US PATENT SUBCLASS 246 / 270 A
.~ Automatic switch actuation from or by vehicle


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

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
270 A.~ Automatic switch actuation from or by vehicle

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 246/270

(under the class definition) Subject matter in this subclass by which signals, switches, gates, and other movable elements of this class are actuated by the energy of the moving vehicle; either by direct mechanical connection with the train- actuated track-trip or indirectly by means of power stored up in springs, counterweights, and trains of clockwork by the moving vehicle through the medium of track-trips.

SEE OR SEARCH THIS CLASS, SUBCLASS:

245, for car-actuated generators of electricity.

246, for car-actuated circuit-closers.

252, for trolley or plow actuated circuit-closers, these devices not being included in this subclass.