How Combination Locks Work
Most combination locks use a wheel pack; a set of wheels that work together to 'know' the combination. All wheel packs are all designed around the same principle. The typical combination lock has a combination dial that is attached to a spindle. Inside the lock, the spindle runs through several wheels and a drive cam.
Article Written By: Robert Valdes
Original Article Posted on: NA
Link to Original Article: https://home.howstuffworks.com/home-improvement/household-safety/combination-lock.htm