| 400 / | HD | TYPEWRITING MACHINES |
| 283 | DF | CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11} |
| 284 | DF | .~ For stopping carriage in tabular position (e.g., column-set positions) {10} |
| 285 | DF | .~.~ In denominational positions {6} |
| 286.3 | ![]() | .~.~.~ With latch or lock means |