Push Button Locks
The Evolution of Pushbutton Locks
Mechanical pushbutton locks were an early alternative to having to carry a key. A person would simply enter the single access code into the door lock mechanism. If the code was correct, the thumb turn, knob or lever could be rotated. The deadbolt or spring latch would retract and access could be gained.
A number of mechanical pushbutton locks have been developed over the last half century. From my limited research, the Kaba Ilco Unican 1800, introduced in 1965, is one of the oldest...
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- Codelocks CL 300 Series Brings Single-Code Keyless Entry To Any Swinging Door
Article • January 2nd, 2013
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- ResortLock RL4000
Product • July 10th, 2012
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- LockState
Company • June 1st, 2012
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