| 摘要 |
PROBLEM TO BE SOLVED: To extract a ball caught in the part where a hammer and a ball collide with each other. SOLUTION: When a ball P is taken in by a vertical groove in a shooting rail 7 of a ball shooter 2 from a receptacle device 3, when a player operates an extraction mechanism, an extraction opener 12 opens, the ball P taken in by the shooting rail 7 is received by a ball receiving opening portion 22 through a space between the extraction opener 12 and a hammer 6 from the part where the hammer 6 and the ball P collides with each other. Therefore, the ball received into the ball receiving opening portion 22 is discharged into the receptacle device 3 through a connecting passage connecting the ball receiving opening portion 22 and the receptacle device 3 and returned to the player. COPYRIGHT: (C)2004,JPO
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