| 摘要 |
PROBLEM TO BE SOLVED: To entertain great interest to a player by a center roll. SOLUTION: The center role 20 comprises spiral rolling guide members 60a and 60b which are extended nearly in parallel to the width direction of a pachinko game machine, which is in the state of a transparent cylinder and which guides a pachinko ball B to roll spirally on its inner peripheral surface. In the inside of the spiral rolling guide members 60a and 60b, a ball receiving member 80 provided at a position higher than its bottom is provided, so that the pachinko ball B which has reached the ball receiving member 80 and the pachinko ball B which has not reached the ball receiving member 80 flow through paths different from each other and thereafter flow out from the center role 20 in different directions through a flow out part 37. COPYRIGHT: (C)2006,JPO&NCIPI
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