Wooden Pin Tumbler Lock
The design was essentially an improvement on the simple wooden tumbler lock created by the egyptians.
Wooden pin tumbler lock. Improved upon the design in 1861 inventing the now ubiquitous flat grooved key with notches on the edges. A tubular pin tumbler lock also known as a circle pin tumbler lock radial lock or ace lock after its original manufacturer is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern and the corresponding key is tubular or cylindrical in shape. Basic principles of the pin tumbler lock may date as far back as 2000 bc in egypt. The pin tumbler lock is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key.
The earliest known lock and key device was discovered in the ruins of nineveh the capital of ancient assyria. The bolt was opened or closed when its free end was pushed by the key into or out of a wooden guide in the door frame. In 1843 linus yale sr. There s something about holding and usin.
Sketch by the author. 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. Egyptian pin tumbler locks of wood with wooden key. Inspired by the egyptians image of an ancient egyptian wooden lock with pins the model used by linus yale for his invention of the pin tumbler technology patented june 27 1865.
Patented his pin and tumbler lock now known simply as the yale lock. The beam was drawn aside with a key of the same material. This lock was a wooden pin lock an early predecessor of the pin tumbler lock where pins within the lock are lifted out of holes using a key allowing the lock to move and open. And how would you build one out of wood.
The keys for. Lock picking lawyer s channel. Radial pin tumbler locks rpt where the pins are arranged radially and use a round key in line pin tumbler locks in line pt where the pins are arranged in line and use a flat key many locks in this section are fitted with cams and operate with the same versatility as disc tumbler camlocks found in the cam locks section. How do the locks on your doors work.
The lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post. Most locks use between six and eight pins although some use as few as four or as many as ten. The bolt had vertical openings into which a set of pins fitted.