Low friction, conductive spots blade

Details Low friction, conductive spots blade Low friction, conductive spots blade

1998-10-29

2000-02-01

Smith, Matthew S.

Electrophotography

Cleaning of imaging surface

Plural diverse

399350, G03G 2100

Patent

active

060213043

ABSTRACT:
A cleaning apparatus having a spots cleaning blade to remove residual agglomerations of particles from the imaging surface. The spots cleaning blade is made from a material that has a low coefficient of friction, low resilience and higher hardness than a standard spots blade. These properties enable the spots cleaning blade to provide a continuous slidable contact with the imaging surface to remove residual particles therefrom. Additionally, an electrically conductive surface can be added to the front or back surface of the blade to cause toner particles to be repelled from and cloud near the blade where they can be removed by a vacuum device or the like. The conductive surface may be direct negative, direct positive or A-C potential to provide the necessary repelling force.

REFERENCES:
patent: 4252433 (1981-02-01), Sullivan
patent: 5138395 (1992-08-01), Lindblad et al.
patent: 5659849 (1997-08-01), Lindblad et al.

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