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  2. Crash bar - Wikipedia

    en.wikipedia.org/wiki/Crash_bar

    Crash bars offer numerous configurations for latching to the door frame. Vertical rods can be affixed to crash bars allowing both doors to be opened with no center clearance obstruction. When the bar is depressed, a chord within the vertical rod gets pulled, which lowers a latch at the top and/or bottom and allows the door to open.

  3. Door security - Wikipedia

    en.wikipedia.org/wiki/Door_security

    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. Door security is used in commercial and government buildings, as well as in residential settings.

  4. ABUS - Wikipedia

    en.wikipedia.org/wiki/ABUS

    The company's products are divided into three main areas: home security, mobile security and property security, each of which is developed and manufactured with a different focus for private residential and commercial users. [52] In addition to locks, such as the classic padlock or locks for doors, windows, bicycles and motorbikes, ABUS also ...

  5. Lockset - Wikipedia

    en.wikipedia.org/wiki/Lockset

    Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]

  6. Door handle - Wikipedia

    en.wikipedia.org/wiki/Door_handle

    This is an accepted version of this page This is the latest accepted revision, reviewed on 20 December 2024. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including exterior doors of residential and commercial buildings, internal doors, cupboard ...

  7. Floyd D. Rose - Wikipedia

    en.wikipedia.org/wiki/Floyd_D._Rose

    Floyd D. Rose (born 1948 [1]) is an American musician and engineer who invented the Floyd Rose Locking Tremolo System in the late 1970s, eventually founding a company of the same name to manufacture and license his products. This double locking system was notable for its ability to stay in tune despite repeated use and wide variations in pitch.

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