US PATENT SUBCLASS 406 / 129
.~.~.~.~ Rotatable hollow cylinder type

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

108  DF  INTAKE TO FLUID CURRENT CONVEYOR {7}
122  DF  .~ Load receptacle type {9}
127  DF  .~.~ With valve between receptacle and fluid conveyor {1}
128  DF  .~.~.~ Reciprocating, rotating, or swinging {3}
129.~.~.~.~ Rotatable hollow cylinder type

DEFINITION

Classification: 406/129

Rotatable hollow cylinder type:

(under subclass 128) Subject matter wherein the movable flow controlling member is a hollow cylinder having an opening in its side and which is rotated about its central axis to control the flow of the load from the receptacle* to the interior of the cylinder.