Opening a lock will rely on various factors, such as what you have, such as a key or key card. What you know, like a combination and what, like a fingerprint or retinal scan, you are.
To protect their doors or cabinets, most locks use tumbler pins. Unless the right key is used, a pin tumbler lock uses pins of different heights to avoid the lock from opening. Most of these locks are cylinder locks, but they can also be used in other locks.Browse the link now locksmith.
Archeologists found one of the first locks ever made at Emperor’s Sargon II Palace in Khorsabad. The lock used the principle of pin tumbler which is still in use today and has lasted for more than 4000 years!
There is evidence that locks were built independently of each other by many civilizations. The original lock of the Greek was much simpler than the locks of Emperor Sargon II, but it still existed. Most famously, in a poem called The Odyssey, Homer mentioned a key that pushed a bolt.
By enclosing the locks with iron and using iron or bronze for the key, the Romans improved the bolt-work of the Greek. Making intricate designs for the keys they made would not be unusual for locksmiths so that the keys could be worn as jewelry since most Romans wore togas without pockets.
For many years, the safety of the lock has not changed. Most of the improvements in the design of the key and locks originated from Europe, with little alteration to the core principle of the Roman.
That changed in 1778 when the pin tumbler principle was added by Robert Barren to wards for increased safety. He used six tumblers for opening the lock, which had to be lifted to the right height. It prevented small objects from being used to open the lock easily.
In 1798, Joseph Bramah improved the model by proposing that the tumblers would become inconsistent so that the key could not be repeated easily depending on the lock and only a master locksmith would be able to unlock the lock’s mystery.
Jeremiah Chubb created a lock for locksmiths, which was a major improvement. Renowned thieves and locksmiths tested it and no one was able to pick it. That was until 1851, when it was picked in less than half an hour by an American locksmith.