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spiral gear

 - 2 dictionary results

spiral gear

–noun
1. a type of helical gear used for transmitting power between shafts that are at an angle to each other.
2. spiral bevel gear.

spiral bevel gear

–noun Machinery.
a bevel gear having curved teeth tending to converge on the axis of rotation.
Also called spiral gear.


Origin:
1930–35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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