US PATENT SUBCLASS 198 / 513
.~.~.~ Opposite hand screws

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

506  DF  CONVEYOR HAVING MEANS SPECIALIZED FOR COLLECTING A LOAD FROM A STATIC SUPPORT (E.G., THE GROUND, ETC.) {8}
510.1  DF  .~ Power-driven feed means {4}
512  DF  .~.~ Paired feeding means {2}
513.~.~.~ Opposite hand screws

DEFINITION

Classification: 198/513

(under subclass 512) Device wherein the set of transfer devices includes two rotating members, each of which has a helical wound load engaging flight extending around and along its axis of rotation, each flight being configured to move material in a direction opposite to the direction of material movement in the other flight so that the material is fed by both members towards a central delivery point at which a

conveying section is adapted to be located.