US PATENT SUBCLASS 400 / 354
.~.~ Guideway or bearings for carriage


Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

283  DF  CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11}
352  DF  .~ Carriage, per se, or guideway therefor {2}
354.~.~ Guideway or bearings for carriage {1}
354.1  DF  .~.~.~> Guideway cooperating with ball bearings or roller bearings {2}


DEFINITION

Classification: 400/354

Guideway or bearings for carriage:

(under subclass 352) Subject matter wherein significance is attributed to the rail or track or component(s) associated with the carriage*, which component(s) enables the carriage to move relative to the typewriter during carriage feed, or carriage return, or carriage backspace motion of the carriage, or wherein significance is attributed to the journals, gudgeons, or assemblages that reduce the effects of friction between moving parts.