Three-dimensional puzzle

Details Three-dimensional puzzle Three-dimensional puzzle

1993-02-19

1994-08-16

Millin, Vincent

Amusement devices: games

Puzzles

Folding and relatively movable strips and disks

273153P, A63F 908

Patent

active

053380347

ABSTRACT:
A three-dimensional puzzle which consists of several mutually permanently connected puzzle bodies which result in a regular tetrahedron in the assembled condition. In this case, all puzzle bodies are parts of irregular pyramids whose apexes, in the assembled condition, all meet at one point in the interior of the tetrahedron and whose bases form the tetrahedron surfaces in the assembled condition. All puzzle elements are also combined to a chain, specifically such that all puzzle elements, with the exception of the first and the last element, are in each case connected with the adjacent puzzle elements while they can be folded along an edge of the pyramid base.

REFERENCES:
patent: 2992829 (1961-07-01), Hopkins
patent: 3662486 (1972-05-01), Freedman
patent: 3746345 (1973-07-01), Palazzolo
patent: 4142321 (1979-03-01), Coppa
patent: 4323244 (1982-04-01), Busing
patent: 5108100 (1992-04-01), Essebaggers et al.
International Preliminary Examination Report dated Jan. 26, 1993.

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