US PATENT SUBCLASS 406 / 64
.~.~.~.~ With venting of pockets

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

51  DF  WITH DIVERSE POWER-DRIVEN CONVEYOR {4}
52  DF  .~ Rotary {5}
62  DF  .~.~ Successively registering pockets {1}
63  DF  .~.~.~ Input to fluid conveyor {3}
64.~.~.~.~ With venting of pockets

DEFINITION

Classification: 406/64

With venting of pockets:

(under subclass 63) Subject matter wherein a pressure or vacuum condition in the chamber or cavities is neutralized prior to or after the point when each chamber or cavity communicates with a load supply.