Safety Features for Elevators
Elevators have been around for thousands of years; the first one ever recorded was built by a Roman architect in 212 B.C. Having said that, it's safe to say that elevators have come a long way; in fact, they've come so far that many of us believe they are indeed infallible. As reliable as they may be, safety precautions are a must. Although mishaps are far and few between, safety is a number one priority for elevator distributors. The following are some of the most common safety features that modern elevators harbor.
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Emergency Breaking System – The irrational fear that elevator cables could snap is incredible unlikely. Here is why. First of all, the cables that hold an elevator car are made of intertwined steel that is bolted onto the car. Even if a cable did snap, the car would still be supported by a number of other steel cables. Even though the chances of all cables snapping off of an elevator car are slim, elevator manufacturers take precautions, anyway. In the crazy event that all cables snap, elevator cars are made with a breaking system that deploys to keep the car from falling. Some elevator cars feature breaks that clamp the rails while others deploy wedges that stop the car from dropping. Most, if not all emergency breaking systems, are activated by a speed. When the car reaches a certain falling speed the breaks deploy.
Emergency Communication – The most common elevator problems occur during power outages or when elevators simply stall. Staying inside the elevator until emergency personnel can assist is the safest thing to do in this situation; first, however, emergency personnel must be notified. It is for this reason all elevators come equipped with emergency buzzers, alarms, intercoms, or telephones inside the car. In the case of an emergency, the person inside the elevator car can use the emergency communication system to either alert persons that the elevator has stopped working or to contact emergency personnel directly. Not all elevators have the same system, as some feature only an alarm while others have a fully-connected telephone that allows persons to contact emergency help.
Door Sensors – In is very important for an elevator to be ADA approved. ADA stands for American's with a Disability Act. As an ADA requirement, elevators must have door-stopping sensors. These sensors are important, because they keep the doors from closing on someone or something. Door sensors aren't just important for the handicapped; they are also helpful for people who jump onto the elevator at the last minute, for dog owners whose pup is nervous about boarding, and for children who stick their hands in the way of the moving doors. Door sensors are crucial for everyone's safety, and no elevator should be built without them.