spiral bevel gear

noun

, Machinery.

1. a bevel gear having curved teeth tending to converge on the axis of rotation.

Word History and Origins

Origin of spiral bevel gear¹

First recorded in 1930–35

Example Sentences

There are no loud exhaust pipes, of course, but the transversely-mounted motor and the spiral bevel gear that directs power from it to the drive belt were engineered to create a mild mechanical medley when you twist the accelerator to send up to 105 hp and 86 lb-ft of torque to the rear wheel.

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