.~.~ With means for retarding unwinding of strand type escape {4}
238
.~.~.~ Fluid resistance brake
DEFINITION
Classification: 182/238
Fluid resistance brake:
(under subclass 236) Device wherein slowing or stopping means includes a brake which utilizes the force of a fluid against a portion of the brake structure.
SEE OR SEARCH CLASS
187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle,
346, for a fluid governor carried upon a car and driven by the movement of the car.
188, Brakes,
266+, for internal resistance motion retarders.
254, Implements or Apparatus for Applying Pushing or Pulling Force, 377, for a driven drum which pulls on a cable and includes a fluid resistance brake for retarding the rotation of the drum.