Static structures (e.g. – buildings) – Compound curve structure – Geodesic shape
Patent
1994-05-04
1996-10-22
Canfield, Robert
Static structures (e.g., buildings)
Compound curve structure
Geodesic shape
526551, 52DIG10, 403171, 403217, E04B 138
Patent
active
055665160
ABSTRACT:
A spherical grid for constructing geodesic spheres and portions of spheres. The grid includes a plurality of links interconnecting with a plurality of hubs arranged in a geodesic configuration. The hubs have a cylindrical shape with top and bottom planar surfaces and five or six attachment positions equally spaced around the hub. Each attachment position has radially-extending holes equally spaced around the hub. The links have square recessed ends which engage with the hubs at each attachment position. An insert member affixed inside each end cooperates with a screw extending from inside the hub, through the hub into the recessed end to connect each end to the respective attachment position on the hub. Each recessed end of the links having an upper wall with an interior surface, a lower wall with an interior surface and sidewalls with vertical edges.
REFERENCES:
patent: 2682235 (1954-06-01), Fuller
patent: 4353662 (1982-10-01), DuChateau
patent: 4356910 (1982-12-01), Ford
patent: 4669909 (1987-06-01), Inchaurbe
patent: 5048995 (1991-09-01), Beaulieu
patent: 5088245 (1992-02-01), Anderson
patent: 5398475 (1995-03-01), Kraus
Canfield Robert
Skyline Displays, Inc.
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