Rotatable puzzle with octahedral base and connected tetrahedral

Details Rotatable puzzle with octahedral base and connected tetrahedral Rotatable puzzle with octahedral base and connected tetrahedral

1994-05-23

1995-02-07

Millin, V.

Amusement devices: games

Puzzles

Jumping movement

A63F 908

Patent

active

053869931

ABSTRACT:
This invention provides a three-dimensional puzzle, rotatable about three orthogonal axes, the three orthogonal axes consisting of a vertical axis, a first horizontal axis, and a second horizontal axis, the three-dimensional puzzle comprising: a hollow spherical base member having a first hemispherical base member, a second hemispherical base member, and a pivotable connection mechanism for connecting the first hemispherical base member to the second hemispherical base member and for allowing the first hemispherical base member and the second hemispherical base member to rotate in a plane defined by the first horizontal axis and the second horizontal axis; a track mechanism formed by an outer surface of the spherical base member; a plurality of sliding truncated trapezoidal covers slidably mounted in the track mechanism, each of the trapezoidal covers having a radially outward surface which forms one of the eight faces of the octahedral base member; and, a plurality of tetrahedral members, one tetrahedral member pivotally mounted on the radially outward surface of each of the sliding truncated trapezoidal covers.

REFERENCES:
patent: 3659360 (1972-05-01), Zeischegg
patent: 4496155 (1985-01-01), Goldfarb
patent: 4593908 (1986-06-01), Ibrahim
patent: 4600199 (1986-07-01), Krell
patent: 4706956 (1987-11-01), Abu-Shumays et al.
patent: 4836549 (1989-06-01), Flake
patent: 5108100 (1992-04-01), Essebaggers et al.
patent: 5199711 (1993-04-01), Pataki et al.
"Games", Starburst puzzle photo, Jul./Aug. 1982, p. 55.

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