Disc-detainer lock facts for kids
A disc-detainer lock is a super secure type of lock. It's also known as a disc-tumbler or Abloy lock. These locks use special spinning discs instead of the usual pins found in many locks. You use a unique key to turn these discs. This design makes them very hard to open without the correct key.
How Disc-Detainer Locks Work
Imagine a stack of flat, round discs inside the lock. Each disc has a small notch, like a tiny cut-out. When you put the correct key into the lock, it turns each disc to a specific spot. This action lines up all the tiny notches perfectly.
Once the notches are lined up, a special bar can drop into them. This bar then allows the lock to open. If you use the wrong key, the discs won't line up correctly. The bar won't be able to drop, and the lock will stay shut.
What Makes Them So Secure?
Some really good disc-detainer locks, like those made by Abloy, have "false" notches. These false notches feel like the real ones if someone tries to pick the lock. But they don't let the bar drop. This trick makes it almost impossible to pick these locks.
Most disc-detainer locks don't use springs inside. This is a cool feature! It means there's less wear and tear on the lock parts. This helps the lock last a very long time.
See how a disc-detainer lock works in this video!