Electrophotography – Internal machine environment – Particle or contaminant control
Patent
1998-04-10
1999-11-09
Grimley, Arthur T.
Electrophotography
Internal machine environment
Particle or contaminant control
G03G 1508
Patent
active
059830530
ABSTRACT:
A noncontact seal for a donor roll in an electrophotographic printing machine. The seal is fixed in the developer housing and envelopes each end of the donor roll but does not contact the donor roll. The small space does not allow a positive airflow sufficient to cause toner particles to be emited from the developer housing so as to contaminate the other portions of the printing machine. The seal is made of a low friction material such as DELRIN.RTM. so that toner particles do not stick to the seal and cause a buildup that would be detrimental to the photoreceptive member.
REFERENCES:
patent: 5267007 (1993-11-01), Watanabe et al.
Behe Thomas J.
Keyes Thomas C.
Lindsey William B.
Lockwood Dan F.
Mordenga Samuel P.
Grimley Arthur T.
Kepner Kevin R.
Wendal, Jr. George Edward
Xerox Corporation
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