| 222 / | HD | DISPENSING |
| 251 | DF | WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30} |
| 282 | DF | .~ With discharge volume varying means {12} |
| 305 | DF | .~.~ Movable or conveyer-type trap chamber with capacity varying means {2} |
| 307 | DF | .~.~.~ Wall with straight line movements {1} |
| 308 | | .~.~.~.~ Screw adjusting means |