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Since I moved in the latch on the bathroom door hasn't worked. There isn't a latch plate on the frame, so I went out and bought one of those for 99 cents. Its an old house, and the lock on the door is operated via skeleton key, and since the damn thing wouldn't retreat into the door, I bought a set of two skeleton keys for 2.99. It turned out I didn't really need any of it, but it was four bucks, which doesn't even buy a gallon of gas, so.. Moving on!
Step 1The beast itself.
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I took the thing out of the door before I thought to document this, so we are starting from me opening up the case to the worky-bits. This is an old door latch. Just the sort of thing I love to tinker with. Shown below is the innards of the lock, as well as what I thought was going wrong.
I did this and it hasn’t happened since. Make a replica of your mail box out of 1/4 th inch steel. This isn't as hard as it sounds it just takes some time and effort. If you know some one with a welder preferably a MIG welder all the better. You can make a box that looks exactly like your original out of 1/4 inch steel. Once completed you will need to sink a square steel tube with 1/4th thick walls that is 2 and 1/2 to 3 inches wide about 4 feet down fill all but the last inch with concrete. Once the concrete is hard weld your mail box to the top of it. Paint to match your original. The next time your mail box smashers come around you won’t hear the thud of a smashed mail box but the scream of some joker’s wrists breaking from the rebound of your box.
It sounds like alot of time and effort but it is worth it not having to replace boxes constantly. Materials shouldnt run you more than the cose of 3 or four mailboxes.