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Primus keys will operate non-Primus locks within the same system. Primus blanks and keyways are slightly thinner to prevent the entry of non-Primus keys; however, even if a standard key is altered to allow entry, it will not operate Primus locks. This design was protected until 2007 under U.S. patent 4,756,177.
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]
Allegion plc is an American Irish-domiciled provider of security products for homes and businesses.. Though it comprises thirty-one global brands, including CISA, Interflex, LCN, Schlage and Von Duprin, the company operates through two main sections: Allegion International and Allegion Americas. [4]
Austin, TX, USA, Jan. 27, 2025 (GLOBE NEWSWIRE) -- Custom Market Insights has published a new research report titled “Smart Lock Market Size, Trends and Insights By Product Type (Deadbolts, Lever Handles, Padlocks, Knob Locks, Others), By Technology (Bluetooth, Wi-Fi, Z-Wave, ZigBee, Others), By Authentication Method (Keypad-Based, Biometric, Card-Based, App-Based/Remote Control, Others), By ...
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]
Different from the mechanical lock core, the electronic lock core integrates a miniature electronic single-chip microcomputer, there is no mechanical keyhole, and only three metal contacts are retained. [4] The electronic key is used to unlock the lock. The electronic key needs to set the unlocking authority through the software.