How old is my padlock

The invention of padlocks dates back to B. Padlocks quickly advanced in technology and function due to their necessity. The basic shape of a padlock consists of the case, the solid part of the lock where the key fits, and the shackle, the U-shaped piece of metal that disconnects from the case on one side. With so many types of antique padlocks, you can choose to collect just one type or have a varied collection that spans the ages.

Look at the shape. There are many different types of padlocks, ranging from practical shapes to more decorative ones. Rectangular and circular locks are most common; they differ in the size, shape and girth of the shackle. Decorative-shaped locks are often easier to identify because they are rarer. The earliest patent for a double-acting pin tumbler lock was granted to American physician Abraham O. Stansbury in England in , but the modern version, still in use today, was invented by American Linus Yale, Sr.

But, other famous locksmiths patented their lock designed before and after Linus. The first serious attempt to improve the security of the lock was made in in England. Robert Barron patented a double-acting tumbler lock. Joseph Bramah patented the safety lock in Bramah's lock was considered unpickable.

The inventor went on to create a Hydrostatic Machine, a beer-pump, the four-cock, a quill-sharpener, a working planer, and more. In , James Sargent invented the world's first successful key-changeable combination lock. His lock became popular with safe manufacturers and the United States Treasury Department. In , Sargent patented a time lock mechanism that became the prototype of those being used in contemporary bank vaults.

Samuel Segal former New York City policeman invented the first jimmy proof locks in Segal holds over twenty-five patents. Soref founded the Master Lock Company in and patented an improved padlock. In April , he received a patent U. S 1,, for his new lock casing. Soref made a padlock that was both strong and cheap using a case constructed out of layers of metal, like the doors of a bank vault.

He designed his padlock using laminated steel. Linus Yale invented a pin-tumbler lock in American, Linus Yale Jr. Yale invented the modern combination lock in There are a few differences, but all in all, that's it.

Thanks for the link! User Name Remember Me? Antique padlock--how old? I found this lock today, ,and I was trying to get an idea of how old it is. I think it says "Corbin" on the front. I googled it, but saw no locks like it. Your right its a bronze corbin lock early 's. Is there a patent on the back that you could research?

Originally Posted by bruinvikes View post Is there a patent on the back that you could research? Originally Posted by jwebs View post There aren't any visible letters or numbers on the back.

All times are GMT The time now is AM.