It could be that the prior owner modified both the table and the bunk??
If you don't get an answer here, maybe post a photo of each of them -- we might be able to offer some suggestions.
Good luck, and keep asking questions!! And welcome to the club!
By the way, where are you located, and where are you going to travel?
2012 Fun Finder X-139 "Boondock Style" (axle-flipped and extra insulation)
2013 Toyota Tacoma Off-Road (semi-beefy tires and components)