| 摘要 |
PROBLEM TO BE SOLVED: To provide a stage structure enabling enjoyment of a game to be roused by three-dimensionally swiveling a ball. SOLUTION: A pan-shaped case 6 in which the ball swivels round is disposed in the center of the stage 7. Each of ball guiding members 5 is hung between each of ball introducing parts 4 on sides of the stage 7 and the case 6. Each of long plane members 58 having a protrudent part 55 on one side for a ball guide and plurally wound into a screw shape tapered toward the front can be used as the guiding member 5. The guiding member 5 can be provided with a gap S for a drop of a ball in a space of the plane member 58 wound. One side 56 of the plane member 58 is tilted low to release a stalling ball halfway in a screw motion from the guiding member 5, thereby allowing a game state to be changed. COPYRIGHT: (C)2008,JPO&INPIT
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