Patent ID: 8615960

Claim:
A hub configured to join frame members in a space frame truss, the hub comprising: a main portion having a rectangular cross section and a longitudinal axis; and two tabs protruding from one side of the rectangular main portion, each of the two tabs having two spaced apart outer sides and a spanning surface joining distal ends of the outer sides, wherein for each of the two tabs a tab width extends across the outer sides at that main portion and a tab height extends from the spanning surface to the main portion, and wherein each of the two tabs has an aspect ratio that is the ratio of the width of the tab to the height of the tab, and wherein the aspect ratio is between 0.25 and 4.0; wherein each of the two tabs has a respective plane of symmetry between the outer sides of the respective tab, and wherein each of the planes of symmetry includes the longitudinal axis of the main portion.