
Exit devices are critical pieces of hardware on commercial doors. Exit devices, also known as crash bars or panic bars, the mechanisms for opening doors quickly consumed. Crash bars supplement or replace standard door handles or grips levers.
They make a hands-free exit from the inside as possible, while the Tor from the outside. They make a quick escape in emergency situations (hence the name panic bars.) If the first bar handle so that buildings such as theaters have their gates without endangering the people inside secure.
first exit devices went into production thanks to the joint efforts of Prinzler engineer Henry and DuPont. Their cooperation was the panic bar marketed by Vonnegut Hardware Company. It was under the name Von Duprin, “a fusion of the names of the three units together was: Vonnegut, DuPont and Prinzler sold.
Duprin brand quickly became a leader in the security industry after the release of his new design. The original “series 88″ crash bar underwent a number of upgrades to the design after the first publication. Technological developments have made substantial improvements to its ability to function and wear.
private company still produces the 88 Series Von Duprin panic bar. It has also expanded its range in recent decades. The company produces dozens of types of output devices and other door hardware.
Prinzler ingenious invention may have saved thousands of lives. Fortunately crash bars are standard mechanisms for commercial doors today. Von Duprin exit devices offers security for business and peace of mind for employees and clients in commercial buildings. The invention of the rod handle was an important step for the security industry and respect for human life and safety in the eyes of the public.