US PATENT SUBCLASS 246 / 278
.~.~ Facing setting

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.~.~ Facing setting {3}
279  DF  .~.~.~> Manual control
280  DF  .~.~.~> Resetting {1}
282  DF  .~.~.~> Trailing setting {1}

DEFINITION

Classification: 246/278

(under subclass 270) Subject matter having means for manually actuating switches combined with means for automatically actuating the same by the energy of a vehicle approaching the same, facing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

144, 284, 290, and 393+, for switch-stand structure.

317, for facing-setting mechanism.

393, and appropriate indented subclasses, for special types of mechanisms for manual actuation of switches.