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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]
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.
The term "warded lock" refers to the lock mechanism, while the term "mortise lock" refers to the bolt location. Warded locks contain a series of static obstructions, or wards, within the lock box; only a key with cutouts to match the obstructions will be able to turn freely in the lock and open the latch. [4]
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 ...
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High school football enthusiasts who want to place a bet on a big game have no choice but to turn to an offshore site. Accepting a wager on high school sports is outlawed in Nevada and other U.S ...
A video taken in Utah over the weekend captured a rare, mesmerizing weather occurrence known as a "snownado." According to the World Meteorological Organization (WMO) and The Weather Channel, a ...