US PATENT SUBCLASS 198 / 550.6
.~.~.~ Of the screw type

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}
550.5  DF  .~.~ Power-driven discharge means feeds to a subsequent power-driven section {4}
550.6.~.~.~ Of the screw type

DEFINITION

Classification: 198/550.6

Of the screw type:

(under subclass 550.5) Apparatus wherein the power-driven section, which immediately receives the discharge provided by the power-driven receptacle discharge means consists of a rotating section having a load engaging portion which is in the form of a helical surface.