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} |
375 | .~.~ Including means for preventing or retarding rotation of drum in at least one direction {3} | |
376 | DF | .~.~.~> Ratchet wheel or formation and locking pawl |
377 | DF | .~.~.~> Fluid resistance brake |
378 | DF | .~.~.~> Frictional brake assembly having rotating, wheel structure and shiftable shoe or band {1} |