spur-gear

spur gear

noun Machinery.
a gear having straight teeth cut on the rim parallel to the axis of rotation.
Also called spur wheel.


Origin:
1815–25

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
spur gear or spur wheel
 
n
a gear having involuted teeth either straight or helically cut on a cylindrical surface. Two such gears are used to transmit power between parallel shafts
 
spur wheel or spur wheel
 
n

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