US PATENT SUBCLASS 246 / 226
.~.~.~ Controller-actuated switches

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

218  DF  ELECTRIC ACTUATION {9}
221  DF  .~ Motor systems {5}
225  DF  .~.~ Reciprocating armature {4}
226.~.~.~ Controller-actuated switches {2}
227  DF  .~.~.~.~> Opposed magnets {2}
230  DF  .~.~.~.~> Alternate throw

DEFINITION

Classification: 246/226

(under subclass 225) Subject matter having means for actuating track-switches by manipulation of the controller of an electrically-propelled car, current being either used or cut out, while passing an insulated section of third rail or trolley-wire connected to the switch-motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

415+, and all subclasses mentioned in the search notes appended thereto, for switch structure.