| 摘要 |
A ball delivering device for use in batting and racket swinging practice includes a stop and release assembly for reliably controlling the supply of an individual ball to a user's swing path while maintaining the remaining balls in a reservoir. The device is constructed to enhance safety and minimize risk or injury to unattended child users by incorporating an air pressure-actuated feeder for controlling the advancement of balls on an inclined, gravity-fed dispensing channel. The air-based feeder can be foot actuated so that the child may maintain a batter's stance while actuating the delivery of a ball to his swing path.
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