Quote Originally Posted by Bob Parmenter View Post
There should be seams at each top corner. If you look along the edge at the corner there should be a screw going through the top bar to the uprights or a couple on the sides of the upright going into an L bracket coming down from the top bar. If it's an older or original they could be well rusted in and require very careful drill out.
I'll have to ask them to check again for these screws along the top.. Thanks for the direction(s)