Developing device

Details Developing device Developing device

1986-08-11

1987-09-08

Pianalto, Bernard D.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

G03G 1509

Patent

active

046916636

ABSTRACT:
A developing device is opposed to a photosensitive drum which is rotated in one direction, and develops a latent image formed on the photosensitive drum. The developing device is provided with a first developing roller which is rotatably arranged to oppose the photosensitive drum and holds a first developing agent, and a second developing roller which is rotatably arranged to oppose the photosensitive drum, located adjacent to the first developing roller along one direction and holds a second developing agent. The first developing roller is rotated in one direction, to supply the first developing agent onto the photosensitive drum, and the second developing roller is rotated in a direction opposite to the direction to supply the second developing agent onto the photosensitive drum.

REFERENCES:
patent: 3970042 (1986-10-01), Rees
patent: 4308821 (1982-01-01), Matsumoto et al.
patent: 4351604 (1982-09-01), Karasawa et al.
patent: 4392735 (1983-07-01), Oka
patent: 4545325 (1985-10-01), Komatsu et al.

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