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  2. Walter Schlage - Wikipedia

    en.wikipedia.org/wiki/Walter_Schlage

    His first patent was in 1909, inventing a door lock that turned lights on and off. [1] At the time, Schlage was a citizen of Germany residing in Berkeley, California. [2] In 1919, Schlage patented a door knob which, when pushed up, locked the door. [3] [4] This was succeeded by a door knob incorporating a push-button lock, patented in 1924. [5]

  3. Schlage - Wikipedia

    en.wikipedia.org/wiki/Schlage

    Schlage (/ ʃ l eɪ ɡ / SHLAYG) [1] [2] is an American lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado, in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP.

  4. LockPickingLawyer - Wikipedia

    en.wikipedia.org/wiki/LockPickingLawyer

    The LockPickingLawyer YouTube channel was started in 2015. [5] In 2018, the channel attracted attention after posting a video of a bicycle lock being cut open in two seconds. [6] Other videos include picking a car lock, though it is noted that the methods used are not capable of starting the car. [7] The channel also accepts challenges sent in ...

  5. González Padín - Wikipedia

    en.wikipedia.org/wiki/González_Padín

    This was the most complete hardware store that existed at the Plaza Carolina shopping mall, offering its prestigious products to the public, such as: Sherwin Williams paints, Kohler bathroom pieces, and the Schlage locks. [19] On November 27, 1981, a new store would open at the Arecibo Mall in Arecibo. With this store González Padín had used ...

  6. Locksmithing - Wikipedia

    en.wikipedia.org/wiki/Locksmithing

    Harry Soref founded the Master Lock Company in 1921 and patented an improved padlock in 1924 with a patent lock casing constructed out of laminated steel. Linus Yale Sr. invented a pin tumbler lock in 1848. Linus Yale Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges that is the basis of modern pin ...

  7. Lock bumping - Wikipedia

    en.wikipedia.org/wiki/Lock_bumping

    The lock is not visibly damaged, although the force of the bump can leave an indentation on the front of the cylinder. Certain clicking and vibrating tools designed for bumping can also be used. These allow for rapid repetition of bumping. Though some locks have advertised "bump proof" features, only a rare few key-pin locks cannot be bumped.

  8. Fail-safe - Wikipedia

    en.wikipedia.org/wiki/Fail-safe

    However, as this would allow virtually anyone to go through the gate, a fail-secure design is used: In a power outage, the gate can only be opened by a hand crank that is usually kept in a safe area or under lock and key. When such a gate provides vehicle access to homes, a fail-safe design is used, where the door opens to allow fire department ...

  9. Schlage (surname) - Wikipedia

    en.wikipedia.org/wiki/Schlage_(surname)

    Schlage is a surname. Notable people with the surname include: Walter Schlage (1882–1946), German-born American engineer and inventor; Willi Schlage (1888–1940 ...