US PATENT SUBCLASS 192 / 223.4
.~.~ Wrap-spring brake

Current as of: June, 1999
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192 /   HD   CLUTCHES AND POWER-STOP CONTROL

215  DF  TRANSMISSION AND BRAKE {7}
223  DF  .~ Torque-responsive brake {4}
223.4.~.~ Wrap-spring brake

DEFINITION

Classification: 192/223.4

Wrap-spring brake:

(under subclass 223) Subject matter wherein the device to retard or stop rotation of the output load is a helically coiled resilient element which expands or contracts radially to frictionally engage a member to be braked.