Developer units, electrophotographic apparatuses and methods...

Details Developer units, electrophotographic apparatuses and methods... Developer units, electrophotographic apparatuses and methods...

2011-02-01

2011-02-01

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S269000, C399S284000

Reexamination Certificate

active

07881639

ABSTRACT:
Developer units for supplying developer material to a photoconductive member is disclosed and may include a magnetic roll having an outer surface, a first auger adjacent the magnetic roll being rotatable to convey the developer material to the outer surface of the magnetic roll, a second auger disposed below the first auger, a first trim blade disposed at a first angular position about the outer surface of the magnetic roll for leveling the developer material on the outer surface during rotation of the magnetic roll, and a second trim blade disposed at a second angular position about the outer surface of the magnetic roll for leveling the developer material on the outer surface that has been leveled by the first trim blade during rotation of the magnetic roll, the magnetic roll being rotatable to supply the developer material leveled by the second trim blade to the photoconductive member.

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patent: 2006/0204283 (2006-09-01), Yasuda
patent: 2007/0019994 (2007-01-01), Choi
patent: 2007/0025773 (2007-02-01), Tateyama et al.
patent: 2007/0104518 (2007-05-01), Ohyama

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