US PATENT SUBCLASS 254 / 269
.~.~ Having stationary mechanism, actuated by load or other obstruction on and traveling with cable, 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}
269.~.~ Having stationary mechanism, actuated by load or other obstruction on and traveling with cable, for generating control impulse to rotation retarding means or drive


DEFINITION

Classification: 254/269

Having stationary mechanism, actuated by load or other obstruction on and traveling with cable, for generating control impulse to rotation retarding means or drive:

(under subclass 266) Apparatus provided with a stationary mechanism located along the path of the cable and actuated by either the load or some other obstruction on and traveling with the cable, 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.

SEE OR SEARCH CLASS

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

282+, and 302+ for a limit control mechanism arranged to be actuated by an elevator car or a counterweight for the elevator car.