US PATENT SUBCLASS 254 / 271
.~.~.~ With cable contacting component, on or adjacent to circumference of drum, shifted by segment of wound cable

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}
270  DF  .~.~ Having cable contacted, supported, or attached mechanism for generating control impulse to retarding means or drive {2}
271.~.~.~ With cable contacting component, on or adjacent to circumference of drum, shifted by segment of wound cable

DEFINITION

Classification: 254/271

With cable contacting component, on or adjacent to circumference of drum, shifted by segment of wound cable:

(under subclass 270) Apparatus in which the mechanism has a shiftable component either located on or adjacent to the circumference of the drum, the component is shifted by a segment of the cable wound on the circumference of the drum and generates the regulating force to the rotation-retarding means or drive when shifted.