This drive method is most commonly found on Stairlifts and Platform Stairlifts. The rack is a fixed bar with teeth. The pinion wheel has corresponding teeth and is attached to the drive motor. As the motor turns, the pinion wheel traverses along the length of the rack.
Author: Nick Dade. Sales Director (Level Access Lifts Ltd). Disclaimer: The views and opinions expressed within this Education Centre are solely those of the original author/s. These views and opinions do not necessarily represent those of any given lift manufacturer or lift industry association.