Fitting the wedge in a wood body joiner... I recommend contacting our own Steve Voigt to verify my suggestion: lightly sand the back of your wedge with 600 grit (or finer) sandpaper to make it thinner and smoother. When I replace wedges in antique plane rehabs, this same problem crops up. My replacement wedges of White Oak tend to grab the cap iron. Often the wedge must be a little "thicker" to one side, to accommodate bedding misalignment. Voigt.planes@gmail.com
Bed frame repair - I'm just an enthusiastic hack, but I would hesitate disassembling something this old and dry. A couple "bed bolts" or bedframe brackets and an application of "Chair Loc" would be my first attempt at repair. My guess is the tenon is fractured (or broken) and the mortise is enlarged. While hide glue is interesting stuff: it has a learning curve, won't pull a joint this loose tight or fill gaps. http://www.leevalley.com/us/Wood/pag...?p=40445&cat=3
