| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine in which a spherical body is unexpectedly rolled at random and it is hard to transmit vibration to a case. SOLUTION: The machine includes: the case 2 having a hemispherical inner peripheral surface, through-holes 7 formed on the bottom surface, and hemispherical recessions 6 for storing the spherical body 5 on the upper surface; a vibration board 3 which is arranged inside the case 2 and has abutment members 18 to be projected from the through-holes 7 into the hemispherical recessions 6 and brought into contact with the spherical body 5; and a vibration mechanism 4 for vibrating the abutment members 18 by vibrating the vibration board 3. COPYRIGHT: (C)2005,JPO&NCIPI
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