976-03-01), Drummond
patent: 4194830 (1980-03-01), Ohnuma et al.
patent: 4425382 (1984-01-01), Tajima

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