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This series would ultimately culminate in U.S. patent 1,674,841, filed in 1923, [8] which was sold commercially as the Schlage "A" series lock. [3] Schlage would later make a 1925 filing for a push button cylindrical lock fusing the two 1920 patents with the 1923 patent. [9] Schlage's first shop was at 229 Minna Street, [10] and he moved to 461 ...
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.
A deadlocking latch bolt (deadlatch) is an elaboration on the latch bolt which includes a guardbolt to prevent "shimming" or "jimmying" of the latch bolt. When the door is closed, the latch bolt and guardbolt are retracted together, and the door closes normally, with the latch bolt entering the strike plate.
Captured Messerschmitt Bf 110G-4 fuselage showing the twin MG FF/M Schräge Musik installation, with the cannon muzzles just protruding from each side of the top of the rear cockpit, France c. 1944 Schräge Musik ( German pronunciation: [ˈʃʁɛːgə muˈziːk] ) was a common name for the fitting of an upward-firing autocannon or machine gun ...
A mug shot of the "Night Stalker" serial killer, who perpetrated a series of brutal murders in the Los Angeles area in 1984 and 1985. On Sept. 20, 1989, Ramirez was charged with 13 counts of ...
A 43-inch R2-D2 unit, crafted from parts used during the original trilogy, recently sold at auction for an incredible $2.76 million — far surpassing its $2 million pre-sale estimate.
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.
The holiday season is incomplete for many people without holiday movies. This year, Netflix is streaming a wide range of Christmas classics and original movies.
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