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 |