US PATENT SUBCLASS 188 / 184
.~.~.~ Transversely expanding

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
*  DD  .~ Speed-responsive {2}
180  DF  .~.~ Regulators {6}
184.~.~.~ Transversely expanding {1}
185  DF  .~.~.~.~> Radial

DEFINITION

Classification: 188/184

In response to the speed of the wheel brake-shoes are forced into contact with the inner rim.