Polyhedral elements with undercut recesses and cylindrical conne

Details Polyhedral elements with undercut recesses and cylindrical conne Polyhedral elements with undercut recesses and cylindrical conne

1975-11-14

1977-05-31

McNeill, G.E.

46 26, A63H 3308

Patent

active

040260658

ABSTRACT:
A group of building blocks made from plastic to create area- or volume-shaped designs including cube-shaped basic elements connecting elements by which means a basic element is connected to another basic element. The connecting elements are cylinders with rounded collars which are forced into undercut recesses in the base elements. The base elements may be straight prisms or other polyhedral shapes. Several base elements may be formed in one piece. The connectors may be integral or separate and the connectors and base elements may have communicating bores.

REFERENCES:
patent: 2100658 (1937-11-01), Finch
patent: 2791868 (1957-05-01), Viken
patent: 2855206 (1958-10-01), Haviland
patent: 3374917 (1968-03-01), Troy
patent: 3389493 (1968-06-01), Zysset

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