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.
The Enforcer is a 16 kg hardened steel construction with a steel pad at the impact end so that it can absorb the impact, [2] and a handle at the opposite end angled so that the user can swing accurately at inward-opening doors without actually applying their own pressure more than necessary. [2]
Typical modern padlock with keys Padlocked door Padlock in the Mayenne Castle Museum (France) Padlocks are portable locks with a shackle that may be passed through an opening (such as a chain link , or hasp staple) to prevent use , theft , vandalism or harm .
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 invasions.
Much of the UK is being hit with cold weather. Here are some tips for coping with low temperatures. LIVE: New weather warnings issued as snow and ice disrupt UK travel
Kim Kardashian is prepared to make a fashionable entrance no matter what.. The mom of four currently has a broken foot, which she shared in her Instagram Stories, captured by Cosmopolitan earlier ...
Design of door furniture is an issue to disabled persons who might have difficulty opening or using some kinds of door, and to specialists in interior design as well as those usability professionals which often take their didactic examples from door furniture design and use. [1] Items of door furniture fall into several categories, described below.