Photocopying – Contact printing – Light boxes
Patent
1992-09-08
1994-08-02
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
209222, G03G 1508, G03G 2100
Patent
active
053350510
ABSTRACT:
A foreign material removing device for removing foreign materials from a developer for use in electrophotography and a development apparatus including such a foreign material removing device removes foreign materials from the developer employed in the development apparatus by conveying developer to and from a separator, the separator having a rotating disk of magnets for conveying and separating by conveying the developer and allowing the foreign material to fall into a container.
REFERENCES:
patent: 4267245 (1981-05-01), Wada
patent: 4376578 (1983-03-01), Tanaka et al.
patent: 4389968 (1983-06-01), Satomura
patent: 4500194 (1985-02-01), Knott
Research Disclosure, Dec. 1977, Probst, S., "Apparatus for transporting powdered materials", No. 16448, pp. 57-58.
Pendegrass Joan H.
Ricoh & Company, Ltd.
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