| 摘要 |
A frame including a flexible resilient base ring having a floor covering removably attached and a flexible resilient top ring having a top covering removably attached. The top ring includes a pair of diametrically opposing ferrule connectors for attaching the top ring around the outside of a flexible resilient arched member. The arched frame member has opposing ends engaged to a pair of radially pivotable yokes positioned at diametrically opposing positions on the base ring and a side covering is removably attached between the top and base rings. Erection of the frame includes partially overlying the top ring on the base ring, engaging one end of the arched frame member to one yoke, causing the arched frame member to flex into the arched configuration and engaging the second end of the arched frame member to the second yoke.
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