feather key

nounMachinery.

a rectangular key connecting the keyways of a shaft and a hub of a gear, pulley, etc., fastened in one keyway and free to slide in the other so that the hub can drive or be driven by the shaft at various positions along it.

Also called feather, spline.

Words Nearby feather key

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use feather key in a sentence

In one form of feather key the part within the piece carried by the shaft is dovetailed as shown at (f).
An Introduction to Machine Drawing and Design | David Allan Low
The feather key may also be secured to the piece carried by the shaft by means of one or more screws as shown at (h).
An Introduction to Machine Drawing and Design | David Allan Low

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