Interesting Things with JC #1213: "How Do Escalators Work?" - Escalators are more than moving staircases. They use a continuous loop of gears chains and rollers to transport thousands safely every hour. Learn how they work and what keeps them running.

Ref - American Society of Mechanical Engineers. (2019). ASME A17.1-2019 / CSA B44-19: Safety code for elevators and escalators. Retrieved from https://www.asme.org/codes-standards/find-codes-standards/a17-1-safety-code-for-elevators-and-escalators