| 摘要 |
PROBLEM TO BE SOLVED: To solve a failure caused by the delivery of the next ball to a shooting ball standby position where a ball already exists. SOLUTION: In a route for fetching the balls delivered by a ball supplier 10 to the shooting ball standby position of a ball shooting mechanism part 20, a space 5 where one or more balls can be lined is provided. A discharge route 6 for discharging the ball which is brought into contact with the ball already existing at the shooting ball standby position and can not reach the shooting ball standby position is provided. When another ball 1 exists at the normally vacant shooting ball standby position, the ball to be delivered next is discharged from the discharge route 6. COPYRIGHT: (C)2007,JPO&INPIT
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