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idle wheel

DEFINITIONS OF: idle wheel

1

n a pulley on a shaft that presses against a guide belt to guide or tighten it

Synonyms:
idle pulley, idler pulley
Type of:
block, pulley, pulley block, pulley-block
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
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