US PATENT SUBCLASS 198 / 550.1
.~.~ Screw type power-driven discharge means

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

523  DF  CONVEYOR SYSTEM HAVING A GRAVITY CONVEYOR SECTION {11}
550.01  DF  .~ Bin having a power-driven conveyor section for discharging or feeding discharge to a gravity or power-driven section {8}
550.1.~.~ Screw type power-driven discharge means

DEFINITION

Classification: 198/550.1

Screw type power-driven discharge means:

(under subclass 550.01) Apparatus wherein the power-driven section for discharging the receptacle is a load engaging rotating section in the form of a helical surface.