Developer mixing and transporting auger for magnetic brush devel

Details Developer mixing and transporting auger for magnetic brush devel Developer mixing and transporting auger for magnetic brush devel

1974-02-04

1977-07-05

Aegerter, Richard E.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118612, 259110, B01F 702, G03G 1300

Patent

active

040332942

ABSTRACT:
A magnetic brush developing apparatus having magnetic rollers with end sleeves formed of an insulating material. A trimming bar is provided having a concave portion below a leading edge thereof to facilitate the return to the sump zone of excess developing material. Magnets disposed within the rollers are mounted on channel members in a manner to direct the magnetic forces about each brush to ensure blanket coverage and a downstream configuration to direct developing material over a baffle associated with a cross-mixing baffle assembly. A screen is provided within the housing of the assembly to collect foreign objects. A mixing and transport device is positioned within the sump zone and is comprised of a plurality of spaced-apart augurs disposed on a shaft and a plurality of radially-extending bars affixed to the ends of the augurs.

REFERENCES:
patent: 140317 (1873-06-01), Sweet
patent: 1227702 (1917-05-01), Tyson
patent: 3143768 (1964-08-01), Scherping

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