US PATENT SUBCLASS 198 / 521
.~ By vibratory trough entrance means

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}
521.~ By vibratory trough entrance means

DEFINITION

Classification: 198/521

(under subclass 506) Apparatus wherein the conveying section is a generally channel-shaped element which is adapted to be rapidly reciprocated to and fro, and which has a material inlet designed to facilitate removal of the load from the ground.