| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which is manufactured at low cost, allows the game ball colliding with obstacle spikes to rebound well, prevents breaking of the game board even when collision of the game ball with the obstacle spike is repeated for a long time and can inhibit thermal deformation of the game board when it is operated for a long time. SOLUTION: In a pachinko machine 1, a game board 3 set in the front is formed with a laminated acrylic resin surface material 3a and a polycarbonate substrate 3b which is more heat-resistant than the surface material 3a in the thickness direction. Furthermore, a gapαis formed between the surface material 3a and an obstacle spike 7 in sections where the obstacle spikes 7 are set in the game board 3. COPYRIGHT: (C)2009,JPO&INPIT
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