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  2. 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.

  3. Smart lock - Wikipedia

    en.wikipedia.org/wiki/Smart_lock

    A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...

  4. Concealment device - Wikipedia

    en.wikipedia.org/wiki/Concealment_device

    A device whereby a safe-looking safe is left open but has a hidden compartment (e.g., in the door) where small valuable articles can be hidden. As an alternative variant, a safe may be "stocked" with some lesser valuables, with the expectation that it will be burgled, but that the real safe or hiding place for the important valuables will be ...

  5. Dihedral synchro-helix actuation doors - Wikipedia

    en.wikipedia.org/wiki/Dihedral_Synchro-Helix...

    The dihedral synchro-helix actuation door system is a type of door with a hinge mechanism which allows the doors to rotate 90° by sweeping outwards and upwards at the hinge. [1] It was designed and developed by Christian von Koenigsegg on behalf of high-performance sports cars manufacturer, Koenigsegg Automotive AB . [ 2 ]

  6. DeSantis quietly signs controversial condo bill. Owners are ...

    www.aol.com/desantis-quietly-signs-controversial...

    Gov. Ron DeSantis on Friday quietly signed a controversial condominium bill into law that unit owners are already threatening to sue over if lawmakers don’t fix certain provisions next ...

  7. Three-point locking - Wikipedia

    en.wikipedia.org/wiki/Three-point_locking

    Another three-point locking system is commonly used in lockers. [5] This system uses a "Latch Channel" with 3 vertical slots that attach to 3 hooks on the locker frame. The locker handle is attached directly to the latch channel so that when the channel is lifted, it is released from the hooks and the door is allowed to swing open.