Filter assembly for collecting used toner of electrophotographic

Details Filter assembly for collecting used toner of electrophotographic Filter assembly for collecting used toner of electrophotographic

1979-12-17

1981-10-20

Cintins, Ivars C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

55385E, 55481, 15 15R, G03G 1500

Patent

active

042957346

ABSTRACT:
A filter assembly for use in an electrophotographic copying machine to collect used toner which is swept off a member carrying an electrostatic latent image, by means of a rotating brush comprises a filter unit having a toner receiver and a filter holder which are integrally formed together. The filter holder carries a filter element or elements therein, and the toner receiver allows the toner which falls down in front of the filter element to form a pile thereon. The unit is detachably mounted on the copying machine. A labyrinth seal is formed between the unit and the machine when the unit is mounted in place.

REFERENCES:
patent: 3410060 (1968-11-01), Reilly et al.
patent: 3685485 (1972-08-01), Kutsuwada et al.
patent: 3909864 (1975-10-01), Tanaka et al.
patent: 3932910 (1976-01-01), Shimoda
patent: 4093369 (1978-06-01), Hewitt

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