enow.com Web Search

  1. Ad

    related to: push bar door lock mechanism diagram printable

Search results

  1. Results from the WOW.Com Content Network
  2. Crash bar - Wikipedia

    en.wikipedia.org/wiki/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.

  3. Electromagnetic lock - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_lock

    The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.

  4. Electric strike - Wikipedia

    en.wikipedia.org/wiki/Electric_strike

    This is exactly the same principle as a child safety door lock which is installed on car doors. Electric strikes on AC allow someone outside the door to hear when the door is open. The buzzing noise is typically made by applying alternating current (AC) to the strike instead of direct current (DC). When using a DC powered strike, the sound is ...

  5. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    Electric locks use magnets, solenoids, or motors to actuate the lock by either supplying or removing power. Operating the lock can be as simple as using a switch, for example an apartment intercom door release, or as complex as a biometric based access control system. There are two basic types of locks: "preventing mechanism" or operation ...

  6. Glossary of locksmithing terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_locksmithing_terms

    The bitting of a key is the physical arrangement of the bit of the key that engage with the locking mechanism. The bitting instructs a locksmith how to cut a certain key, to replace a lost key or make an additional copy. Blade The segment of a key which enters the keyway of a lock and has key cuts machined into it. On a bit key the blade is ...

  7. 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]

  8. Pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Pin_tumbler_lock

    The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.

  9. Police lock - Wikipedia

    en.wikipedia.org/wiki/Police_lock

    Another type of lock also called a police lock and also formerly made by the Fox Police Lock Company is the crossbar police lock. It features two steel bars across the width of the door and beyond, held by two brackets set in the doorframe. [1] [3] When the door is unlocked, the bars are moved inwards to the point of being withdrawn from the ...

  1. Ad

    related to: push bar door lock mechanism diagram printable