US PATENT SUBCLASS 254 / 364
.~.~ Either drive or cable return means includes spring

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

264  DF  APPARATUS FOR HAULING OR HOISTING LOAD, INCLUDING DRIVEN DEVICE WHICH CONTACTS AND PULLS ON CABLE {4}
266  DF  .~ Device includes rotatably driven, cable contacting drum {34}
364.~.~ Either drive or cable return means includes spring

DEFINITION

Classification: 254/364

Either drive or cable return means includes spring:

(under subclass 266) Apparatus wherein either (a) the drive for rotating the drum when the cable is pulled to transport or shift the object, or (b) a means for rotating the drum and returning the object contacting portion of the cable to its original position in relationship to the drum after the load

has been transported or shifted, includes an energy storing spring.

SEE OR SEARCH CLASS

182, Fire Escape, Ladder, or Scaffold,

232, and 237 for a reel having a strand wound on it which is used in an occupant lowering fire escape and includes a spring for winding the strand after it has been unwound from the reel.