US PATENT SUBCLASS 246 / 234
.~.~.~.~ Parallel contacts, 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}
231  DF  .~.~.~ Opposed magnets {3}
234.~.~.~.~ Parallel contacts, switches {1}
235  DF  .~.~.~.~.~> Circuit controller

DEFINITION

Classification: 246/234

(under subclass 231) Subject matter for switches and which have a pair of contact plates, conductors, or ramp-rails (one for each magnet) placed together in parallel in front of the switch, and provided with means on the car for making electrical connection with either one of same, as desired.

SEE OR SEARCH THIS CLASS, SUBCLASS:

49, 56, 69 to 71, 74, 85, 92, 195, 229, 233, and 235, for other systems using intermittent contacts in this class.

246+, and all subclasses mentioned in the search notes appended thereto, for various types of circuit-controllers.