Pulley

A pulley is a wheel on an axle that is designed to support movement and change of direction of a cable or belt along its circumference. Pulleys are used in a variety of ways to lift loads, apply forces, and to transmit power. In nautical contexts, the assembly of wheel, axle, and supporting shell is referred to as a `block.` A pulley is also cal.....
Found on http://en.wikipedia.org/wiki/Pulley

Pulley

• (b. t.) To raise or lift by means of a pulley. • (v. t.) 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.
Found on http://thinkexist.com/dictionary/meaning/pulley/

pulley

pulley-block noun 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
Found on https://www.encyclo.co.uk/local/20974

Pulley

Pul'ley noun ; plural Pulleys . [ French poulie , perhaps of Teutonic origin (cf. Poll , transitive verb ); but confer Middle English poleine , polive , pulley, Late Latin polanus , and French poulain , properly, a colt...
Found on http://www.encyclo.co.uk/webster/P/192

Pulley

Pul'ley transitive verb To raise or lift by means of a pulley. [ R.] Howell.
Found on http://www.encyclo.co.uk/webster/P/192

Pulley

A device for transferring power when using Belts as Gearing. Changing to smaller or larger Pulleys changes the gear ratio, and can be used to make a shaft turn faster or slower than the shaft that is providing its power.
Found on http://www.otherpower.com/glossary.html

Pulley

A disc with a groove around its circumference to locate a rope or cable and is used to change the direction of a force and/or multiply the force. See also: Lever, Telodynamic Transmission.
Found on http://www.diracdelta.co.uk/science/source/p/u/pulley/source.html

pulley

A type of simple machine consisting of a wheel with a groove in it around which a rope passes. Pulleys can make it possible for a person to lift several times their own weight. Bending down to lift an object from the floor is awkward and difficult if the object is heavy. It is much easier to lift th...
Found on http://www.daviddarling.info/encyclopedia/P/pulley.html

Pulley

In engineering, a puley is a wheel for transmitting power from, or imparting it to, different parts of machinery, or for changing the direction of motion by means of a cord, belt or rope.
Found on http://www.probertencyclopaedia.com/browse/GP.HTM

pulley

in mechanics, a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Pulleys are used singly or in combination to transmit ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/p/132

pulley

pulley, simple machine consisting of a wheel over which a rope, belt, chain, or cable runs.A grooved pulley wheel like that used for ropes is called a sheave. A single sheave mounted in a block and fixed in place simply changes the direction of force exerted on the rope passing over it. If the end o...
Found on http://www.infoplease.com/ce6/sci/A0840500.html

Pulley

See loftblock.
Found on https://www.encyclo.co.uk/local/20411

pulley

Simple machine consisting of a fixed, grooved wheel, sometimes in a block, around which a rope or chain can be run. A simple pulley serves only to change the direction of the applied effort (as in a simple hoist for raising loads). The use of more than one pulley results in a mechanical advantage, so...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0016638.html

Pulley

Small wheels on rear deraillerus that allow the chain to move freely.
Found on http://cycling.isport.com/cycling-guides/cycling-glossary

pulley

Type: Term Pronunciation: pul′ē See: trochlea
Found on http://www.medilexicon.com/medicaldictionary.php?t=73897

pulley

[n] - 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
Found on http://www.webdictionary.co.uk/definition.php?query=pulley
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