Electrostatographic developing device with toner dosage reservoi

Details Electrostatographic developing device with toner dosage reservoi Electrostatographic developing device with toner dosage reservoi

1997-05-19

1998-12-22

Smith, Matthew S.

Electrophotography

Image formation

Development

399224, 399258, 22DIG1, G03G 1508

Patent

active

058527591

ABSTRACT:
An electrostatographic developing device (15) including a magnet roller (16), a chamber (41) for two-component developer, a holder (22) for toner and a toner dosage reservoir (45) with an opening closed by a magnetic plug (58) of developer, and a magnet (53) for controlling such magnetic plug.

REFERENCES:
patent: 3572551 (1971-03-01), Gillespie et al.
patent: 3572555 (1971-03-01), Knight et al.
patent: 4261290 (1981-04-01), Yamashita et al.
patent: 4377334 (1983-03-01), Nishikawa
patent: 4647180 (1987-03-01), Watanabe
patent: 4932355 (1990-06-01), Neufeld
patent: 4967691 (1990-11-01), Chikama et al.
patent: 5142333 (1992-08-01), Verbeek et al.
patent: 5768662 (1998-06-01), Sugihara

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