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Kid invents door locking system.
Justinkase has now gone viral after the parkland shooting and the.
Justin rivard invented a new lock to help schools protect their students in case there was an active shooter in the building.
Improved childproof door lever lock 4 pack prevents toddlers from opening doors.
Unlike other products justinkase does not allow a door to open even a crack which means students staff can remain safe.
Easy one hand operation for adults.
In 1836 a new jersey locksmith soloman andrews developed a lock that had adjustable tumblers and keys which allowed the owners to rekey the lock anytime.
Kkmoon 12v universal car remote central kit door lock locking vehicle keyless entry system with 2 remote control 3 8 out of 5 stars 94 12 99 12.
News teacher invents emergency school door lock an iowa teacher invents a school door lock which is designed to be installed in seconds to keep dangerous intruders out of classrooms.
A regular lock found on a residential perimeter door is typically a deadbolt configuration with a thumbturn on the inside for retracting the deadbolt.
Throughout human history door locks have been used as the basis of security systems with a primary function of restricting use access of certain spaces from unwanted users.
Children with special needs even as young as 3 4 years old are not intimidated by the keyed in lock on the door.
These lock systems have seen many enhancements and changes over the centuries and have shaped the foundation of modern security systems today.
In the 1850s two inventors andrews and newell patented an essential and new feature lock removable tumblers that could be disassembled and assembled.
Simple install no tools needed white 4.