Vibrating screen filter for toner density measuring apparatus

Details Vibrating screen filter for toner density measuring apparatus Vibrating screen filter for toner density measuring apparatus

1977-06-02

1978-03-14

Rimrodt, Louis K.

Coating apparatus

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

With means to orient coating particles

G03G 1506

Patent

active

040785203

ABSTRACT:
If developer within a xerographic developing apparatus becomes excessively charged, excessive toner is added to the apparatus because the excessively charged developer prevents a sensor from sensing the actual toner density within the apparatus. This occurs because a screen above the sensor becomes clogged by developer and prevents developer from passing through the screen and consequently the sensor. To prevent this clogging an AC coil is connected to the screen to vibrate the latter, thus allowing developer to pass through the screen and sensor.

REFERENCES:
patent: 3528386 (1970-09-01), Morine
patent: 3621816 (1971-11-01), Donalies
patent: 3727065 (1973-04-01), Maksymiak
patent: 3941470 (1976-03-01), Shah

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