| 摘要 |
The present invention is a baseball batter practice machine, which offers a convenient, disassemble and assemble easy unit for batter practice. In general, it is composed of a ball, an adjustable plastic shaft, a supporting sleeve, a sleeve setter, two supporting boards, and a base. The ball is designed with connecting line, assembled on top of the adjustable plastic shaft, and the connecting line goes all the way through the ball, adjustable plastic shaft, supporting sleeve, base, spring to adjustment screw, to allow the ball under the control of batter. The adjustable plastic shaft may cater to the batter's height. The supporting sleeve and sleeve setter is collapsible, so as the supporting boards may retrieve, in making the ball, adjustable plastics shaft, supporting sleeve, and bat of the present invention tie to the base with fasteners for easy storage and carrying. When in use, the unit can be easily assembled in a short time, to reach the effect of space saving, practice, easy storing, and easy carrying, all those conveniences.
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