Modular frame structure and building system

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Details

52 81, 52648, 52DIG10, D25 4, A63B 900

Patent

active

046038531

ABSTRACT:
A system of interconnectable modular frame components for construction toys, playground climbing equipment and the like is based upon tubular triangular leg elements joined at about fifty-four degrees, forty-four minutes and seventy degrees, thirty-two minutes, being thereby modularly stackable at specific useful orientations. Complete triangular wall elements are joined with other complete triangular wall elements, forming tetrahedral modules which are then combined with other such modules by transverse attachment of the tubular legs of each said module, the tubular legs being coextensive structural elements in structures built from attached modules.

REFERENCES:
patent: 2810233 (1957-10-01), Jakobsen
patent: 3339920 (1967-09-01), Moritz
patent: 3733762 (1973-05-01), Pardo
patent: 3974600 (1976-08-01), Pearce
patent: 4097043 (1978-06-01), Rudy
patent: 4129975 (1978-12-01), Gabriel
patent: 4308698 (1982-01-01), Fleishman
patent: 4309852 (1982-01-01), Stolpin
patent: 4446666 (1984-05-01), Gilman

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