Photocopying – Contact printing – Light boxes
Patent
1988-08-11
1989-10-31
Grimley, Arthur T.
Photocopying
Contact printing
Light boxes
118657, G03G 1509
Patent
active
048780898
ABSTRACT:
In a magnetic brush developer station for an electrostatographic reproduction apparatus, the developer station including a housing adapted to contain developer material, a mixer for such developer material, a magnetic brush for applying developer material to a charge pattern bearing member, and a mechanism for transporting developer material from the mixer to the magnetic brush. The transporting mechanism comprises a roller having members, located about the periphery of thereof, for picking up a quantity of developer material. The roller is mounted within a portion of the interior wall of the housing so as to be rotatable about its longitudinal axis. The wall portion of the housing is a segment of a cylinder whose axis is offset in relation to the longitudinal axis of the roller, so that, in the direction of rotation of the roller, the respective pickup members are closest to the wall at the entrance thereto and farthest from the wall at the exit thereto.
REFERENCES:
patent: 3641977 (1972-02-01), Hudson
patent: 4292924 (1981-10-01), Lindblad et al.
patent: 4447518 (1984-05-01), Tabuchi
patent: 4449810 (1984-05-01), Ikesue et al.
patent: 4508052 (1985-04-01), Kohyama
patent: 4633807 (1987-01-01), Jacobs
Guslits Vladimir S.
Weitzel Richard A.
Eastman Kodak Company
Grimley Arthur T.
Kessler Lawrence P.
Pendegrass J.
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