| 摘要 |
A tennis practice backboard is provided that allows a tennis ball hit against the practice backboard to return to approximately the same spot at about the same height every time. The system is constructed at the tennis court from a plurality of panels. The panels are concaved and formed of structural polyurethane foam material, the top of the backboard is tilted backwardly with respect to the bottom by a small positive angle, adjacent panels of the backboard are fastened to one another, brackets are fastened to the panels, horizontal members are connected to the brackets whereby the horizontal members are mounted to posts of a tennis court fence, the panels are not affected by humidity, wind, rain, cold, heat or other adverse weather conditions.
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