Pulley

n.	1.	(Mach.) A wheel with a broad rim, or grooved rim, for transmitting power from, or imparting power to, the different parts of machinery, or for changing the direction of motion, by means of a belt, cord, rope, or chain. Band pulley a pulley with a broad face for transmitting power between revolving shafts by means of a belt, or for guiding a belt. Cone pulley See Cone pulley. Conical pulley one of a pair of belt pulleys, each in the shape of a truncated cone, for varying velocities. Fast pulley a pulley firmly attached upon a shaft. Loose pulley a pulley loose on a shaft, to interrupt the transmission of motion in machinery. See Fast and loose pulleys, under Fast. Parting pulley a belt pulley made in semicircular halves, which can be bolted together, to facilitate application to, or removal from, a shaft. Pulley block Same as Block, n. 6. Pulley stile (Arch.) the upright of the window frame into which a pulley is fixed and along which the sash slides. Split pulley a parting pulley.
v. t.	1.	To raise or lift by means of a pulley.

Noun

1.

pulley - a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope Synonyms: pulley-block, block

block, block and tackle, bollock, bullock block, fairlead, idle pulley, idle wheel, idler pulley, machine, pulley-block, simple machine

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