| 198 / | HD | CONVEYORS: POWER-DRIVEN |
| 618 | DF | CONVEYOR SECTION {26} |
| 688.1 | DF | .~ Having means to enhance the friction or adherence between the conveyor and load at random locations on conveyor {8} |
| 699.1 | ![]() | .~.~ By a plurality of laterally spaced, projecting members on the conveyor |