发明授权
- 专利标题: Portable display structure
- 专利标题(中): 便携式显示结构
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申请号: US639938申请日: 1991-01-11
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公开(公告)号: US5161344A公开(公告)日: 1992-11-10
- 发明人: Hannu Kahonen
- 申请人: Hannu Kahonen
- 申请人地址: SEX Nacka
- 专利权人: Expand International AB
- 当前专利权人: Expand International AB
- 当前专利权人地址: SEX Nacka
- 优先权: GBX9000819 19900115; GBX9000820 19900115
- 主分类号: E04B1/18
- IPC分类号: E04B1/18 ; B64G99/00 ; E04B1/344 ; G09F15/00
摘要:
A portable display structure comprising a number of upright columns joined by a number of horizontally extending beams, the columns and/or beams being formed in a similar manner of a central structural member made of a number of units and each unit comprising a plurality of rod elements connected at their ends to associated hubs.
公开/授权文献
- US5797797A Lateral support button spring for expandable batons 公开/授权日:1998-08-25
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