Amusement devices: games – Puzzles – Take-aparts and put-togethers
Patent
1999-08-05
2000-12-26
Wong, Steven
Amusement devices: games
Puzzles
Take-aparts and put-togethers
273160, A63F 908
Patent
active
061646490
ABSTRACT:
A puzzle comprising a first puzzle unit having a semi-cubical first portion pivotally connected to a second semi-cubical portion. The portions are moveable to a closed position wherein the puzzle unit has a cubical shape formed by six walls of equal size. A biasing compression spring acting between the first and second portions urges the puzzle unit portions away from each other about the pivot towards an open position. A first triangular shaped cut-out is defined by the first unit portion and a second triangular shaped cut-out is defined by the second unit portion. The first and second cut-outs are arranged such that when the first and second unit portions are moved into abutting contact, the cut-outs confront each other and define a diamond shaped opening in opposed side walls of the puzzle unit. A first protruding member extends from a side wall of the first unit portion and a second protruding member extends from a corresponding side wall of the second unit portion. The members are arranged such that when the first and second portions are moved into an abutting position, the members define a protrusion that is sized to be received in a recess defined by an adjacent puzzle unit, such that maintaining closure of the adjacent puzzle unit maintains the first puzzle unit in its closed position.
REFERENCES:
patent: D237640 (1975-11-01), Baynes
patent: 4008526 (1977-02-01), Swett et al.
patent: 4246718 (1981-01-01), Chatani
patent: 5106093 (1992-04-01), Engel
patent: 5116052 (1992-05-01), Pop
patent: 5564703 (1996-10-01), McGuire
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