US PATENT SUBCLASS 254 / 359
.~.~ Either drive or cable return means includes power transmitting pulley and rope or belt

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
359.~.~ Either drive or cable return means includes power transmitting pulley and rope or belt

DEFINITION

Classification: 254/359

(under subclass 266) Either drive or cable return means includes power transmitting pulley and rope or belt: 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 at least one power-transmitting, rotatable element having a generally circular perimeter adapted for contact with either a driven or a driving power-transmitting rope or endless belt which is partially wrapped around it.

(1) Note. The driven or driving rope or belt of this subclass is never attached or connected to the object being moved.

SEE OR SEARCH CLASS

187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle,

263, for an elevator supported by a cable which is pulled by a driving drum or sheave, the drum or sheave is driven by means of a hand rope.