Toner filter arrangement

Details Toner filter arrangement Toner filter arrangement

1976-04-05

1977-10-18

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

209300, 355 3DD, G03G 2100

Patent

active

040543811

ABSTRACT:
A toner filter arrangement adapted for use in a cleaning station of a xerographic reproduction machine whereby foreign matter and other contaminants are removed from residual toner prior to its collection in a disposable or re-use container or return to the developer station. The filter arrangement comprises a housing having an input opening through which removed toner enters and an output opening through which filtered toner exits by gravity fed. The housing includes a spiral brush mounted for rotation on a shaft centrally located within the housing and a stationary open mesh screen coaxially located with respect to the shaft. Rotation of the brush operates to sift toner through the screen to the outlet of the filter housing.

REFERENCES:
patent: 3655375 (1972-04-01), Madrid
patent: 3963608 (1976-06-01), Zimmermann et al.

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