| 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} |
| 330 |  | .~.~.~ Via ratchet wheel connected to pinion and carriage-rack {5} |
| 330.1 | DF | .~.~.~.~> And plural pawls {4} |
| 331 | DF | .~.~.~.~> Including plural ratchet wheels |
| 331.1 | DF | .~.~.~.~> Including particular structure of ratchet wheel |
| 331.2 | DF | .~.~.~.~> Including cushioned escapement support (e.g., rocker, pawl buffer, etc.) |
| 331.3 | DF | .~.~.~.~> Including particular structure of mount for ratchet wheel (e.g., bearing, clutch, etc.) |