| 74 / | HD | MACHINE ELEMENT OR MECHANISM |
| 469 | DF | CONTROL LEVER AND LINKAGE SYSTEMS {8} |
| 471 R | DF | .~ Multiple controlled elements {3} |
| 473.1 | DF | .~.~ Transmission control {11} |
| 473.36 | ![]() | .~.~.~ Particular element (e.g., shift fork, template, etc.) {1} |
| 473.37 | DF | .~.~.~.~> Shift fork structure |