US PATENT SUBCLASS 246 / 233
.~.~.~.~ Tandem 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}
233.~.~.~.~ Tandem contacts, switches

DEFINITION

Classification: 246/233

(under subclass 231) Subject matter for switches provided with and which have a separate contact device for each magnet, the same being arranged in tandem or succession, usually in front of the switch to be actuated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229, for similar tandem-contact systems which have controller-actuated switches in this class.