Developer crossmixing apparatus

Details Developer crossmixing apparatus Developer crossmixing apparatus

1980-02-12

1982-11-30

Lawrence, Evan K.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118657, 118658, 355 3DD, G03G 1509

Patent

active

043611095

ABSTRACT:
A crossmixing device for ensuring adequate mixing of a developer in an electrostatic printing machine. A screw conveyor is utilized having a left-hand thread on one portion thereof and a right-hand thread on another portion thereof, to move developer material from the end of the screw conveyor toward the middle thereof. Material is discharged from the screw conveyor into the sump of the machine in a direction generally toward the opposite end of the screw conveyor from where it originated. Developer material is moved from the sump upwardly onto a plate assembly which includes angled separators for guiding the developer particles and shifting them in opposite lengthwise senses on opposite halves of the plate assembly. From the plate assembly, the developer material moves in a curtain downwardly into the sump.

REFERENCES:
patent: 3943887 (1976-03-01), Smith
patent: 4075977 (1978-02-01), Williams

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