| 摘要 |
PROBLEM TO BE SOLVED: To provide a pitching machine that can arbitrarily set rotation in a pitching direction and rotation in a twisting direction to a ball to be thrown.SOLUTION: The pitching machine includes: a plurality of throwing rollers rotated in the direction of holding and throwing a ball; and a gyro roller rotated in a prescribed twisting direction or an opposite direction to the throwing direction when the ball is thrown by the throwing rollers, and imparting twisting rotation to the thrown ball or eliminating the rotation. |
