Apparatus and method for filling a toner reservoir by suction

Details Apparatus and method for filling a toner reservoir by suction Apparatus and method for filling a toner reservoir by suction

1987-02-24

1989-05-23

Grimley, Arthur T.

Photocopying

Including fiber optics

222DIG1, 355245, G03G 1500, G03G 1508

Patent

active

048335010

ABSTRACT:
An apparatus is provided for filling toner from a transport container into a toner reservoir from where the toner is then supplied to a developing station of an electro-photographic printer or copying device contains a toner reservoir which is divided into a settling space and into a suction space. The settling space and the suction space are separated via a filter. For transferring the toner from a transport container into the toner reservoir, the transport container is connected to the settling space via a flexible line. An evacuation pump connected to the suction space generates an underpressure, whereby the toner settles on the filter means of the settling space. A metering device situated at the floor of the settling space conveys the toner to the developing station.

REFERENCES:
patent: 2812217 (1957-11-01), Koch et al.
patent: 3951539 (1976-04-01), Draugelis
patent: 3958878 (1976-05-01), Smith et al.
patent: 4029047 (1977-06-01), Bell
patent: 4274455 (1981-06-01), Simons
patent: 4561759 (1985-12-01), Knott
Japanese Patent Abstracts, vol. 3, No. 94 (E-129), published Aug. 10, 1979, Application No. 52-139408.
IBM Technical Disclosure Bulletin, vol. 22, No. 5, published Oct., 1979, "Replacing a Toner Return Auger System by an Ejector".
Xerox Disclosure Journal, "Pneumatic Toner Conveying System", vol. 1, No. 8, Aug. 1976, by Daniel J. Harmon.

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