winch, rope, windlass, capstan, ascender, towrope, idler pulley, treadle, outriggers, conveyer, tailstock, hydraulic pump, bungee, drawbar, davit, spool, conveyor, bungee cord, straps, hydraulic ram, needlenose pliers, electromagnets, trunnion, ladders, tensioning, contraption, pintle, mortice, shaft, belaying, karabiner, crane, pitons, pushrods, dumbwaiter, tethers, handwheel, carabiner, reamer, gooseneck, skidder, locknut, cogwheel, gripper, crossbeam, torsion bar, breeches buoy, solenoid, hydraulics, footrest, waterwheel, crosshead, truss, swivel, hoist, tubing, microswitch, plumb bob, pushrod, bedframe, gimbals, retractor, forklift, dowels, hoses, catenary, spile, grappling hook, arrester, gondola, pinion, piston rod, sheave, telescoping, overhand knot, pantograph, furling, gimbal, spindle, rod, crampon, rotary actuator, torque wrench, platens, eyebolt, clawlike, armature, bobbin, cherry picker, grippers, allen wrench, tappet, skeg, countersink, towline, crosspieces, aileron, suction, handsaws, fastening, flange, barbells, pulleys, piston, roller, plunger, axle, crossbar, rack, sprocket, screw, gear, turntable, wheel, bracket, rail, batten, crank, clamp, cylinder, disc, grooved, slotted, wire, anvil, bevel, duplex, idler, locking, nozzle, pivoted

bollock, bullock block, fairlead, idler pulley, idle pulley, idle wheel

back-geared, block and tackle, bollock, bullock block, double-geared, fairlead, figure eight, figure of eight, idler pulley, idle pulley, idle wheel, snatch block

block and tackle

machine, simple machine

block, pulley-block