Coating apparatus – With means to apply electrical and/or radiant energy to work... – With electromagnetic and/or electrostatic removal of...
Patent
1989-03-17
1990-10-02
Braun, Fred L.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
With electromagnetic and/or electrostatic removal of...
355251, 355253, G03G 1509
Patent
active
049600699
ABSTRACT:
A magnetic brush developing device for use in a copying machine or a printing device includes a developing roller forming a magnetic brush, a developer housing, a developer tank outside the developer housing, a scraper for removing developer from the developing roller after it passes through the developing area on the developing roller, a first carrying device in the developer housing arranged opposite to the developing roller along its entire length for carrying the developer from one end to the other end of the developing roller, for supplying developer to the developing roller during the carrying operation, and for discharging the excess developer into a developer tank, a second carrying device in the developer housing arranged parallel to the first carrying device and communicating at one end of the first carrying device for carrying the developer received from the developer tank in a direction opposite to the carrying direction of the first carrying device, for recovering the developer scraped from the developing roller by the scraper, and for supplying developer to the first developer, a third carrying device for supplying the developer accommodated in the developer tank to the second carrying device, and an adjustable height regulating plate provided in a side wall of the developer housing for regulating the height of developer in the developer housing.
REFERENCES:
patent: 3113042 (1963-12-01), Hall
patent: 3246629 (1966-04-01), Shelffo et al.
patent: 3469911 (1969-09-01), Olden
patent: 4102306 (1978-07-01), Ohta
patent: 4417802 (1983-11-01), Forbes, II
Beatty Robert
Braun Fred L.
Kentek Information Systems Inc.
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