US PATENT SUBCLASS 400 / 293
.~.~ By multiple-pitch tab-racks or multilated gear


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

283  DF  CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11}
284  DF  .~ For stopping carriage in tabular position (e.g., column-set positions) {10}
293.~.~ By multiple-pitch tab-racks or multilated gear


DEFINITION

Classification: 400/293

By multiple pitch tab-racks or mutilated gear:

(under subclass 284) Subject matter wherein the carriage* is moved and then stopped in tabular position, the movement and stopping being regulated or governed by either (a) a tab-rack* component in which one plurality of tab-stop elements are spaced to one pitch* distance and another plurality of tab stops are spaced to another pitch distance, or a plurality of tab-racks, each tab-rack having tab-stop elements spaced to a different pitch from one from another, or (b) a toothed driving member having gaps in the teeth of the member.