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The modern bored cylindrical lock was invented by the German-born engineer Walter Schlage [4] in 1923 [5], as an innovation on a patent filed in 1920 [6] for a lock whose installation required a face bore and surface rabbet, simplifying door preparation compared to a traditional mortise lock.
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.
Walter Reinhold Schlage (1882–1946) was a German-born American engineer and inventor. Known as the Lock Wizard of Thuringia , he is best known for the bored cylindrical lock and the lock company that bears his name, Schlage Lock Co.
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]
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Manufacturers of mortise locks in the United States include Accurate, Arrow, Baldwin, Best, Corbin Russwin, Emtek Products, Inc, Falcon, Penn, Schlage, Sargent, and Yale. Distributors such as Nostalgic Warehouse carry a wide range of decorative trim and accessories to dress up the appearance of a lock installation.
Luckily, there are a lot of great online resources with free TDEE calculators, including ours. This article originally appeared on ForHers.com and was syndicated by MediaFeed.org. More from MediaFeed:
Thus locksmithing, as its name implies, is the assembly and designing of locks and their respective keys by hand. Most locksmiths use automatic and manual cutting tools to mould keys; most are power tools having battery or mains electricity as their power source.