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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.
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]
Locksmithing is the work of making and defeating locks. Locksmithing is a traditional trade and in many countries requires completion of an apprenticeship . The level of formal education legally required varies from country to country from none at all, to a simple training certificate awarded by an employer, to a full diploma from an ...
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.
Most mag lock designs would not meet current fire codes as the primary means of securing a fire listed door to a frame. [1] Because of this, many commercial doors (this typically does not apply to private residences) are moving over to stand-alone locks, or electric locks installed under a Certified Personnel Program. [further explanation needed]
A suspect is in custody after a knife attack at Grand Central 42 Street subway station in New York injured two with neck and wrist slashes.
The U.S. Federal Emergency Management Agency - whose mission is to help people before, during and after disasters - fired an employee who advised her survivor assistance team in Florida to not go ...
If an attempt is made on a lock that has shallow-drilled pin stacks, the bump key will be unable to bump the shallow-drilled pins because they are too high for the bump key to engage. Locks that only use programmable side bars and not top pins are bump-proof. BiLock is an example of this technology. Many bump-resistant locks are available which ...