Assembly device

A device for assembling space structural elements comprising a first generally U-shaped collar having an intermediate portion and leg portions, said leg portions having opposing inner surfaces, opposing grooves formed along said inner surfaces of said leg portions so as to extend longitudinally with respect to said first collar, each of said grooves having a beveled face which is undercut with respect to said inner surfaces of said leg portions, a first of the structural elements being selectively receivable within said first collar and intermediate said leg portions, first securing means carried by said first collar for securing the first structural element thereto, an intermediate sole plate having upper and lower surfaces and a pair of outer edges which are of a shape to be cooperatively seated with said opposing grooves in said first collar, an assembly member secured to said upper surface of said sole plate, a second generally U-shaped collar having opposing leg portions having outermost ends, said assembly member being selectively mounted intermediate said leg portions of said second collar and adjacent said outermost ends thereof, a second structural element being selectively receivable within said second collar, and second securing means carried by said second collar for securing the second structural element to said second collar.