| 400 / | HD | TYPEWRITING MACHINES |
| 679 | DF | MEANS AUXILIARY TO TYPEWRITING FUNCTION {12} |
| 680 | ![]() | .~ Means for collapsing typewriter or support for record-medium or copy {5} |
| 681 | DF | .~.~> By tilting typewriter (e.g., via collapsible legs, etc.) |
| 682 | DF | .~.~> By moving key-board relative to frame (e.g., into plural operating positions, etc.) |
| 683 | DF | .~.~> By moving carriage relative to frame |
| 684 | DF | .~.~> By moving type-bars relative to frame |
| 685 | DF | .~.~> Including typewriter built into carrying case |