Articulating hub asssembly

An articulating hub assembly suitable for use in collapsible structures, said assembly comprising:

• a hub body having a periphery, a central opening therethrough and a plurality of radial slots extending inwardly from said periphery of said hub body, each of said radial slots in said hub body having a discontinuous groove located perpendicular thereto, said hub body also having a series of openings extending through said hub body, said openings being positioned radially between each of said radial slots and between said periphery and said central opening of said hub body;
• a hub cover having a periphery, a central opening therethrough, a plurality of radial slots and a series of openings extending through said hub cover, said hub body and said hub cover being assembled contiguously so that said central opening, said radial slots and said openings of said hub cover are in registry with said central opening, said radial slots and said openings of said hub body;
• removable fastening means, said removable fastening means extending through said openings in said hub cover and being secured in said openings in said hub body;
• an integrally formed keeper element having a top and a shaft extending downwardly therefrom, wherein said shaft is capable of being inserted and withdrawn from said central openings of said hub body and said hub cover, said shaft having means for securing said hub cover to said hub body;
• a plurality of tangs, each of said tangs having a first and second sides, said each tang comprising a head section with a roll pin extending from each of said sides, said head section of said tang being positioned in one of said radial slots of said hub body and said hub cover in registry therewith, said tang being held in place by said roll pin nested in said discontinuous groove;
• and
• a cylindrical plug having a crown and a structural element secured to said tang.