How Was The Door Lock Invented

In 1873 sargent patented a time lock mechanism that became the prototype of those being used in contemporary bank vaults.

How was the door lock invented.

When was the door lock invented. Locks have been around since man first decided to keep his belongings to himself. It consisted of the wooden post that was affixed to the door and a horizontal bolt that slid into the post. As everest and yale launch a revolutionary new smart lock we look back at the history of locks and keys from wooden locks in ancient egypt to 21st century keyless locks.

In 1857 james sargent invented the world s first successful key changeable combination lock. What separates the egyptian lock from later inventions is the fact. He improved on his father s design for small key and tumbler locks and invented the first modern cylinder lock. Early locks may have been made of wood.

Next the inventor turned his attention to general use locks. The oldest preserved door locks we have ever found belong to the ancient egyptians and date back to at least 2000 b c. Yale then developed the first combination lock eliminating the need for a key. The earliest known lock and key device was discovered in the ruins of nineveh the capital of ancient assyria.

Locks such as this were later developed into the egyptian wooden pin lock which consisted of a bolt door fixture or attachment and key when the key was inserted pins within the fixture were lifted out of drilled holes within the bolt allowing it to move. The growing reputation and improved mechanism of it. History of mechanical locks started over 6 thousand years ago in ancient egypt where locksmith first managed to create simple but effective pin tumbler lock that was made entirely from wood. It was designed by the pin tumbler mechanism but used a circular keyway.

In 1933 chicago lock company invented a tubular key lock named the chicago ace lock. Locks with keys have also existed for much of history. Often instead of locking a door people kept valuable possessions in chests or boxes which could be locked. It s believed but not proven that they existed even earlier than that.