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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.
Electrified exit hardware, sometimes called "panic hardware" or "crash bars", are used in fire exit applications. A person wishing to exit pushes against the bar to open the door, making it the easiest of mechanically-free exit methods. Electrified exit hardware can be either fail unlocked or fail locked.
Electric strikes for rim panic exit devices are sometimes, though not always, 'no cut' electric strikes - no cutting, in reference to a rim panic strike, means the strike is bolted to the surface of jamb without cutting into the frame or modifying it in any way (except for the drilling and tapping of mounting screw and/or anchoring pins).
The "Water Me" performer said that dynamic "was happening all night." "There were moments where there was some wild stuff that happened, but everybody had a great time," said Lizzo.
Damtew took off his shirt shortly before landing and “pushed his bare chest into a flight attendant” before “pinning” the attendant “against the aircraft exit door” as he shouted ...
Sean “Diddy” Combs has been accused in a new lawsuit of dangling a woman from the 17th-floor balcony of an apartment during an altercation. The lawsuit filed in Los Angeles by fashion designer ...
Exit control lock transmitter. If a newborn baby is removed from this section of the hospital without proper exit procedures, all exit control locks in the area switch to the locked state. Attempts to remove the transmitter from the baby's ankle also lock the exits. If the transmitter falls out (as shown here) an alarm sounds.
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