| 198 / | HD | CONVEYORS: POWER-DRIVEN |
| 463.1 | DF | CONVEYOR SYSTEM FOR MOVING A SPECIFIC LOAD AS A SEPARATE UNIT {9} |
| 469.1 | DF | .~ System includes a rotating or endless carrier with a load engaging element {9} |
| 478.1 | DF | .~.~ Carrier rotates about a fixed axis {2} |
| 481.1 | ![]() | .~.~.~ With load retaining guard means |