| 400 / | HD | TYPEWRITING MACHINES |
| 578 | DF | SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13} |
| 630 | DF | .~ Including aligning of sheet edge prior to typing {3} |
| 632 | ![]() | .~.~ Including leading-edge aligner located past print-point {1} |
| 632.1 | DF | .~.~.~> Adjustable leading-edge aligner |