Shield for charging device in xerographic printing device...

Details Shield for charging device in xerographic printing device... Shield for charging device in xerographic printing device...

2007-07-31

2007-07-31

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Charging

C399S170000

Reexamination Certificate

active

11191981

ABSTRACT:
A xerographic printing device, including a charging device having a shield. In some embodiments of the shield of the charging device in the xerographic printing device, a plurality of holes are provided in an evenly spaced linear fashion extending nearly a full length of the charging device shield on a downstream process side of the charging device shield. The charge device can be a corotron, a dicorotron, a scorotron, a discorotron, a pin corotron, a pin scorotron, or any other known or later developed charging device of that type.

REFERENCES:
patent: 3564239 (1971-02-01), Kushima
patent: 5291247 (1994-03-01), DeCecca
patent: 5742874 (1998-04-01), Koshimura et al.
patent: 6070026 (2000-05-01), Claflin et al.
patent: 6411788 (2002-06-01), Ogasawara

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