![]() ![]() This lock that was made primarily of wood is considered to be one the major accomplishments of Ancient Egyptian architectural technology. It had a horizontal bolt that was meant to slide in and out of the post. The Egyptian locking mechanism consisted of a post made of wood that was installed in a door. Not only that, they were also made of wood. But the Egyptian versions of the Pin Tumbler lock were quite large at a length of about 30-60cm. Pin Tumbler Locks have been securing London homes and businesses since their invention in the 1800s.Īccording to archaeological evidence, the original Pin Tumbler Lock was designed by ancient Egyptians about 4,000 years ago. What is the history of Pin Tumbler Locks? The Pin Tumbler’s lock mechanism consists of Key pins (bottom pins), Driver pins (top pins), a plug, the cylinder, springs, and a cam. But for this amalgamation of locks to actually work together to lock and unlock a door, the inserted plug must be able to rotate while in its cylinder housing. The cylinder lock is identifiable by its outer casing with its cylindrical hole that can be plugged with a Pin Tumbler Lock of your choosing. Most Pin Tumblers are installed into cylinder locks. Examples of said modern designs are the Axial/Tubular lock, and the Dimple lock. Slight changes and upgrades to the location of a pin tumbler’s components are what birthed the more modern designs of pin tumbler locks. The average Pin Tumbler Lock’s design utilises a blade’s edge as the primary bitting area. Because of this design, the wrong key will not fit into the locking mechanism and this will render the mechanism’s plug unable to rotate with the use of a false key. ![]() In the event all the pin stacks become separated the mechanism’s plug can rotate with ease and engage the locking bolt to unlock or lock a door. Every single stack needs to be properly raised in order for the pins to become separated at the shear line. How do Pin Tumbler Locks work?Ī Pin Tumbler lock consists of a sequence of pin stacks that are held down with the help of a spring. The In-Line PT on the other hand has pins that are arranged in a line and it makes use of a key that’s mostly flat. The RPT has pins that are arranged in a radial format and uses a round key to engage or unlock it. These are the In-Line Pin Tumbler (In-Line PT) and the Radial Pin Tumbler (RPT). ![]() Two main variations of Pin Tumbler Locks can generally be found on the market. ![]()
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