Developing device preventing scattering of developing agent by c

Details Developing device preventing scattering of developing agent by c Developing device preventing scattering of developing agent by c

1994-12-13

1996-12-03

Royer, William J.

Photocopying

Contact printing

Light boxes

118657, 355215, G03G 1509

Patent

active

055813364

ABSTRACT:
A developing device is provided with a developing container for accommodating developing agent including toner, a rotating developing agent carrier is arranged to face an image carrier carrying an electrostatic image for carrying the developing agent, and a conductive member is arranged along a longitudinal direction of the developing agent carrier with a spacing from the developing agent carrier. The conductive member is provided over longer than the longitudinal area of the developing agent carrier, and a voltage application circuit is employed for applying a voltage of the same polarity to a charging polarity of the toner to the conductive member.

REFERENCES:
patent: 3991713 (1976-11-01), Whited
patent: 4338880 (1982-07-01), Tabuchi et al.
patent: 4615608 (1986-10-01), Mizutani
patent: 4697914 (1987-10-01), Hauser
patent: 4800412 (1989-01-01), Ueda
patent: 4804995 (1989-02-01), Osawa et al.
patent: 4954404 (1990-09-01), Inoue et al.

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