US PATENT SUBCLASS 246 / 432
.~ Risers


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

415 R  DF  SWITCHES {21}
432.~ Risers


DEFINITION

Classification: 246/432

(under subclass 415) Subject matter having a switch in which the wheel rides upon a riser block or rail, and is thereby lifted and drawn over the top of a gauge-rail by the action of guard rails or grooves.

(1) Note. Includes switches of the so-called "Wharton" type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

421, 455 and 469, for switch and crossing risers.