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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..

Tackle :: Tackle (n.) Apparatus for raising or lowering heavy weights, consisting of a rope and pulley blocks; sometimes, the rope and attachments, as distinct from the block..

Lift :: Lift (n.) One of the steps of a cone pulley.

Pulley :: Pulley (b. t.) To raise or lift by means 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..

Machine :: Machine (n.) In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to

Tightener :: Tightener (n.) That which tightens; specifically (Mach.), a tightening pulley..

Infratrochlear :: Infratrochlear (a.) Below a trochlea, or pulley; -- applied esp. to one of the subdivisions of the trigeminal nerve..

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.

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..

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.

Face :: Face (n.) The principal dressed surface of a plate, disk, or pulley; the principal flat surface of a part or object..

Key :: Key (n.) A bar, pin or wedge, to secure a crank, pulley, coupling, etc., upon a shaft, and prevent relative turning; sometimes holding by friction alone, but more frequently by its resistance to shearing, being usually embedded partly in the shaft and partly in the crank, pulley, etc..

Gin :: Gin (n.) A machine for raising or moving heavy weights, consisting of a tripod formed of poles united at the top, with a windlass, pulleys, ropes, etc..

Rigger :: Rigger (n.) A cylindrical pulley or drum in machinery.

Pulley :: 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..

Tetraspaston :: Tetraspaston (n.) A machine in which four pulleys act together.

Muffle :: Muffle (v. t.) A pulley block containing several sheaves.

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..

Shiver :: Shiver (n.) A sheave or small wheel in a pulley.

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