Developing material supplying device

Details Developing material supplying device Developing material supplying device

1979-09-19

1981-07-07

Skaggs, H. Grant

Dispensing

With discharge assistant

Movable or conveyer-type trap chamber

222DIG1, 222368, G01F 1110

Patent

active

042770033

ABSTRACT:
An improved developing material supplying device for use in a developing apparatus of an electrophotographic copying machine which includes a developing material supplying roller having at least one developing material measuring recess formed by cutting the peripheral surface of the supplying roller into flat shape and rotatably provided at a developing material supplying opening of a developing material storage tank, a driving mechanism for the supplying roller, a developing material measuring regulating member provided where the recess of the supplying roller at the supplying opening is rotated from inside to outside of the storage tank, and a shield member capable of covering the entire surface of the recess and provided where the recess at the supplying opening moves from outside to inside of the storage tank.

REFERENCES:
patent: 1765622 (1930-06-01), Schoen
patent: 1768826 (1930-07-01), Campbell
patent: 2317274 (1943-04-01), Johnson
patent: 2906437 (1959-09-01), Wallis
patent: 3231105 (1966-01-01), Easley
patent: 3840156 (1974-10-01), Fujimoto

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