| 摘要 |
A foldable stand tube comprises an upper tube having an upper connecting portion and an upper pivot portion at one end thereof; the upper pivot portion enclosing an outer periphery of the upper tube; the upper connecting portion being hollowed and having a slit; a lower tube having a lower connecting portion and a lower pivot portion at one end thereof; the lower pivot portion enclosing the lower tube; an inner diameter of the upper connecting portion being greater than an outer diameter of the lower connecting portion so that the lower connecting portion being received into the upper connecting portion. The upper pivot portion is engaged to the lower pivot portion so that the upper pivot portion is rotatable with respect to the lower pivot portion and thus the upper tube is foldable with respect to the lower tube.
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