US PATENT SUBCLASS 246 / 173
.~.~ Inertia trips

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

167 R  DF  CAB SIGNAL OR TRAIN CONTROL {20}
170  DF  .~ Derailment {2}
173.~.~ Inertia trips

DEFINITION

Classification: 246/173

(under subclass 170) Subject matter where the control is effected by the inertia of the trip, as when the vehicle is severely jolted.

SEE OR SEARCH THIS CLASS, SUBCLASS:

167, and all subclasses mentioned in the search notes appended thereto, for cab and control features.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

52, for inertia operated switches.