| 摘要 |
PROBLEM TO BE SOLVED: To discharge static electricity generated when pachinko balls roll out to a back side of a game board. SOLUTION: Special prize holes such as a decorative illumination prize holes 37 or the like are provided on a game board 18. When a pachinko ball enters in the special prize hole, the ball rolls out to the back side of the game board 18 through the special prize hole, and falls along the back of the game board 18. In this structure, a conductive layer 22 is formed on the back of the game board 18, the pachinko balls falling along the back of the game board 18 contact with the conductive layer 22 on the back, so that the static electricity of the pachinko balls is discharged through the conductive layer 22 on the back. Furthermore, the conductive layer 22 is formed by applying a conductive coating on the back of the game board 18, thereby manufacturing workability of the conductive layer 22 is improved and stable quality is obtained.
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