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} |
329 | DF | .~.~ Carriage escapement controlled by pawl {5} |
332 | DF | .~.~.~ Via toothed rack {3} |
332.1 | DF | .~.~.~.~ And plural pawls {3} |
332.4 | .~.~.~.~.~ Including particular structure of pawl (e.g., slidable, pivoted, unitary, etc.) |