| 摘要 |
The invention is a big ball serving apparatus for sport games. The apparatus consists of the ball serving apparatus fixed on wheeled chassis, therefore, the ball serving apparatus can be turned in vertical and horizontal directions. The ball serving apparatus comprises a guiding space and shooting opening for guiding and shooting the ball. The apparatus also comprises the supporting unit, comprising the supporting rods placed in the receiving openings (13), and pins (9) attached to the external surface of the vertical element (18) of the supporting unit (8). Pins (9) are connected in a rotating manner to the fixing unit (12) of the chassis (2), making possible to turn the ball serving apparatus (1) in vertical direction to an angle a, and at the same time, the ball serving apparatus can be turned in horizontal direction up to an angle β in the horizontal direction with the help of disk bearing (4) of the rotating unit. The possibility to turn the ball serving apparatus in horizontal and vertical direction is provided. |
