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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.
A door security restrictor, aka a door swing bar lock, is a newer device intended to replace door chains. It consists of a U-shaped bar that attaches to a hinge on the doorframe, and a knob on the door. The bar swings over the knob to restrict the full opening of the door. Door bars are easier to use, and can be made of much sturdier material ...
Door with two locks, one in the doorknob and a separate deadbolt. A deadbolt or deadlock is a type of lock morticed into a wooden door. Then, using a key from either side of the door, a bolt is thrown into the door frame, thus securing the door. [1] It is distinct from a spring bolt lock because a deadbolt can only be opened by a key or handle ...
Door breaching is a process used by military, police, or emergency services to force open closed or locked doors. A wide range of methods are available depending on the door's opening direction (inward or outward), construction materials, etc., and one or more of these methods may be used in any given situation.
A pocket door handle is a recessed rectangular insert, typically with operating hardware called a door pull. [24] Door handles can also be called "handle sets". In addition there are door handles that are flush-mount and require pressing rather than turning or gripping, and there are touch-free, electronic, and motion-sensor door handles.
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 ...
Mortise lock. The two main parts of a mortise lock. Left: the lock body, installed in the thickness of a door. This example has two bolts: a sprung latch at the top, and a locking bolt at the bottom. Right: the box keep, installed in the doorjamb. A mortise lock (also spelled mortice lock in British English) is a lock that requires a pocket ...
The parallel wall has large, glass Marvin sliding doors—the one high-end amenity that the house came with—and those gliders open onto a small patio that overlooks two creeks, a forest, several ...
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related to: security bar for door knobamazon.com has been visited by 1M+ users in the past month
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3579 S High St, Columbus, OH · Directions · (614) 409-0683