US PATENT SUBCLASS 246 / 283
.~.~.~.~ Yielding rail

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

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
*  DD  .~ Switch stands, automatic {3}
278  DF  .~.~ Facing setting {3}
282  DF  .~.~.~ Trailing setting {1}
283.~.~.~.~ Yielding rail

DEFINITION

Classification: 246/283

(under subclass 282) Subject matter including switch-actuating mechanism enabling a switch to be set from a train approaching it facing, and also when approaching it trailing, by the lateral pressure, in the latter case, of the wheel-flanges of the train against a yielding switch-rail.