US PATENT SUBCLASS 246 / 227
.~.~.~.~ Opposed magnets

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  DF  .~.~.~ Controller-actuated switches {2}
227.~.~.~.~ Opposed magnets {2}
228  DF  .~.~.~.~.~> Circuit changers
229  DF  .~.~.~.~.~> Tandem contacts

DEFINITION

Classification: 246/227

(under subclass 226) Subject matter in which an armature or double core of the motor reciprocates between two opposed magnets or solenoids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

231+, for similar motor actuation of switches where the motor is not controller actuated.