US PATENT SUBCLASS 254 / 276
.~.~ Having mechanism, linked to drum and actuated by number of drum rotations, for generating control impulse to rotation retarding means or drive


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}
276.~.~ Having mechanism, linked to drum and actuated by number of drum rotations, for generating control impulse to rotation retarding means or drive


DEFINITION

Classification: 254/276

Having mechanism, linked to drum and actuated by number of drum rotations, for generating control impulse to rotation retarding means of drive:

(under subclass 266) Apparatus wherein the driven device also includes a mechanism which is linked to the drum and is actuated when the drum has completed a predetermined number of rotations; the mechanism when actuated generates a force which is transmitted to and regulates the operation of either (a) means for retarding the rotation of, or (b) the drive for, the drum.