Definition of Pulley-block

1. 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.

Exact synonyms: Block, Pulley, Pulley Block
Group relationships: Block And Tackle
Specialized synonyms: Bollock, Bullock Block, Fairlead, Idle Pulley, Idle Wheel, Idler Pulley
Generic synonyms: Machine, Simple Machine



Pulley-block Pictures

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Lexicographical Neighbors of Pulley-block

pulled
pulled a train
pulled one's head in
pulled one's own weight
pulled one's weight
pulled over
pulled pork
pulled teeth
pulled together
puller
puller-outer
pullers
pullet
pullets
pulley
pulley-block (current term)
pulleys
pullicate
pullicates
pullies
pullikins
pulling
pulling a train
pulling one's head in
pulling one's own weight
pulling one's weight
pulling out
pulling over
pulling teeth
pulling together

Literary usage of Pulley-block

Below you will find example usage of this term as found in modern and/or classical literature:

1. Bridge Engineering by John Alexander Low Waddell (1916)
"The lower pulley block of the block and falls, carrying the hoisting hook. Hook Block.—A pulley block fitted with a hook at one end. Lead Blocks. ..."

2. A Treatise on Cranes by Henry Robinson Towne (1883)
"WESTON'S DIFFERENTIAL PULLEY BLOCK. The portable hoisting device generally ... The principles on which the action of the differential pulley block is based ..."

3. A Treatise on Cranes by Henry Robinson Towne (1883)
"WESTON'S DIFFERENTIAL PULLEY BLOCK. The portable hoisting device generally ... The principles on which the action of the differential pulley block is based ..."

4. Appletons' Cyclopædia of Applied Mechanics: A Dictionary of Mechanical by Appleton, firm, publishers, New York (1878)
"While the Differential pulley-block has a mechanical efficiency of 6, ... A self-stopping pulley-block is illustrated in Fig. 344. ..."

5. Mechanics Applied to Engineering by John Goodman (1908)
"If in a Weston pulley block only 40 % of the energy expended is utilized in lifting the load, what would require to be the diameter of the smaller part of ..."

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