US PATENT SUBCLASS 246 / 334
.~.~.~ Rack and pinion

Current as of: June, 1999
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246 /   HD   RAILWAY SWITCHES AND SIGNALS

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
314  DF  .~ Switches, automatic {6}
322  DF  .~.~ Track mechanism {13}
334.~.~.~ Rack and pinion

DEFINITION

Classification: 246/334

(under subclass 322) Subject matter including switches which are actuated by star and pinion wheels or their equivalents, the train-trip being either a toothed rack, a brush, a friction-bar, or some equivalent device.