Definition of pulley

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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..

Lern More About Pulley

Homodromous :: Homodromous (a.) Moving in the same direction; -- said of a lever or pulley in which the resistance and the actuating force are both on the same side of the fulcrum or axis.
Telodynamic :: Telodynamic (a.) Relating to a system for transmitting power to a distance by means of swiftly moving ropes or cables driving grooved pulleys of large diameter.
Taglia :: Taglia (n.) A peculiar combination of pulleys.
Tetraspaston :: Tetraspaston (n.) A machine in which four pulleys act together.
Gorge :: Gorge (n.) The groove of a pulley.
Swing :: Swing (v. t.) To admit or turn (anything) for the purpose of shaping it; -- said of a lathe; as, the lathe can swing a pulley of 12 inches diameter..
Face :: Face (n.) The width of a pulley, or the length of a cog from end to end; as, a pulley or cog wheel of ten inches face..
Sheave :: Sheave (v.) A wheel having a groove in the rim for a rope to work in, and set in a block, mast, or the like; the wheel of a pulley..
Polive :: Polive (n.) A pulley.
Lift :: Lift (n.) One of the steps of a cone pulley.
Tightener :: Tightener (n.) That which tightens; specifically (Mach.), a tightening pulley..
Traction :: Traction (n.) The adhesive friction of a wheel on a rail, a rope on a pulley, or the like..
Drum :: Drum (n.) A cylinder on a revolving shaft, generally for the purpose of driving several pulleys, by means of belts or straps passing around its periphery; also, the barrel of a hoisting machine, on which the rope or chain is wound..
Brail :: Brail (n.) Ropes passing through pulleys, and used to haul in or up the leeches, bottoms, or corners of sails, preparatory to furling..
Chain Wheel :: Chain wheel () A chain pulley, or sprocket wheel..
Infratrochlear :: Infratrochlear (a.) Below a trochlea, or pulley; -- applied esp. to one of the subdivisions of the trigeminal nerve..
Pulley :: Pulley (b. t.) To raise or lift by means of a pulley.
Block :: Block (v. t.) A grooved pulley or sheave incased in a frame or shell which is provided with a hook, eye, or strap, by which it may be attached to an object. It is used to change the direction of motion, as in raising a heavy object that can not be conveniently reached, and also, when two or more such sheaves are compounded, to change the rate of motion, or to exert increased force; -- used especially in the rigging of ships, and in tackles..
Crown :: Crown (n.) To cause to round upward; to make anything higher at the middle than at the edges, as the face of a machine pulley..
Polyspast :: Polyspast (n.) A machine consisting of many pulleys; specifically, an apparatus formerly used for reducing luxations..
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