US PATENT SUBCLASS 246 / 441
.~.~ Tread guard rail

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

415 R  DF  SWITCHES {21}
435 R  DF  .~ Point {8}
441.~.~ Tread guard rail

DEFINITION

Classification: 246/441

(under subclass 435) Subject matter having a point switch provided with a guard-rail, which by contact with the rim of the tread of the wheel forces the flange of the wheel away from the switch-points.

SEE OR SEARCH THIS CLASS, SUBCLASS:

456, for similar structure in crossings.