222 / | HD | DISPENSING |
251 | DF | WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30} |
344 | DF | .~ Movable or conveyer-type trap chamber {9} |
345 | DF | .~.~ With striking or clearing means {4} |
347 | .~.~.~ Plural and/or interconnected with gate at point of trap reentry to supply |