US PATENT SUBCLASS 198 / 755
.~.~.~ With retrograde-movement preventer

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

618  DF  CONVEYOR SECTION {26}
750.1  DF  .~ Reciprocating conveying surface {7}
752.1  DF  .~.~ Vibratory conveying member {7}
755.~.~.~ With retrograde-movement preventer

DEFINITION

Classification: 198/755

(under subclass 752.1) Apparatus provided with means in addition to the conveyor member, which means prevents backward movement of the load during the backing movement of the conveyor member.