Amusement devices: games – Board games – pieces – or boards therefor – Collapsible board
Patent
1993-02-11
1994-07-19
Layno, Benjamin H.
Amusement devices: games
Board games, pieces, or boards therefor
Collapsible board
273287, A63F 300
Patent
active
053301978
ABSTRACT:
A folding game board is provided which consists of a unitary thin plastic member divided into segments by at least one pair of parallel grooves having nadirs separated by a zenith. Each folding segment has one or more ridges on its face, preferably at least two of them in non-parallel planes perpendicular to the face, and a main body or segment of the board having corresponding ridges defining surfaces in non-parallel planes perpendicular to the face, non-parallel planes being aligned so that the mating ridge surfaces provide a frictional interface therebetween when the segments are folded at the nadirs into juxtaposition with the main body of the board. Preferably, one of the nadirs will be shallower than the other of the nadirs so as to increase the force exerted by the folding junction to maximize the frictional normal force. In its preferred embodiment, the game board will be square and the folds will define equal right isosceles corners about the square which symmetrically fold toward the center of the square.
REFERENCES:
patent: 4185834 (1980-01-01), Mozzi et al.
"Balance", Present Games LTD., 1987.
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