Electrographic developing apparatus with toner flow director

Details Electrographic developing apparatus with toner flow director Electrographic developing apparatus with toner flow director

1982-03-10

1984-03-06

Prescott, A. C.

Photocopying

Including fiber optics

355 14D, 118653, 118658, G03G 1508, G03G 1509

Patent

active

044350651

ABSTRACT:
An electrographic developing apparatus having incorporated therein a toner supply device by which the toner concentration of the developer accommodated in a developer container can be maintained at a constant value substantially without requiring any toner concentration detector. The device has a toner tank having a bottom adapted to be contacted by the developer contained in a toner supply section of the container, and a developer moving device for forcibly moving a portion of the developer contained in a developing section of the container into the toner supply section when replenishing toner is dispensed from the tank.

REFERENCES:
patent: 3013703 (1961-12-01), Hunt
patent: 3623503 (1970-11-01), Suzuki et al.
patent: 4181422 (1980-01-01), Forgo et al.
patent: 4240375 (1980-12-01), Terashima
patent: 4321886 (1982-03-01), Azuma
patent: 4342283 (1982-08-01), Terashima

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