(also hypoid gear)
A bevel wheel with teeth engaging with a spiral pinion mounted at right angles to the wheel’s axis, used to connect nonintersecting shafts in vehicle transmissions and other mechanisms.
- Inside the diff, the hypoid ring-and-pinion gear is connected to the left and right half shafts via an electromagnetic clutch on each side.
- Bevel and hypoid gears may be used to transmit power between shafts at practically any angle and speed.
- The swivels, rear end, and transfer case needed hypoids and we used up all we had filling those chambers.
1920s: perhaps a contraction of hyperboloid.
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