US PATENT SUBCLASS 198 / 818
.~.~ Having upwardly facing trough configuration in transverse direction on conveying reach

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.~.~ Having upwardly facing trough configuration in transverse direction on conveying reach {3}
819  DF  .~.~.~> Edges movable together to enclose load
820  DF  .~.~.~> Having preformed trough shape {2}
823  DF  .~.~.~> Supported in trough form by separate, unattached means engaging carrier belt face {1}

DEFINITION

Classification: 198/818

(under subclass 804) Apparatus wherein the load-supporting reach of the belt has a concave cross-sectional shape so that the side portions of said carrier belt rise above its central section.

(1) Note. Included herein inter alia is a carrier belt which sags between supports connected to its edges, or is connected to and shaped by transverse frames spaced apart longitudinally thereof, or is flexed into a trough when a separate element mounted thereon engages a cam surface extending along its travel path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

806, for a trough-shaped carrier belt supported on a roller or roller assembly which automatically skews to correct training deviations of said belt.