Image forming apparatus with powder pump

Details Image forming apparatus with powder pump Image forming apparatus with powder pump

1997-02-19

1999-09-28

Pendegrass, Joan

Electrophotography

Cleaning of imaging surface

Having handling of removed material

399 99, 399258, G03G 2110, G03G 2100, G03G 1508

Patent

active

059602465

ABSTRACT:
In an image forming apparatus, a cleaning device removes toner remaining after image formation. A toner storing section stores the toner collected by the cleaning device. A toner transferring device transfers the toner from the cleaning device and implemented by a powder pump. The powder pump includes a screw pump rotatable to move the toner in its axial direction, and an air feeding arrangement for causing the toner being moved by the screw pump to flow in a dispersed state. The toner transferring device and toner storing section are communicated by a path constituted by a flexible material.

REFERENCES:
patent: 5250997 (1993-10-01), Kaneko et al.
patent: 5329340 (1994-07-01), Fukuchi et al.
patent: 5561506 (1996-10-01), Kasahara
patent: 5608499 (1997-03-01), Tanaka
patent: 5815784 (1998-09-01), Kasahara et al.

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