US PATENT SUBCLASS 198 / 820
.~.~.~ Having preformed trough shape

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

618  DF  CONVEYOR SECTION {26}
804  DF  .~ Endless conveyor {14}
818  DF  .~.~ Having upwardly facing trough configuration in transverse direction on conveying reach {3}
820.~.~.~ Having preformed trough shape {2}
821  DF  .~.~.~.~> Formed of or including a continuous member of sheet-like material (e.g., canvas, etc.)
822  DF  .~.~.~.~> Formed or including transverse plates tandemly disposed lengthwise of carrier belt

DEFINITION

Classification: 198/820

(under subclass 818) Apparatus in which the belt in intrinsically shaped in the form of a trough.

(1) Note. Included herein is a carrier belt formed of wires or rods.