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US 4,625,967 AGranted
Movable surface global puzzle
OwnerChin-Lai Yuinventor
Life of this patent
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OwnerChin-Lai Yuinventor
Estimating the term…
A movable surface global puzzle includes a magnetic core and a concentric shell spaced from and surrounding the core, the shell is divided into component sections as defined by planes passing through a center of the core, and is magnetically held to the core. A plurality of ball bearings interposed between the shell and the core provide for slidable movement of the shell sections about the core and relative to each other. A world map, geometric design or similar pattern is depicted on the surface of and extending over several sections. The object of the puzzle is to rearrange a random distribution of the shell sections by a series of shiftable movements so as to recreate the composite or mosaic pattern. In an alternate arrangement a handle is provided for removal of one or more shell sections from the core to provide an alternate method of play and to facilitate solving the puzzle.
A movable surface global puzzle comprising a hollow central core, said central core including an outer spherical surface and an inner spherical surface, a shell spaced from and surrounding said core, said shell having at least two component sections, permanent magnetic means for providing an attractive interaction between the core and the shell wherein the outer spherical surface defines a region of magnetic polarity and the inner spherical surface defines a region of opposite magnetic polarity, slide means interposed between the shell and the core, said slide means providing for slidable displacement of the shell with respect to the core and relative movement between respective shell sections.
A movable surface global puzzle comprising a hollow spherical core having an outer and an inner spherical surface, said core being adapted for providing a magnetic field, said magnetic field including a region of magnetic polarity along the outer spherical surface and a region of opposite magnetic polarity along the inner spherical surface, a concentric shell surrounding the core, said shell being magnetically attracted by said magnetic field to said core, said shell further being divided into at least two sections, ball bearing slide means disposed between the outer spherical surface and concentric shell sections for providing shiftable displacement between the shell sections during concomitant movement of the shell sections about the core.
Dependencies are inferred from the claim text.