| 摘要 |
A pipe and socket connection for a spacial structure which is comprised of a pipe termination that is coaxial and welded to the end of the pipe and which possesses a hole in which a screw is able freely to rotate, the diameter of the screw head being greater than that of the hole in which it can rotate, a polygonally sectioned body and a threaded end, and where a nut having a polygonal inside shape engages upon the body of said screw, and where means are provided to restrict unwanted axial motion of the screw. |
