US PATENT SUBCLASS 141 / 259
.~.~.~ Rotatable reciprocating discharge assistant

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

250  DF  WITH MEANS TO MOVE SUPPLY MEANS AND/OR RECEIVER TO, FROM OR DURING FLOW RELATION {14}
251  DF  .~ Relatively receding discharge assistant and receiver engaging means {6}
258  DF  .~.~ Axially reciprocating discharge assistant {4}
259.~.~.~ Rotatable reciprocating discharge assistant

DEFINITION

Classification: 141/259

(under subclass 258) Apparatus in which the reciprocating discharge assistant partakes of motion about its longitudinal axis as well.