Crystal ball having revolving external configuration

Card – picture – or sign exhibiting – Three-dimensional movable figure display device

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Details

40415, 272 31R, 84 952, 74 63, G09F 1908

Patent

active

050706330

ABSTRACT:
This invention relates to a crystal ball having a revolving cover or globe. The crystal ball comprises the torque shaft of a spring driven, music bell, which shaft protrudes from the lower end of the base of the crystal ball, and is fixed to a fixed base. The fixed base envelopes or clads the outside of the casing of the crystal ball, and has an annular gear or rack mounted at the upper end of the fixed base. A radial protrusion at the upper end of the casing of crystal ball has a plurality of vertical orifices, each rotatably mounting a stage comprised of a shaft having a platform fixed to the upper end and a gear fixed at the lower end, the gear engaging the annular rack. By the aforesaid construction, when the torque axle provides a rotational torque to the fixed base due to the spring of the music bell, the crystal ball spins about an axis on a positioning member disposed at the center of the fixed base. Furthermore, as the crystal ball is spinning around, the stages will also spin around, thus making the aforesaid crystal ball give a versatile, dynamic landscape.

REFERENCES:
patent: 1655292 (1928-01-01), Przybylko et al.
patent: 2840949 (1958-07-01), Faulkner
patent: 3082570 (1963-03-01), Pearson, Jr.
patent: 3349661 (1967-10-01), Searls
patent: 4344243 (1982-08-01), Reszka
patent: 4573939 (1986-03-01), Hoshino
patent: 4910897 (1990-03-01), Hsu

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