Voltage-controlled developing device

Details Voltage-controlled developing device Voltage-controlled developing device

1983-12-21

1985-12-31

Moses, R. L.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118653, 355 3DD, G03G 1506

Patent

active

045613818

ABSTRACT:
A device for developing an electrostatic latent image formed on an imaging surface by applying a thin film of uniformly charged magnetic toner includes a sleeve which is driven to rotate at constant speed in an intended direction, a hopper for supplying toner to said sleeve, a pressure blade pressed against the sleeve to form the thin film of charged toner on the sleeve and a discharging scraper provided with a plurality of holes and disposed in contact with the sleeve at a location downstream of the developing region, whereby remaining toner on the sleeve is scraped off the sleeve and returned to the sleeve after passing through the holes, to thereby have the charge remaining on the sleeve removed by the discharging scraper.

REFERENCES:
patent: 4377332 (1983-03-01), Tamura
patent: 4406535 (1983-09-01), Sakamoto et al.
patent: 4406536 (1983-09-01), Suzuki et al.
patent: 4422749 (1983-12-01), Hoshino et al.
patent: 4423950 (1984-01-01), Sagami
patent: 4445771 (1984-05-01), Sakamoto et al.

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