| 摘要 |
A collapsible structure comprises a first frame member including first and second segments hingedly interconnected with each other allowing the collapsible structure to have a collapsed position and an expanded position. The collapsible structure further comprises a second frame member hingedly connected to the first frame member. The second frame member includes first and second segments hingedly interconnected with each other. A hinge member is employed to hingedly connect the first segment and the second segment. At least one of the first and second frame members includes a closed-loop configuration.
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