Engineering · The shear line
How does a key turn a lock?
What you’ll see
Each cut in the key lifts a pair of pins to its own height. Only the right key lines up every gap between the pins on the shear line at once, and then the plug is free to turn.
Engineering · The shear line
Each cut in the key lifts a pair of pins to its own height. Only the right key lines up every gap between the pins on the shear line at once, and then the plug is free to turn.
