Why Do Escalators Have Grooves ?

If you've ever taken an escalator, you've probably noticed the grooves on the steps. But what are they for ?

The grooves on escalator steps serve two main purposes:

a) To prevent foreign objects from getting stuck in the gaps between the steps.* This could cause the escalator to stall or even break down completely.

b) To collect liquids and prevent them from pooling on the surface of the steps.* This makes the escalator safer to use, especially on rainy days.

The grooves are also designed to help the steps lock together more securely as they ascend or descend. This helps to prevent the steps from slipping out of alignment, which could also cause a malfunction.

In addition to the grooves, escalators also have comb plates at the top and bottom. These comb plates are made of metal and have teeth that fit into the grooves on the steps. As the steps rise or fall, the comb plates help to keep the steps in place and prevent any foreign objects from getting caught in the gaps.

The grooves and comb plates on escalators are an important safety feature that helps to keep these moving walkways running smoothly and safely.

Here are some additional facts about the grooves on escalators:

a) The grooves are typically about 1/8 inch wide and 1/16 inch deep.

b) The grooves are made of a durable metal, such as stainless steel or aluminum.

c) The grooves are spaced so that they are just wide enough for the steps to fit together securely.

d) The grooves help to create a more textured surface on the steps, which provides better traction for people's feet.

The next time you're on an escalator, take a moment to appreciate the grooves on the steps. They may seem like a small detail, but they play an important role in keeping you safe and making your ride more comfortable.

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