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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.
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.
U.S. consumers who were “tricked” into purchases they didn't want from Fortnite maker Epic Games are now starting to receive refund checks, the Federal Trade Commission said this week. Back in ...
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 ...
Why did Katie Holmes split from Jamie Foxx? Holmes and Foxx never gave an official reason for ending their relationship, but Us Weekly reported that lifestyle differences were a big part of the ...
Designed with five shelves, this foldable unit is designed to provide ample storage space when and where you need it. Each shelf holds up to 250-pounds of storage without the wheels, or 200-pounds ...
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.