US PATENT SUBCLASS 406 / 57
.~.~.~.~ Feeds to inlet of blower or pump

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

51  DF  WITH DIVERSE POWER-DRIVEN CONVEYOR {4}
52  DF  .~ Rotary {5}
53  DF  .~.~ Screw {3}
56  DF  .~.~.~ Feeding to fluid conveyor inlet {3}
57.~.~.~.~ Feeds to inlet of blower or pump {2}
58  DF  .~.~.~.~.~> Screw axis coaxial with axis of rotary blower or pump
59  DF  .~.~.~.~.~> Plural screws

DEFINITION

Classification: 406/57

Feeds to inlet of blower or pump:

(under subclass 56) Subject matter wherein the screw conveyor discharges directly into a driven device which propels the conveying fluid through the fluid current conveyor*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

80, for an endless conveyor which feeds the load through the intake of a blower or pump.

96+, for a blower or pump, per se, having a load intake opening in its housing.