US PATENT SUBCLASS 198 / 737
.~.~.~ Plural laterally spaced alternately acting

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

618  DF  CONVEYOR SECTION {26}
717  DF  .~ Pusher conveyor and separate load support surface {7}
736  DF  .~.~ Reciprocating pusher {4}
737.~.~.~ Plural laterally spaced alternately acting

DEFINITION

Classification: 198/737

(under subclass 736) Apparatus provided with at least two members arranged transversely of each other and extending along the path of travel of the load, each member moves alternately in a load-moving direction and in a nonload-moving direction, and wherein (1) the load-moving direction is the same for all members, and (2) the entire load-moving motion of two of the members does not extend during the same time interval.