Photocopying – Including fiber optics
Patent
1987-07-24
1988-06-21
Prescott, A. C.
Photocopying
Including fiber optics
355 14D, 355 15, G03G 1508
Patent
active
047528052
ABSTRACT:
A device for recycling residual developer particles which are removed from a photoconductive element by a cleaning unit in an electrographic copier or printer is disclosed. The device comprises a first tube connected to the cleaning unit and a second tube which is connected to the first tube and leads to the developer unit. The second tube is disposed along the developer unit. The residual particles are transferred from the cleaning device through the first tube and into the second tube. The second tube is provided with holes spaced at predetermined distances from each other. The residual particles fall through these holes and co-mingle with developer material stored in the developer unit. In a preferred embodiment, the holes increase in size as one goes along the second tube. In another preferred embodiment, an auger is used to deliver the residual particles to the first tube. A second auger is disposed within the second tube to move the residual particles over the holes. An even distribution of residual particles within the developer unit is thereby attained.
REFERENCES:
patent: 4395114 (1983-07-01), Ura et al.
patent: 4428665 (1984-01-01), Hays
patent: 4436412 (1984-03-01), Yamagata et al.
patent: 4593997 (1986-06-01), Fox et al.
patent: 4601569 (1986-07-01), Garris
patent: 4696565 (1987-09-01), Imanaka
Fukae Kensuke
Yamashita Keitaro
Kentek Information Systems Inc.
Prescott A. C.
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