| 74 / | HD | MACHINE ELEMENT OR MECHANISM |
| 469 | DF | CONTROL LEVER AND LINKAGE SYSTEMS {8} |
| * | | .~ Elements {8} |
| 519 | DF | .~.~> Levers {5} |
| 527 | DF | .~.~> Detents {7} |
| 543 | DF | .~.~> Handles {6} |
| 559 | DF | .~.~> Rocker arms |
| 560 | DF | .~.~> Pedals {3} |
| 564 | DF | .~.~> Foot rests |
| 565 | DF | .~.~> Controller checks |
| 566 | DF | .~.~> Slot closers and lever guards |