Dry toner removable developing cartridge

Details Dry toner removable developing cartridge Dry toner removable developing cartridge

1988-09-28

1990-04-24

Moses, R. L.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

222DIG1, 222368, 355245, G03G 1508

Patent

active

049190717

ABSTRACT:
Dry toner removable developing cartridge of the disposable type, for electrophotographic printers, comprising a photoconductive drum, a donor sleeve contacting the photoconductive drum and partially housed in a developing tank having a stirrer for the developing material contained therein, the donor sleeve conveying to the photoconductive drum a predetermined amount of developing material, and a cylindrical reservoir, in communication with the development tank through a peripheral arc and containing radial diaphragms supported by a rotatable control shaft, which diaphragms define in the cylindrical reservoir a plurality of compartments in form of cylindrical sectors, filled with developing material, the sectors being sequentially brought into communication with the developing tank by rotation of the shaft and sequentially feeding the developing tank with developing material dropped from the compartments.

REFERENCES:
patent: 3764208 (1973-10-01), Takahashi
patent: 4349132 (1982-09-01), Macaluso
patent: 4692018 (1987-09-01), Tamura

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