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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.
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]
Modern time delay combination locks can have many functions such as multiple different codes, pre-set time lock settings (open and close times), pre-set vacation times (e.g. Christmas Day), dual code facility, and a full audit trail providing a detailed record of the lock history showing who opened the lock, when and how long it was open. [3] [4]
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. [2]
These are codes that require a chart or computer program to translate the blind code to a bitting code, which is used to create the actual key. Most key codes are blind codes, and publication of code books or software is restricted to licensed locksmiths in most jurisdictions for security reasons.
A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...
The lock housing is the part of the lock that does not move when the lock is opened. It is responsible for transferring the action of the key to the bolt. [7] Master pin In a pin tumbler lock, a master pin is an optional, usually short, disk-like pin placed between the top and bottom pins. Its purpose is to allow two differently-cut keys to ...
When the identification code of the key matches the identification code of the lock, all available keys are operated to unlock. The internal structure of the lock contains a cylinder, which has a contact (lock slot) that is in contact with the key, and a part of it is an electronic control device to store and verify the received identification ...