Ads
related to: panic bars with schlage lockswalmart.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
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.
In 1895, he was entitled manager of the art-hardware and building material department. By 1908, Prinzer, working in conjunction with his Indianapolis neighbor, architect Harry H Dupont, would develop and receive US patent protection for what would later come to be known in the industry as panic bar door hardware.
Carrying house keys is so 2012. It's 2019, folks, and there's no reason that you should still be living in the stone age. Smart locks are fantastic ways to add connectivity to your front door, but ...
Schlage had just completed a move from the Old Office building to a three-story New Office located nearby, at the corner of Bayshore and Leland. [10] Schlage remained an Ingersoll Rand subsidiary for nearly 40 years, until Schlage and other security hardware companies were spun off as part of Allegion, formed in December 2013. [12]
His first patent was in 1909, inventing a door lock that turned lights on and off. [1] At the time, Schlage was a citizen of Germany residing in Berkeley, California. [2] In 1919, Schlage patented a door knob which, when pushed up, locked the door. [3] [4] This was succeeded by a door knob incorporating a push-button lock, patented in 1924. [5]
Ads
related to: panic bars with schlage lockswalmart.com has been visited by 1M+ users in the past month