| 400 / | HD | TYPEWRITING MACHINES |
| 283 | DF | CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11} |
| 319 | DF | .~ Carriage-feed mechanism (e.g., escapement, etc.) {14} |
| 333 | ![]() | .~.~ Universal-bar or actuator therefor {3} |
| 333.1 | DF | .~.~.~> Connected to actuator for another function |
| 333.2 | DF | .~.~.~> Adjustable |
| 333.3 | DF | .~.~.~> Actuated by type-bar or type-bar action |