US PATENT SUBCLASS 400 / 336
.~.~ Spring-biasing carriage for feed


Current as of: June, 1999
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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}
336.~.~ Spring-biasing carriage for feed {1}
336.1  DF  .~.~.~> Torsion spring in rotatable barrel


DEFINITION

Classification: 400/336

Spring-biasing carriage for feed:

(under subclass 319) Subject matter wherein significance is attributed to a yieldable element that urges the carriage* of a typewriter to be moved in a carriage-feed (i.e., character-space*) direction, the movement being regulated by a mechanism previously provided for in this schedule.