US PATENT SUBCLASS 414 / 614
.~.~.~.~.~ Trap chamber type


Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

592  DF  ELEVATOR OR HOIST AND LOADING OR UNLOADING MEANS THEREFOR {16}
609  DF  .~ With external cooperating movable feeding or discharging means {2}
610  DF  .~.~ Elevator carrier movement responsive {3}
612  DF  .~.~.~ Loading means {2}
613  DF  .~.~.~.~ Flow control mechanism (i.e., volume) {1}
614.~.~.~.~.~ Trap chamber type


DEFINITION

Classification: 414/614

Trap chamber type:

(under subclass 613) Flow control devices in the form of a trap chamber adapted to receive a predetermined volume of material and subsequently discharge it into a carrier.