Amusement devices: toys – Rolling or tumbling – Including intrinsic motive power means for propulsion
Patent
1993-09-20
1995-04-25
Yu, Mickey
Amusement devices: toys
Rolling or tumbling
Including intrinsic motive power means for propulsion
446443, A63H 2900
Patent
active
054094143
ABSTRACT:
This invention relates to a toy sphere and in particular to one including an annular member provided with a circular groove at both sides, a plurality of internal gear teeth at an inner surface, and two opposite eccentric pins at an outer surface, a power seat threadedly engaged with the internal gear teeth of the annular member and having a motor electrically connected with batteries, an upper hemispherical housing having internal threads, a lower hemispherical housing having external threads engageable with the internal threads of the upper hemispherical and having two aligned holes engaged with the two opposite eccentric pins of the annular member.
REFERENCES:
patent: 2535396 (1950-12-01), Dube
patent: 3798835 (1974-03-01), McKeehan
patent: 4601675 (1986-07-01), Robinson
Lei Alfred
Yu Mickey
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