| 74 / | HD | MACHINE ELEMENT OR MECHANISM |
| 469 | DF | CONTROL LEVER AND LINKAGE SYSTEMS {8} |
| * | DD | .~ Elements {8} |
| 543 | ![]() | .~.~ Handles {6} |
| 544 | DF | .~.~.~> Extension |
| 545 | DF | .~.~.~> Hand crank {2} |
| 548 | DF | .~.~.~> Shaft connections {1} |
| 551.1 | DF | .~.~.~> Handle bars {4} |
| 552 | DF | .~.~.~> Hand wheels {5} |
| 558.5 | DF | .~.~.~> Caps and covers |