Photocopying – Contact printing – Light boxes
Patent
1988-07-06
1989-11-28
Grimley, A. T.
Photocopying
Contact printing
Light boxes
366292, G03G 2100, G03G 1506
Patent
active
048841099
ABSTRACT:
A device for developing electrostatic images includes a toner supply chamber for holding a supply of dry toner and a feed member located generally at the bottom of the supply chamber. To break up agglomeration of toner in the supply chamber an agitator, for example an elongated polypropylene fiber brush, is placed on top of the feed member and is supported totally at its periphery by the feed member and associated walls of the supply chamber. As the feed member rotates, the agitator is rotated to maintain the toner in particulate form.
REFERENCES:
patent: 3622054 (1971-11-01), Davidson
patent: 4054381 (1977-10-01), Bernhard
patent: 4293085 (1981-10-01), Nakajima et al.
Hill Lawrence A.
Jacobs Michael F.
Kroll Arthur S.
Williams Ralph E.
Eastman Kodak Company
Grimley A. T.
Shapiro Barry J.
Treash Leonard W.
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