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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 Bush Street, where many of his key patents were developed. [10] The first factory (in 1923) was at 49 Shotwell Street. [3]
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] By then, Schlage had moved to San Francisco. [6]
New Schlage ® Touchscreen Deadbolt Lock Puts Strength and Control at Homeowners' Fingertips Fully loaded multi-function lock unites Nexia ™ CARMEL, Ind.--(BUSINESS WIRE)-- Redefining what it ...
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.
The components of a lockset can include (but are not limited to) the door handles (commonly both inside and outside), latch bolt, dead bolt, face plate, strike plate, escutcheon, thumbturn, push button, turn button, and other trim. The lockset and associated hardware typically defines a door's function and how a user could (or could not) access ...
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