Amusement devices: toys – Balanced or self-righting
Patent
1996-07-31
1998-02-24
Yu, Mickey
Amusement devices: toys
Balanced or self-righting
273449, A63H 1500
Patent
active
057206457
ABSTRACT:
A balancing toy set in which a number of balancing members are interconnected on a support and are dependent upon one another for the stable equilibrium of the set. The invention can be constructed in a variety of forms ranging from a simple toy for preschool children to a complex puzzle for adults. The invention is useful both as an amusement device and as an educational tool.
REFERENCES:
patent: 2190800 (1940-02-01), Murphy
patent: 3092384 (1963-06-01), Herne
patent: 3550316 (1970-12-01), MacPherson
patent: 3614106 (1971-10-01), Morrison
patent: 3717340 (1973-02-01), Bowers
patent: 4057247 (1977-11-01), Morrison
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