Menu News Top News from Yale Inspired by the Egyptians Image of an Ancient Egyptian wooden lock with pins, the model used by Linus Yale for his inventions, but his most important invention was the Yale Cylinder lock. The Pin-Tumbler invention Yale’s best known lock design is the cylinder pin-tumbler lock. The pin tumbler lock is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key. Yale Product Archive Image of an Ancient Egyptian wooden lock with pins, the model used by Linus Yale for his inventions, but his most important invention was the Yale Cylinder lock. The Classic Yale Story Image of an Ancient Egyptian wooden lock with pins, the model used by Linus Yale for his inventions, but his most important invention was the Yale Cylinder lock. The Pin-Tumbler invention Image of an Ancient Egyptian wooden lock with pins, the model used by Linus Yale for his inventions, but his most important invention was the Yale Cylinder lock. The Classic Yale Story The original Yale showroom in the Chrysler Building, New York City, USA. Read more