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  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. Chamberlain Group - Wikipedia

    en.wikipedia.org/wiki/Chamberlain_Group

    Raynor — the company's line of garage door openers for professional installers. This line of professional installers is slightly less common than LiftMaster. Craftsman — re-branded Chamberlain models sold at Sears. Those products have a "139" model prefix to denote that the Chamberlain Group made them for Sears.

  4. Door furniture - Wikipedia

    en.wikipedia.org/wiki/Door_furniture

    A typical "handle set" is composed of the exterior handle, escutcheon, an independent deadbolt, and the interior package (knob or lever). On some doors the latch is incorporated into a hinged handle that releases when pulled on. See also: Doorknob – A knob or lever on an axle that is rotated to release the bolt; Crash bar or Panic bar; [3]

  5. Electric strike - Wikipedia

    en.wikipedia.org/wiki/Electric_strike

    However, an electric strike's ramped surface can, upon command, pivot out of the way when the lock on the door is in the locked position and the door is opened, allowing a user to pull/push the door to open it without operating the mechanical lock or using a mechanical key. After the door is opened past the keeper, the keeper returns to its ...

  6. Door closer - Wikipedia

    en.wikipedia.org/wiki/Door_closer

    Modern manual door closer Eclipse door spring and separate checking mechanism. A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior.

  7. North Carolina joins mystery drone conversation

    www.aol.com/news/north-carolina-joins-mystery...

    (The Center Square) – White House dismissal notwithstanding, mysterious drones are the talk of the nation. And North Carolina has entered the chat. “We are actively communicating with federal ...

  8. Tulsi Gabbard, Trump's pick for top intel role, draws ...

    www.aol.com/tulsi-gabbard-trumps-pick-top...

    President-elect Donald Trump's pick for the director of national intelligence, former Rep. Tulsi Gabbard, has little experience working with the nation's spy agencies and a long track record of ...

  9. Kate Middleton and Prince William Will Not Attend King ... - AOL

    www.aol.com/lifestyle/kate-middleton-prince...

    King Charles is kicking off the Christmas celebrations at his annual pre-Christmas Palace lunch, but not everyone will be in attendance.. PEOPLE understands that Kate Middleton, Prince William and ...

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