US PATENT SUBCLASS 246 / 405
.~ Spiral-cam actuated

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

393  DF  SWITCH STANDS {8}
405.~ Spiral-cam actuated

DEFINITION

Classification: 246/405

(under subclass 393) Subject matter having a spiral cam for transmitting motion to the switch-rails.

SEE OR SEARCH THIS CLASS, SUBCLASS:

303, and 333, for similar switch-actuating mechanism.