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US07682268B2 Collapsible structures 失效
可折叠结构

  • Patent Title: Collapsible structures
  • Patent Title (中): 可折叠结构
  • Application No.: US11899441
    Application Date: 2007-09-05
  • Publication No.: US07682268B2
    Publication Date: 2010-03-23
  • Inventor: Yu Zheng
  • Applicant: Yu Zheng
  • Applicant Address: US CA Walnut
  • Assignee: Patent Category Corp.
  • Current Assignee: Patent Category Corp.
  • Current Assignee Address: US CA Walnut
  • Agent Raymond Sun
  • Main IPC: A63B63/00
  • IPC: A63B63/00
Collapsible structures
Abstract:
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.
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