technical product including an arrangement of wheel in a device (especially a train of gears)
- a mix of rims and their connection in a machine or system
- a mix of tires, and their particular connection, in a machine or method.
(n.) A combination of wheels, and their particular link, in a device or process.
This allowed a shorter train and stronger wheelwork to be used, securing more certain action, and involving less risk of derangement.