Electrophotography – Cleaning of imaging surface – Fibrous brush
Reexamination Certificate
2007-05-22
2007-05-22
Gray, David M. (Department: 2852)
Electrophotography
Cleaning of imaging surface
Fibrous brush
C399S354000, C399S353000, C399S092000, C399S093000
Reexamination Certificate
active
11179412
ABSTRACT:
A charged particles cleaning apparatus for cleaning and removing charged particles from a surface includes (a) a housing; (b) a surface scrubbing member mounted within the housing for contacting the surface and frictionally removing charged particles therefrom; (c) an air blower for pulling an air stream out of the housing; (d) a manifold connecting the housing to the air blower for directing the air stream and charged particles therein out of the housing, the manifold including manifold walls having inside surfaces defining a duct passage for the air stream; and (e) at least one biasing source connected to the inside surfaces of the manifold walls for biasing the inside surfaces to prevent build up of charged particles on the inside surfaces, thereby reducing costs of periodic cleaning of the manifold walls.
REFERENCES:
patent: 5214479 (1993-05-01), Lindblad et al.
patent: 5724640 (1998-03-01), Thayer
patent: 5732320 (1998-03-01), Domagall et al.
patent: 6282401 (2001-08-01), Proulx et al.
patent: 58023075 (1983-02-01), None
patent: 60179773 (1985-09-01), None
Gray David M.
Nguti Tallam I.
Wong Joseph S.
Xerox Corporation
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