US PATENT SUBCLASS 246 / 364
.~.~ Racks or friction bars


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

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
359  DF  .~ Train trips {8}
364.~.~ Racks or friction bars


DEFINITION

Classification: 246/364

(under subclass 359) Subject matter having train trips whose contacting members are either toothed racks, brushes, friction-bars, or their equivalents.

SEE OR SEARCH CLASS

104, Railways,

279+, for details of mechanism for bringing track- cleaners into operative position and more or less adapted for bringing car-tappets also into operative position.