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A crash bar (also known as a panic exit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
Carl Jacob Prinzler (June 6, 1870 – May 30, 1949) was an American engineer who invented the "panic bar" device for doors that allowed them to be opened from the inside despite being locked on the outside.
EN 16034 is a set of European standards which specify the technical performance characteristics for fire resistant and smoke control products, such as fire doors. Compliance with this standard requires to fulfill the requirements of the Construction Product Regulation [1] for construction products (short CPR).
In 1910, Vonnegut Hardware Company began to sell the Von Duprin Safe Exit Device; not long after many public buildings in Indianapolis implemented the panic bar, setting standards that the rest of the nation too would soon follow. [5] Dupont announced his move to Florida in 1915, with an office in St. Petersburg's Central National Bank Building ...
Commercial real estate has beaten the stock market for 25 years — but only the super rich could buy in. ... Don't panic. Here are 3 of the ... is the star of nursing home door decorating contest ...
Some 10-year-olds sell cookies and lemonade to earn a bit of spending cash, but not Kinley Maner. Kinley, from Thatcher, Arizona, is earning money by raising and selling chickens at the local fair.
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