Developing device to which drive transmission from a cartridge i

Electrophotography – Image formation – Development

Patent

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399263, G03G 1506

Patent

active

055723012

ABSTRACT:
A developing device is provided with a supporting device for removably and rotatably supporting a toner cartridge containing a toner therein and having a toner supplying opening portion and toner discharge device for discharging the toner in the toner cartridge through the opening portion, driving device for driving the toner discharge device, and cut-off device for cutting off the drive transmission of the driving device during the rotation of the toner cartridge.

REFERENCES:
patent: 4754301 (1988-06-01), Kasamura et al.
patent: 5053816 (1991-10-01), Takahashi
patent: 5168319 (1992-12-01), Kimura et al.
patent: 5294968 (1994-03-01), Ueda et al.
patent: 5489976 (1996-02-01), Ichikawa

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