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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.
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 ...
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.
The Von Duprin Safe Exit Device has been credited for saving Vonnegut from financial ruin during The Great Depression. [ 55 ] Fred H. Johnson, a consultant to the wholesale hardware trade in Florida and a former executive officer with Marshall-Wells Company, Shapleigh Hardware Company, and the Lufkin Rule Company of Canada, served as the ...
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She also shared that her costars would “put firecrackers in my door … to prank me.” “I was smoking a lot of weed in those days, too," she added. "And so, I was super paranoid, and I was ...
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