US PATENT SUBCLASS 242 / 422
.~.~ Yieldable coil brake

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

410  DF  TENSION CONTROL OR BRAKE {3}
416  DF  .~ Supply controlled {6}
422.~.~ Yieldable coil brake {5}
422.1  DF  .~.~.~> Plural
422.2  DF  .~.~.~> Fluid or magnetic brake or operator
422.3  DF  .~.~.~> Electrical operator
422.4  DF  .~.~.~> Radially applied {3}
423  DF  .~.~.~> Axially applied {1}

DEFINITION

Classification: 242/422

Yieldable coil brake:

(under subclass 416) Subject matter wherein the retarding device includes a particular braking member shiftable into engagement with the delivery coil or reactive structure rotatable with the coil for establishing a desired resistance value to unwinding.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force, particularly

375+, for a brake for the drum of winch or hoist.