| 198 / | HD | CONVEYORS: POWER-DRIVEN |
| 570 | DF | CONVEYING SYSTEM HAVING PLURAL POWER-DRIVEN CONVEYING SECTIONS {18} |
| 583 | ![]() | .~ With means connecting sections for quick assembly of disassembly {1} |
| 584 | DF | .~.~> By means allowing relative movement of joined sections |