Toner removing apparatus

Details Toner removing apparatus Toner removing apparatus

1977-03-25

1979-02-20

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

1525652, 118652, G03G 2100, B21B 4502, A46B 1500, B60S 128

Patent

active

041403894

ABSTRACT:
An electrostatic copier of the type wherein an electrostatic image pattern is formed on the photoconductive surface of a travelling endless carrier, to which pattern toner particles are attracted to form a visible image which is then transferred to an image carrier, has a toner removing apparatus for removing residual toner particles from the photoconductive surface. The apparatus has a roller adjacent the surface and a doctor blade above the roller which strips toner particles from the surface so that they fall onto the roller. During rotation of the roller these particles are stripped off the roller and enter through a slot into a tube in which a polygonal cross-section member rotates which entrains the particles and conveys them to another slot of the tube to eject them from this other slot into a storage chamber.

REFERENCES:
patent: 3655373 (1972-04-01), Fisher et al.
patent: 3838472 (1974-10-01), Oriel
patent: 3884572 (1975-05-01), Bacon et al.
patent: 3927937 (1975-12-01), DE Keyzer
patent: 3950092 (1976-04-01), Zoltner

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