US PATENT SUBCLASS 246 / 10
.~.~.~ Traction rail return

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

2 R  DF  TRAIN DISPATCHING {7}
7  DF  .~ Train telegraphy or telephony {3}
9  DF  .~.~ Continuous contacts {2}
10.~.~.~ Traction rail return {1}
11  DF  .~.~.~.~> Multiple contact

DEFINITION

Classification: 246/10

(under subclass 9) Systems in which a single continuous contact is used, current being returned by the traction rails.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67, 68, 71, 73, and 86, for system using the traction-rails or the return of the signal-current to the car, also the foregoing subclasses and in addition subclasses 65 and 66 for continuous- contact systems.

SEE OR SEARCH CLASS

191, Electricity: Transmission to Vehicles, for structure of the conductor and the collector.