Magnetic brush developing device for use in electrophotographic

Details Magnetic brush developing device for use in electrophotographic Magnetic brush developing device for use in electrophotographic

1975-05-23

1977-05-31

Chi, James Kee

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118602, 118612, 118658, 355 3DD, 427 18, G03G 1508, G03G 1509

Patent

active

040262413

ABSTRACT:
A magnetic brush developing unit for an electrophotographic reproducing apparatus, the brush element being a nonmagnetic sleeve rotating around fixed magnets, together with a first agitator providing both lateral and progressive mixing of depleted developer (with addition of toner, if necessary) as it leaves the magnetic brush via a scraper blade, a second agitator for additional mixing of the freshened developer and for conveying same to a roll with axial channels on its surface. The channels supply the freshened developer to the sleeve to form a new brush for another pass at a photoconductor having the same or another latent image on it. All adjacent rotating members turn in particular directions to assist circulation of developer and to enhance efficiency of agitation.

REFERENCES:
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patent: 2910964 (1959-11-01), Stavrakis et al.
patent: 3145122 (1964-08-01), Streich, Sr.
patent: 3635553 (1972-01-01), Adamek et al.
patent: 3638614 (1972-02-01), Young et al.
patent: 3659556 (1972-05-01), Mutschler
patent: 3697050 (1972-10-01), Stanley
patent: 3754526 (1973-08-01), Caudill
patent: 3863603 (1975-02-01), Buckley et al.
patent: 3883240 (1975-05-01), Ito et al.
patent: 3926517 (1975-12-01), Nagahara
patent: 3943886 (1976-03-01), Vola et al.

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