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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]
This is an accepted version of this page This is the latest accepted revision, reviewed on 5 February 2025. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including: exterior doors of residential and commercial buildings, internal doors, cupboard ...
Walter Schlage – engineer, inventor, and businessman; founder of Schlage Manufacturing company in San Francisco; John Schnatter – founder of Papa John's Pizza; Jacob Schiff – banker and philanthropist; Julius Schmid – creator of the Sheik condom and the Ramses condom [174] [175] Charles M. Schwab – steel magnate (Bethlehem Steel) [176]
Willi Schlage (24 December 1888 – 5 May 1940 in Berlin) was a German chess master and trainer. Active as a player during the inter-war years of the Weimar Republic and later as a trainer during the rise of the Third Reich, Schlage is remembered for a game depicted in the science fiction film 2001: A Space Odyssey, which chess writers attributed to him.
Historically the most common type of Ice tool uses a specialized leash that snugly grips the climbers wrist. The length of the leash is adjusted so that when a climber hangs on a leash their hand remains at the tool's handle portion of the axe shaft. This allows the climber to rest on the axe placement by applying minimal grip to the axe shaft.
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