What’s this that you always see on a escalator? Seems kinda pointless

What’s That Thing You Always See on an Escalator? Seems Kinda Pointless, Right?

Have you ever been riding an escalator and noticed something that seems to serve no clear purpose? If you’ve paid attention, you might have spotted a small, often overlooked detail—the comb at the top of the escalator. While it might look like a weird, unnecessary addition to a machine that already gets you from one floor to another, it actually plays a crucial role in keeping escalators functional and safe.

In this article, we’ll explore the mystery behind this often-ignored feature and why it’s there—turns out, it’s not pointless at all!

What Exactly Is This Comb?

If you’ve ever taken a close look at an escalator, you may have seen a comb-like structure at the junction between the escalator steps and the landing platform. The teeth of this comb interlock with the steps as they move up or down, almost like a set of gears meshing together.

This comb is usually located at both the top and bottom of the escalator, though the one at the top is the most visible. So, why is it there?

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