US PATENT SUBCLASS 246 / 277
.~ Automatic turnouts


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

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
277.~ Automatic turnouts


DEFINITION

Classification: 246/277

(under subclass 270) Subject matter having turnouts or passing-sidings provided with vehicle-energy-actuated switches placed at the ends of same for automatically switching two approaching trains upon the proper tracks for passing.

(1) Note. The stationary turnouts of subclass 427 perform the same function, although those switches have no movable parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

319+, for analogous switch structure.