An intermediate wheel between two geared wheels, especially when its purpose is to allow them to rotate in the same direction.
More example sentences
- A bearing is adjacent to the idle wheel.
- On the arbor of the wheel of 57 is a pinion of 16, driving a wheel of 70, on whose arbor is a pinion of 8 driving an idle wheel of 40.
Definition of idle wheel in:
- The British & World English dictionary