Hub assembly for collapsible structures

Details Hub assembly for collapsible structures Hub assembly for collapsible structures

1986-12-11

1989-06-13

Friedman, Carl D.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Components adjustably or collapsibly connected

403171, 403176, 403174, E04H 1218

Patent

active

048380032

ABSTRACT:
A hub structure for a collapsible frame which comprises a pair of similar members having radiating arms. The hub members are in contact with each other such that the arms are in interdigitated relationship. The arms have pivot attachment points for struts and all of the pivot points lie in the same plane.

REFERENCES:
patent: 1092217 (1917-04-01), Hopkins
patent: 3771274 (1973-11-01), Vaughan
patent: 3861107 (1975-01-01), Papayoti
patent: 4280521 (1981-07-01), Zeigler
patent: 4460288 (1984-07-01), Schaff
patent: 4473986 (1984-10-01), Zeigler

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