| 摘要 |
PROBLEM TO BE SOLVED: To retain the hitting force of a ball hitting mallet even if the intensity of a driving power source for driving a shooting solenoid is varied. SOLUTION: A dial 60 is rotationally turned to a position according to the intensity of the driving power source for driving the shooting solenoid, so that a player can recognize a present hitting force of the ball hitting mallet by confirming with his/her eyes that an indicator 11 of the shooting handle 10 indicates either scale 61 on the dial 60. When the use condition of an electric component is changed by the operation state of the shooting handle 10, the intensity of the driving power source is varied according to the change in the use state. The dial 60 is rotationally turned from the present position to a new position according to the intensity of the driving power source, so that the player can retain the hitting force of the ball hitting mallet to a favorite fixed strength irrelevant to the variation of the driving source by adjusting the operation amount of the shooting handle 100 to indicate the scale 61 already confirmed by the indicator 11. COPYRIGHT: (C)2007,JPO&INPIT
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