Connecting assembly for geodesic dome framework construction

Joints and connections – Branched – Three or more radiating members

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52 81, 403176, 403407, 403218, F16D 100, F16D 300

Patent

active

043571182

ABSTRACT:
A connecting assembly consisting of a hub and a plurality of U shaped connecting members for joining the framework of geodesic domes is provided. The hub is formed from a hollow member containing a plurality of radial grooves designed to accept the rectangular end of framing members. The rectangular ends are secured in the grooves by the U shaped connecting members that wrap around the bottom of the grooves of the internal side of the hub and thereafter lie adjacent to the flat end of the framing members. Further, nails, screws or bolts can be used to secure the U shape connecting members to the rectangular ends of the framing members. The frame members extend radially from the center of the hub and are so arranged that the angle between the adjacent framing members is at least 40.degree.. The grooves are so designed that the attached framing members form an angle from 1.degree. to 14.degree. with a plane perpendicular to the central axis of the hub.

REFERENCES:
patent: 2682235 (1954-06-01), Fuller
patent: 3486278 (1969-12-01), Woods
patent: 3635509 (1972-01-01), Birkemeier
patent: 3915101 (1975-10-01), Onori
patent: 3990195 (1976-11-01), Gunther
patent: 4094417 (1978-06-01), Cairnes et al.
patent: 4245809 (1981-01-01), Jackson
patent: 4260276 (1981-04-01), Phillips
patent: 4262461 (1981-04-01), Johnson et al.
Robert W. Marks, "The Dynamoxion World of Buckmister Fuller", Southern Illinois Press, 1960 Harlen Metal Products Inc., Compton, Ca. 90220

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