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  2. Night latch - Wikipedia

    en.wikipedia.org/wiki/Night_latch

    Historically, such locks were intended for use at night-time, hence the name. [5] The keyless egress that they offer is a valuable fire safety measure, but may be a security risk if breaking a glass panel (usually in the door) or a nearby small window allows an intruder to reach the knob inside and open the door from the outside.

  3. Rekeying - Wikipedia

    en.wikipedia.org/wiki/Rekeying

    Locks are usually re keyed to build master-key systems, make a set of locks share a common key, or to eliminate compromised keys. [2] [3] [4] Sometimes worn pins are replaced with new pins if the old pins become too short to reach the shear-line. [5] The shear-line is the thin line shared by the lock plug and its cylindrical housing. If a pin ...

  4. 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]

  5. Chubb detector lock - Wikipedia

    en.wikipedia.org/wiki/Chubb_detector_lock

    Chubb locks are mentioned twice in the Sherlock Holmes stories by Arthur Conan Doyle. In the short story "A Scandal in Bohemia", Holmes describes a house with a "Chubb lock to the door." [9] In another short story, "The Adventure of the Golden Pince-Nez", Holmes asks "Is it a simple key?" to which Mrs Marker, an elderly maid, replies, "No, sir ...

  6. Magnetic keyed lock - Wikipedia

    en.wikipedia.org/wiki/Magnetic_keyed_lock

    Key control (advantages): Due to the magnetic cylinder elements embedded in the keys, there is a high degree of key control. Unlawful key duplications are minimized by limited access to key blanks (locksmiths) and unique magnetic coding in the key that cannot easily be determined by inspecting the target lock.

  7. Bored cylindrical lock - Wikipedia

    en.wikipedia.org/wiki/Bored_cylindrical_lock

    Some commercially-sold doors may come prepared to receive one or more bored cylindrical locks, such as entry doors, which typically require both a door knob and dead bolt. [ 2 ] In the United States, typically, the face bore is sized from 1.5 to 2.125 inches (3.81 to 5.40 cm) in diameter and is centered at 2.375 or 2.75 inches (6.03 or 6.99 cm ...

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Glossary of locksmithing terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_locksmithing_terms

    In pin tumbler locks, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt. [6] Key pin In a pin tumbler lock, the key pin is in contact with the key. It has varying lengths, corresponding to the key's ...

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