Which component do escalators use to ensure a smooth ride and prevent misalignment?

The component responsible for ensuring a smooth ride and preventing misalignment in escalators is the step track. The step track provides a controlled pathway for the escalator steps to move along, maintaining alignment and stability as the steps ascend or descend.

When escalator steps are positioned correctly within the step track, they move in a straight and efficient manner, which is essential for both passenger safety and comfort. The precise design of the step track allows for these steps to be guided without deviation, minimizing wobbling or shifting that could lead to an uneven ride or accidents.

In contrast, while the step chain connects the steps to the escalator's drive mechanism, it does not directly influence the smoothness of the ride or alignment of the steps. The handrail serves primarily for passenger support and stability but does not affect the internal mechanics of step movement. Safety sensors play a crucial role in detecting issues that could pose dangers but do not contribute to the physical alignment or smooth movement of the escalator steps.