US PATENT SUBCLASS 198 / 773
.~.~ Including set of alternately-acting load-support members

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}
773.~.~ Including set of alternately-acting load-support members {2}
774.1  DF  .~.~.~> Longitudinally extending interdigitated sets (lifted by oscillating arms, etc.) {4}
777  DF  .~.~.~> Including transverse pivoted sets of alternately acting load-support members

DEFINITION

Classification: 198/773

(under subclass 750.1) Apparatus wherein the conveyor includes at least two groups of load-carrying bars, each group comprising plural bars connected and acting together, a bar of one group being adjacent to one or more bars of another group, at least one group being movable and another group being either movable or stationary, and the groups coacting in cyclic alternation to lift at least a portion of the load from either group and to advance said load by either of the groups in a wave-like manner.