| 400 / | HD | TYPEWRITING MACHINES |
|
| 139 | DF | INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11} |
| 160 | DF | .~ Imprint by pivoting of type-head-carrier and type-head against record-medium {7} |
| 162 |  | .~.~ Type-head movable for selection of type-face {14} |
| 162.1 | DF | .~.~.~> Via pulley and cord arrangement |
| 162.2 | DF | .~.~.~> Via shortest peripheral path |
| 162.3 | DF | .~.~.~> Via coded disc in electric or magnetic circuit (e.g., photoelectric) |
| 163 | DF | .~.~.~> Via stepping motor responsive to selection |
| 163.1 | DF | .~.~.~> Via electrical or electromagnetic means {2} |
| 164 | DF | .~.~.~> Via helical arrangement of projections |
| 164.1 | DF | .~.~.~> Via pneumatic actuation |
| 164.2 | DF | .~.~.~> Via setting elements actuating selector-command member(s) |
| 164.3 | DF | .~.~.~> Control arm connected to selection gear and movable to engage key-lever actuated abutment |
| 164.4 | DF | .~.~.~> Via stop pins actuatable by key-board |
| 164.5 | DF | .~.~.~> Toothed member connected to selection gear and slidable by key-lever movement |
| 164.6 | DF | .~.~.~> Selection gear rotated by key-lever movement |
| 165 | DF | .~.~.~> Simultaneous rotation and translation of type-head by manually powered actuation (e.g., helical shift) |
| 165.1 | DF | .~.~.~> Via manually powered actuation other than by key-board (e.g, stylus selection) {1} |