Loose pulley

(Mach.)	See Fast and loose pulleys, under Fast.
	a pulley loose on a shaft, to interrupt the transmission of motion in machinery. See Fast and loose pulleys, under Fast.

loose pulley

[′lüs ′pu̇l·ē] (mechanical engineering) In belt-driven machinery, a pulley which turns freely on a shaft so that the belt can be shifted from the driving pulley to the loose pulley, thereby causing the machine to stop.

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