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Crash bar. 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. He was manager of the Builders Hardware Department at the Vonnegut Hardware Company in 1903, when, along with his architect and engineer ...
An emergency exit in a building or other structure is a special exit used during emergencies such as fires. The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible. Emergency exits must: Be clearly marked (usually with signage ...
Based on the earlier Kelly tool, the Halligan is a multipurpose tool for prying, twisting, punching, or striking. [6] It consists of a claw (or fork), a blade (wedge or adze), and a tapered pick, which is especially useful in quickly breaching many types of locked doors. One variant of the Halligan has a heavy sliding collar on the shaft.
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Door security. A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home ...
Jennings Creek fire in Northeast now 50% contained; brush fires ignite in Manhattan. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!
Better Homes & Gardens Juliet Arc Cabinet. $398 at Walmart. If you have a larger bar collection you want to put on display, look no further than the Juliet Arc Cabinet. It’s the perfect way to ...
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