Feeding device for supplying developer powder to a magnetic drum

Details Feeding device for supplying developer powder to a magnetic drum Feeding device for supplying developer powder to a magnetic drum

1977-09-12

1979-03-20

Schroeder, Werner H.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

G03G 1509

Patent

active

041448391

ABSTRACT:
A developing apparatus for developing a latent image, particularly an electrostatically generated latent image on a drum type carrier in a copying machine, wherein a magnet drum carrying a developer powder brush rotates relative to the carrier in close proximity thereof, the feed means for supplying developer powder to the magnet drum including a hollow cone-type pump for throwing developer powder onto an inclined baffle sheet extending toward a bottom portion of the periphery of the magnet drum.

REFERENCES:
patent: 3640248 (1972-02-01), Nielander
patent: 3828728 (1974-08-01), Yang
patent: 3881446 (1975-05-01), Kurita
IBM Technical Disclosure Bulletin, Buckley et al., "Magnetic Brush Developer," vol. 20, No. 1 (Jun. 1977) p. 261.

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