Yale, Linus, Jr.

The American inventor of the pin tumbler mortise lock and its replaceable cylinder component.

yoke

n. a component designed to secure cylinders or turn disks in both sides of a mortise lock by means of a single setscrew

yoked

n. a mechanical system uniting two or more combination locks with the ability to be unlocked by any lock or a series of locks

Source: Lock Industry Standards and Training (LIST) Council