US PATENT SUBCLASS 188 / 348
.~.~.~ With power quick-slack-take-up

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
151 R  DF  .~ Fluid pressure {4}
152  DF  .~.~ Road vehicle {13}
348.~.~.~ With power quick-slack-take-up

DEFINITION

Classification: 188/348

(under subclass 152) Device wherein an operating member controls both (1) a source of stored energy, such as compressed air or vacuum, to initially eliminate "play" in the brake system as well as then (2) actuate the actual brake means.