Developer replenishment device for coyping machines

Details Developer replenishment device for coyping machines Developer replenishment device for coyping machines

G - Physics

03

G

32/12.16

G03G 15/08 (2006.01)

Patent

CA 1061999

ABSTRACT A device for replenishing the developer material in a copying machine comprises a supply reservoir with a roller, preferably having a flocculent surface, acting as a bottom closure therefor, the roller being driven from a shaft associated with developer conveyor means of the developing unit. Each movement step of the roller is a consequence of a revolution of the shaft. A ratchet and pawl mechanism, preferably controlled by a solenoid, links the shaft and roller. The device may also include adjustable timing means which ensures that a preset developer replenishment is always effected even if the copying machine stops. -1-

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