Photocopying – Contact printing – Light boxes
Patent
1989-06-29
1991-02-26
Grimley, A. T.
Photocopying
Contact printing
Light boxes
118657, 355253, G03G 1506
Patent
active
049965654
ABSTRACT:
An apparatus which mixes developer material in the chamber of a developer housing. A pair of augers transport the developer material in a recirculating path from one region of the chamber to another region. A generally planar member is interposed between the augers to separate the augers from one another. The planar member has an aperture in at least one marginal region configured to allow developer material to gently move between the first auger and the second auger and being adapted to reduce back up of the developer material and flow unevenness.
REFERENCES:
patent: 3697050 (1972-10-01), Stanley
patent: 3943887 (1976-03-01), Smith
patent: 3947107 (1976-03-01), Smith
patent: 4162842 (1979-07-01), Wu
patent: 4498755 (1985-02-01), Ohkubo et al.
patent: 4577587 (1986-03-01), Kamezaki
patent: 4864349 (1989-09-01), Ito
Beatty Robert
Beck J. E.
Fleischer H.
Grimley A. T.
Xerox Corporation
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