pulley Synonyms

block pulley block winch wheel trochlea tackle spool sheave roller roll ring reel ratchet windlass auction block neck band hoisting gear blocks lifting gear wheel and axle roulette wheel mechanical advantage block and tackle idle wheel fairlead puli pulleys neckband lifter crab closure circumvolution circulation circuit cathead castor caster capstan cam blockage crane crank lift hoist elevator drum disk disc derrick cycle