Toy with turnable elements for forming geometric shapes

Details Toy with turnable elements for forming geometric shapes Toy with turnable elements for forming geometric shapes

1981-07-24

1983-07-12

Shay, F. Barry

Joints and connections

Interfitted members with external bridging piece

403 96, 273153S, A63H 3300

Patent

active

043923232

ABSTRACT:
A toy for constructing different geometric shapes has a plurality of hollow prismatic identical toy elements having a triangular base and quadratic faces. The elements are connected at two faces to adjoining elements by spring biased headed pins passing through aligned throughbores in the centers of the two faces to permit relative rotation about axis normal to the two faces. The elements are maintained in any one of a plurality of angular orientations by projections on one of the two faces of each element and depressions in the other face of each toy element.

REFERENCES:
patent: 604708 (1898-05-01), Burton
patent: 2877506 (1959-03-01), Almoslino
patent: 3222072 (1965-12-01), Dreyer
patent: 3367063 (1968-02-01), Bondesen et al.
patent: 3514893 (1970-06-01), Paksy
patent: 3576087 (1971-04-01), Gardel et al.
patent: 3597872 (1971-08-01), Vennola
patent: 3757458 (1973-09-01), Thorn
patent: 4026065 (1977-05-01), Dick
patent: 4030209 (1977-06-01), Dreiding

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