发明申请
- 专利标题: OPEN WEB GRID RUNNER
- 专利标题(中): 打开网格跑步机
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申请号: US13152355申请日: 2011-06-03
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公开(公告)号: US20120304574A1公开(公告)日: 2012-12-06
- 发明人: Peder J. Gulbrandsen , James J. Lehane, JR. , Abraham M. Underkofler
- 申请人: Peder J. Gulbrandsen , James J. Lehane, JR. , Abraham M. Underkofler
- 申请人地址: US IL Chicago
- 专利权人: USG INTERIORS, INC.
- 当前专利权人: USG INTERIORS, INC.
- 当前专利权人地址: US IL Chicago
- 主分类号: E04B9/18
- IPC分类号: E04B9/18
摘要:
A suspended ceiling grid runner comprising separate parallel upper and lower chords, a plurality of identical web plates fixed between the chords and the plates having a height less than the height of the grid runner and a width, the chords being made of roll-formed sheet metal strips and symmetrical about a vertical plane, the chordal strips each having marginal sections folded parallel to one another and on opposite sides of the vertical plane, the web plates including vertical slots for receiving connectors of cross runners, the web plates being spaced at regular centers along the grid runner with a distance that is a small fraction of the nominal length of the grid runner, the gaps between adjacent web plates being longer than the height of the grid runner.
公开/授权文献
- US08397462B2 Open web grid runner 公开/授权日:2013-03-19