Non-rotating retracted cleaning brush

Details Non-rotating retracted cleaning brush Non-rotating retracted cleaning brush

1995-06-07

1997-08-05

Brase, Sandra L.

Electrophotography

Cleaning of imaging surface

Retractable cleaning arrangement

G03G 2100

Patent

active

056552033

ABSTRACT:
An apparatus and method for stopping rotation and retracting a cleaning brush away from contact regions to avoid the occurrence of flat spots or voids in the cleaning brush and prevent toner emissions from the cleaning brush as it is retracted. The cleaning brush is rotated about a pivot point to move the cleaning brush away from contact with the photoreceptor and the detoning roll. The pivot point is positioned so that the variation in interference to the detoning roll is minimized for variations in the interference and location of the brush against the photoreceptor. Each cleaning brush has a housing that moves in conjunction with the movement of the cleaning brush in order to avoid contact between the housing and the cleaning brush. This cleaning apparatus also enables development of multi-layer color images.

REFERENCES:
patent: 4664505 (1987-05-01), Itaya et al.
patent: 5083169 (1992-01-01), Usui et al.
patent: 5177553 (1993-01-01), Ohike et al.
patent: 5260754 (1993-11-01), Yano et al.
patent: 5442422 (1995-08-01), Owens, Jr. et al.
patent: 5450186 (1995-09-01), Lundy
patent: 5493383 (1996-02-01), Pozniakas et al.

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