Pulley

Definition of Pulley

Pul´ley
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.

Related Words

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