发明名称 Collapsible structures
摘要 Collapsible structures are disclosed having a central panel, a first support panel disengageably connected to the left side of the central panel, and a second support panel disengageably connected to the right side of the central panel. Each of the central panel and support panels includes a foldable frame member having a folded and an unfolded orientation, and a fabric material substantially covering the frame member.
申请公布号 US2004209713(A1) 申请公布日期 2004.10.21
申请号 US20040818858 申请日期 2004.04.05
申请人 ZHENG YU 发明人 ZHENG YU
分类号 A63B9/00;A63B63/00;A63B63/08;A63B71/02;(IPC1-7):A63B67/00 主分类号 A63B9/00
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