Cleaning device

Details Cleaning device Cleaning device

1977-11-02

1979-03-06

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Attachments

Moving surface scraper, wiper, or brush

15301, 118652, G03G 2100

Patent

active

041422694

ABSTRACT:
A device for cleaning electrostatic copier drums. A rotary bristle brush is positioned axis parallel to the drum and contacts the drum surface. The brush is received in a shroud which includes a toner collection sub-chamber having an orifice exit to a suction system to return toner from the sub-chamber to the toner reservoir. The orifice is localized, providing a high volume air flow at the orifice opening. Oscillatory means act within the sub-chamber to insure that all toner within the sub-chamber is presented to the orifice.

REFERENCES:
patent: 2752271 (1956-06-01), Walkup et al.
patent: 3062110 (1962-11-01), Shepardson et al.
patent: 3410060 (1968-11-01), Reilly et al.
patent: 3483679 (1969-12-01), Balbierer
patent: 3570244 (1971-03-01), Clemens
patent: 3634077 (1972-01-01), Sullivan
patent: 3685485 (1972-08-01), Kutsuwada et al.
patent: 3687730 (1972-08-01), Murphy et al.

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