| 摘要 |
A master fitting is disclosed adapted to be subdivided into a set of vertex fittings for use in a truss structure which comprises a plurality of frame elements. Interchangeable vertex fittings with accurately aligned surfaces, slots and holes are provided at a low cost. The vertex fittings are adapted to form the frame elements with mating struts, or to form hinge joints for interconnecting groups of frame elements. The invention permits ease of assembly and quick and easy removal and replacement of a strut in the truss structure. |
