| 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} |
| 474.1 | DF | .~.~ With means to move load engaging elements relative to carrier {2} |
| 476.1 | DF | .~.~.~ Element is shifted to discharge or receive a load {1} |
| 477.1 | | .~.~.~.~ Element is only shifted with the load during discharge |