Photocopying – Contact printing – Light boxes
Patent
1993-10-20
1994-09-06
Grimley, A. T.
Photocopying
Contact printing
Light boxes
222DIG1, 355245, G03G 1506
Patent
active
053452984
ABSTRACT:
A developer dispensing assembly for dispensing developer to an electrostatographic development apparatus has a developer dispensing tube, a toner supply at a first end of the tube, a developer supply adjacent the toner supply, an auger to transport toner and developer from the first end of the tube to the opposite end of the tube, the developer dispensing tube having an array of developer dispensing apertures arranged in a geometric pattern having a spatial relationship with respect to each other to dispense toner enriched developer through the apertures to the development apparatus at a substantially uniform dispensing profile as said developer and toner are transported from the first end of the tube to the opposite end of the tube for varied feed rates of developer and toner to the dispensing tube.
REFERENCES:
patent: 2874063 (1959-02-01), Greig
patent: 4173405 (1979-11-01), Swapceinski et al.
patent: 4688926 (1987-08-01), Manno
patent: 4690540 (1987-09-01), Manno
patent: 4963940 (1990-10-01), Nemoto et al.
patent: 4969011 (1990-11-01), Faull et al.
patent: 5053825 (1991-10-01), Trainor et al.
Brase Sandra L.
Grimley A. T.
Xerox Corporation
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