The key was invented by the people of that country
Ancient EgyptThe primitive man lived in a cave dwelling, and sometimes, for security reasons, he pushed boulders to block the entrance of the cave, and it was not a thief, but a beast. After the private system appeared, the thief appeared, so the lock was born. As far back as three thousand years ago, China had locks. However, the earliest locks had no organs, but only made the shapes of vicious animals like tigers, and tried to frighten the thieves away. It could only be said to be a symbolic lock.
In foreign countries, the ancient Greeks had found a very reliable lock, but it was hard to popularize in the general family because of the big keys. The ancient Indians made another bird shaped "fan lock", the keyhole being hidden in its wings. The rise of modern locks was first invented by the British in eighteenth Century". Our currently widely used billiard lock was invented by American Manirus Yale in 1860.The invention of the key is later than the lock. The ancient Egyptians were the first to use the key in the world. They put a wooden bolt lock is inserted into a groove, groove at the top of a wooden bolt. The bolt insert groove, wooden bolt will insert the bolt hole. As a result, the bolt will is very strong, must be opened by the key to.
It is said that Luban was the first man to lock the office up. According to the unearthed cultural relics and the written records, the ancient lock works on the elastic force of two plate like springs. Until now, this spring was still in use.
Because only the Egyptians used in a lock bolt side, for flexible opening and closing, so the Greeks, on this basis, has developed a can from the other side to open the lock. The Greek key was a curved wooden stick, shaped and sized like a farmer's sickle. But there are some keys that are 3 feet long and have to carry on their shoulders to carry it. It's rather heavy.The ancient Romans can be said to be the most exquisite a locksmith, their study on key manufacturing standards, already know how to cut keys at the end of the nail into different shapes.The Golden Leopard use weapon. Since the key is daily necessities, it is not easy to be taken care of by hands. The key is also the symbol of power and wealth, the Golden Leopard with its hidden weapon, but also reflects his desire to rise head and shoulders above others.
