Since the 18th century, there have been a number of famous safe locksmiths in the West. They have continuously improved and invented safe locks, and their patents have made indelible contributions to the world lock industry and the development of the safe industry.
In 1778, Robert Barron patented a double-acting vane lock and for the first time made a reasonable improvement in the safety of the lock.
In 1784, Joseph Bramah patented the security lock. Nobody could break it for 67 years. AC Hobbs spent at least 50 hours opening it.
In 1818, Jeremiah Chubb patented the detection lock and was awarded by the government. This kind of lock is considered to have no other way than to open it with its own key.
In 1848, Linus Yale invented a pin lock, and his son later improved the lock using a flat key with a serrated edge. Their invention laid the foundation for the development of the pinball lock.
In 1857, James Sargent invented the world's most successful variable key combination lock. His lock was welcomed by safe manufacturers and the U.S. Treasury Department at the time. In 1873, James Sargent obtained a patent for a time lock, which became the prototype of the bank vault lock.
In 1861, Linus Yale Jr. patented a cylindrical pin lock. In 1862 a modern code lock was invented.
In 1916, Samuel Segal (former New York City Police) invented the first jimmy proof lock and Segal obtained at least 25 patents.
In 1921, Soref established Master Lock Co., Ltd. and obtained a patent for an improved padlock. In April 1924 he obtained a patent for his new lock cover. The padlocks made by Soref are made of composite steel plates and are made of a metal-layered structure that is very durable and similar to the bank vault door.
The development of all safe locksmiths and their safe locks listed above not only promotes the rapid development of the locks and safes industry, but also makes a tremendous contribution to the security business.
Information from China Safe Exchange/
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