A panic bar (sometimes called a crash bar or a push bar) is a door locking device consisting of a spring-loaded metal bar fixed horizontally on the inside of an exit door roughly 40 inches up from the bottom of the door. When the panic bar is pushed, the latch releases and the door opens outward.24 hour locksmith las vegas This mechanism allows for a door to be opened quickly and easily when a panicked crowd presses against it in an emergency situation. Without a panic bar, a crowd may find it impossible to escape because the door would be too difficult to open inward. To serve its purpose effectively, this device must always open away from the side of the door on which the panic bar is mounted.
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