发明申请
- 专利标题： ROOF TRUSS
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申请号： US11927063申请日： 2007-10-29
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公开(公告)号： US20080092477A1公开(公告)日： 2008-04-24
- 发明人: LARRY PERRAULT , DAVID KARROLL
- 申请人： LARRY PERRAULT , DAVID KARROLL
- 优先权： CA2289790 19991116
- 主分类号： E04C3/18
- IPC分类号： E04C3/18 ; E04B1/49 ; E04C3/29 ; F16B5/12
摘要：
A prefabricated roof truss which includes a bottom plate which attaches to the bottom chord of the roof truss in such a way that the bottom plate does not lift away from the top plate of an interior wall despite the vertical movement of the bottom chord of the roof truss.
公开/授权文献
- US07814722B2 Roof truss 公开/授权日：2010-10-19
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