Magnetic brush developing device

Details Magnetic brush developing device Magnetic brush developing device

1975-05-13

1976-10-12

Chi, James Kee

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

355 3DD, 427 18, B05B 502, G03G 1309, G03G 1509

Patent

active

039850994

ABSTRACT:
In a magnetic brush developing device, the improvements comprising a plurality of developing rollers consisting of cylindrical stationary magnets each having a developing magnetic pole and disposed in facing relation to the surface of latent image forming member, and cylindrical sleeves rotating around each of said stationary magnets, said plurality of developing rollers being arranged along the surface of said latent image forming member in a manner that the developing magnetic poles have alternately opposite polarities, whereby delivery and receipt of the developing agent between the adjacent developing rollers are effected between the developing magnetic poles of adjacent developing rollers.

REFERENCES:
patent: 3457900 (1969-07-01), Drexler
patent: 3543720 (1970-12-01), Drexler et al.
patent: 3641980 (1972-02-01), Bickmore
patent: 3654902 (1972-04-01), Hakanson
patent: 3724422 (1973-04-01), Latone et al.
patent: 3855969 (1974-12-01), Andrako
patent: 3908595 (1975-09-01), Okada
patent: 3937181 (1976-02-01), Handa
IBM Technical Disclosure Bulletin, Development of Electrostatic Images, by H. C. Medley, vol. 2, No. Aug. 1959.

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