How Was The Door Lock Invented

It was designed by the pin tumbler mechanism but used a circular keyway.

How was the door lock invented.

He improved on his father s design for small key and tumbler locks and invented the first modern cylinder lock. His lock became popular with safe manufacturers and the united states treasury department. 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. Often instead of locking a door people kept valuable possessions in chests or boxes which could be locked.

Locks have been around since man first decided to keep his belongings to himself. When was the door lock invented. Early keys and locks were larger than today and having a key meant being in a position of trust. It s believed but not proven that they existed even earlier than that.

The oldest preserved door locks we have ever found belong to the ancient egyptians and date back to at least 2000 b c. Locks with keys have also existed for much of history. Early locks may have been made of wood. In 1933 chicago lock company invented a tubular key lock named the chicago ace lock.

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. Next the inventor turned his attention to general use locks. Yale then developed the first combination lock eliminating the need for a key. It consisted of the wooden post that was affixed to the door and a horizontal bolt that slid into the post.

What separates the egyptian lock from later inventions is the fact. The earliest known lock and key device was discovered in the ruins of nineveh the capital of ancient assyria. The growing reputation and improved mechanism of it. A number of improved key based bank locks followed.