Developing apparatus

Details Developing apparatus Developing apparatus

1988-11-22

1989-10-03

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355245, 355251, 355260, 355262, 355265, G03G 1508

Patent

active

048720364

ABSTRACT:
A developing apparatus for developing an electrostatic latent image on a photosensitive drum comprises upper and lower magnet rollers for supplying a toner to the latent image on the drum. Disposed in a void portion surrounded by the photosensitive drum and the upper and lower magnet rollers is a screening member for isolating the drum from those portions of the magnet rollers which face the void portion.

REFERENCES:
patent: 4580888 (1986-04-01), Thompson et al.
patent: 4598991 (1986-07-01), Hosoya et al.
patent: 4724457 (1988-02-01), Abreu et al.
patent: 4804995 (1989-02-01), Osawa et al.

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