US PATENT SUBCLASS 366 / 157.4
.~.~.~.~.~ Vertical axis

Current as of: June, 1999
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366 /   HD   AGITATING

150.1  DF  HAVING SPECIFIED FEED MEANS {16}
154.1  DF  .~ Agitation of material in feeder or supply reservoir {3}
155.1  DF  .~.~ Rotatable impeller {2}
156.1  DF  .~.~.~ Screw conveyor {6}
157.1  DF  .~.~.~.~ Coaxial or unitary with stirrer {2}
157.4.~.~.~.~.~ Vertical axis

DEFINITION

Classification: 366/157.4

Vertical axis:

(under subclass 157.1) Subject matter wherein the axes of the screw conveyor and stirrer are vertical during operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157.3, for a mixer including a vertical screw-type stirrer and screw conveyor.