| 摘要 |
A portable basketball unit with a base, moveable support frame members rotatably connected to the base for movement between an upper position and a lower transport position, a beam supporting a backboard and rim member moveably connected to the support frame members, forward wheels with a means for retracting the wheels when the support frame members are in an upper position, and a means for moving the wheels downwardly when the support frame members are in a lower transport position.
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