Electrophotographic cleaning apparatus

Details Electrophotographic cleaning apparatus Electrophotographic cleaning apparatus

1979-09-04

1981-07-21

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DD, G03G 2100, G03G 1500

Patent

active

042794994

ABSTRACT:
A magnetic brush cleaning apparatus which includes a magnetic brush roll having a plurality of magnets mounted therein, a reservoir for carrier particles closely spaced from the magnetic brush roll, a pickoff for removing a part of the carrier particles constituting the magnetic brush during the rotation of the magnetic brush roll, and an exit at the lower end of the reservoir for directing the carrier particles onto the magnetic roll, so that the reservoir, the pickoff, the exit and the magnets cooperate to cause the circulation of carrier particles between the magnetic brush roll and the reservoir whereby a portion of the magnetic brush is continuously removed and reformed during the rotation of the magnetic brush roll. In another embodiment, the reservoir, the pickoff and the exit are used only during servicing of the cleaning device.

REFERENCES:
patent: 3926517 (1975-12-01), Nagahara
patent: 4043298 (1977-08-01), Swackhamer
patent: 4110034 (1978-08-01), Suzuki
patent: 4142165 (1979-02-01), Miyakawa et al.

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