The Mechanics of Locks

The video tutorial explains the common household Yale locks, focusing on the cylinder pin tumbler lock mechanism. It traces the history of the lock's invention by Linus Yale Jr. and describes how the lock operates. The tutorial details the interaction between the key and the lock's internal pins, explaining how the correct key allows the lock to open by aligning the pins, while an incorrect key keeps the lock closed.

Describe the role of the springs in the locking mechanism.

What is the significance of the jagged edges of a key?