Pulley vs. Sheave

Pulleynoun

One of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object (more useful when two or more pulleys are used together, as in a block and tackle arrangement, such that a small force moving through a greater distance can exert a larger force through a smaller distance).

Pulleyverb

(transitive) To raise or lift by means of a pulley.

Pulleynoun

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.

Pulleyverb

To raise or lift by means of a pulley.

Pulleynoun

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

Pulleynoun

a wheel with a grooved rim around which a cord passes, which acts to change the direction of a force applied to the cord and is used to raise heavy weights.

Pulleynoun

a wheel or drum fixed on a shaft and turned by a belt, used for the application or transmission of power.

Pulleyverb

hoist with a pulley

Pulley

A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt. In the case of a pulley supported by a frame or shell that does not transfer power to a shaft, but is used to guide the cable or exert a force, the supporting shell is called a block, and the pulley may be called a sheave.

Sheavenoun

A wheel having a groove in the rim for a rope to work in, and set in a block, mast, or similar; the wheel of a pulley.

Sheavenoun

A sliding scutcheon for covering a keyhole.

Sheaveverb

To gather and bind into a sheaf.

Sheavenoun

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.

Sheaveverb

To gather and bind into a sheaf or sheaves; hence, to collect.

Sheaveverb

another term for sheaf (verb)

Sheavenoun

a wheel with a groove for a rope to run on, as in a pulley block.

Sheave

A sheave () or pulley wheel is a grooved wheel often used for holding a belt, wire rope, or rope and incorporated into a pulley. The sheave spins on an axle or bearing inside the frame of the pulley.