I was wondering about what makes a lock tick, and what better way than an exploded view
Really knowing what everything looks like can probably help a bit, right?
Just as an example, I picked Abloy, and found this:
Scary looking bugger, isn't it. That's an awful lot of parts for such a small thing, don't you think? I had to scale it down a bit, this is 50% size, but it kept the detail pretty good 
