| 摘要 |
This invention relates to a bowling game system that prevents a ball from falling into one of gutters with no players noticing. A bowling game system 1 is provided with a bowling ball b in which a plurality of permanent magnets are embedded with their faces along the surface of the ball b being same in polarity, an approach 2 where a player rolls the ball b down, a lane 3 on which the ball b players bowl rolls, a plurality of bowling pins 5 arranged and placed on the end of the lane 3 opposite to the approach 2, trough-like gutters 4 provided longitudinally on the both sides of the lane 3 to receive the ball b slipping off the lane 3, a plurality of electromagnets 21 embedded widthwise on the edges of the lane 3 and provided paralleling the lane 3, and a power source 22 for supplying the electromagnets 21 with electric power to magnetize them. The electromagnets 21 repel the permanent magnets in the ball b to prevent the ball b from falling into the gutters 4.
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