US PATENT SUBCLASS 188 / 147
.~.~.~.~.~ Train

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
110  DF  .~ Automatic {3}
135  DF  .~.~ Momentum {4}
140 R  DF  .~.~.~ Vehicle {5}
144  DF  .~.~.~.~ Railway {2}
147.~.~.~.~.~ Train {2}
148  DF  .~.~.~.~.~.~> Push rod
149  DF  .~.~.~.~.~.~> Drawbar {1}

DEFINITION

Classification: 188/147

The brakes are operated through the momentum of the cars to be braked, the action being controlled by the relative motion of the units of the train.