What's the escalator comb plate?

The escalator comb plate is located at the upper and lower ends of the elevator, connecting the fixed platform and the moving steps. Its edges have a series of comb-like teeth that correspond to the grooves in the steps. It acts as a barrier between the moving steps and the skirt panel, prevents shoes, clothing, and other items from getting caught in the small gap between the steps and the skirt panel.  Without the comb plate, passengers could easily get their feet or clothing stuck in the gap, leading to serious injuries.

The design of the comb plate is crucial in ensuring its effectiveness.  The serrations on the comb plate are angled in the direction of the escalator's movement, which allows the comb plate to brush against the passengers' shoes and clothing as they step onto or off the escalator.  This brushing action helps to dislodge any loose items that may be caught in the gap between the steps and the skirt panel.

In addition to its safety function, the comb plate also plays a role in the smooth operation of the escalator.  The brushing action of the comb plate helps to remove any debris that may accumulate on the steps, such as dirt or gravel.  This debris can cause the steps to become slippery, which could lead to accidents.  The comb plate's design also ensures that the steps remain properly aligned and do not overlap, which could cause the escalator to malfunction.

The comb plate is a small but important component of an escalator's design.  It plays a critical role in ensuring passenger safety and efficient escalator operation.  The comb plate's serrated design and brushing action help to prevent items from getting caught in the gap between the steps and the skirt panel, while also removing debris from the steps.  The next time you ride an escalator, take a moment to appreciate the humble comb plate and the important job it performs.