US PATENT SUBCLASS 406 / 58
.~.~.~.~.~ Screw axis coaxial with axis of rotary 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  DF  .~.~.~.~ Feeds to inlet of blower or pump {2}
58.~.~.~.~.~ Screw axis coaxial with axis of rotary blower or pump

DEFINITION

Classification: 406/58

Screw axis coaxial with axis of rotary blower or pump:

(under subclass 57) Subject matter wherein the fluid propelling device includes a fluid propelling surface, each point of which moves in a circular path about a central axis, which axis lies on a common line with the rotary axis of the screw conveyor.