The pickproof lock
A friend of mine asked if I could help him with a lock. The specifications were: I have to be able to lock it from the inside with a knob, and I will not use the key on the outside at all. It is a pretty security aware friend, and he wanted to use a pick- and bumpproof lock. So I gave him the lock you see below. Guaranteed pick and bump proof!
Can you see why?
pickproof lock … can you see why?
Ok, here is what I did: I drilled out three of the caps that hold the springs and pins in place, and replaced the pins with a steel screw. Of course I cut the remaining head of the screw off using an abrasive wheel. If you look closely into the keyway you can see the thread of the screw instead of a smooth pin. Now, I am the first to admit the lock can not be opened from the outside at all, but that was the specification. Because of the steel screws I think the lock is a little bit more difficult to drill and pull out also …
More news soon, as I am still busy and still exploring the new features of this version of the wordpress blog software.