US PATENT SUBCLASS 188 / 70 B
.~.~ Self-energizing

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  WHEEL {10}
70 R  DF  .~ Axially and transversely movable {1}
70 B.~.~ Self-energizing

Unofficial Alpha Subclasses: R B

DEFINITION

Classification: 188/70

Wheel-brakes moving parallel and transversely to axis of rotation.