Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1983-01-19
1984-11-06
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
355 15, G03G 1322
Patent
active
044812752
ABSTRACT:
A mass of residual charged toner is blocked by a blade member held in slidable engagement with a photosensitive member against movement therewith toward a development roller when an image is being formed on the photosensitive member. When no image is being formed thereon, the blade member is lifted off the photosensitive member to allow the mass of residual toner to move therewith toward the development roller. During this time, a bias potential having a polarity the same as that of the toner is applied to members of an electrostatic or electrographic copying machine located between the blade member and the development roller for repelling the mass of toner toward the photosensitive member against being scattered off the latter and hence smearing surrounding parts.
REFERENCES:
patent: 3651323 (1972-03-01), Tanaka et al.
patent: 4154522 (1979-05-01), Ikesue
patent: 4377629 (1983-03-01), Tarumi et al.
Iseki Masahide
Kajita Hiroshi
Kawamoto Masuo
Nakajima Tadanobu
Goodrow John L.
Kittle John E.
Mita Industrial Company Ltd.
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