Don,
There is available an inpact driver which is used to tighten and loosen bolts and screws. It accually is hit with a hammer and when such is done it turns to tighten or loosen. I have used this method some what by taking a screwdriver which fits the screw slot and giving it a couple of good raps with a hammer. This tends to shock the threads loose. In this case should you try it be sure to back the screw/frame up from the inside.
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