ROOF TRUSS
    1.
    发明申请

    公开(公告)号:US20080092477A1

    公开(公告)日:2008-04-24

    申请号:US11927063

    申请日:2007-10-29

    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.

    摘要翻译: 一种预制屋顶桁架,其包括底板,其附接到屋顶桁架的底部弦杆,使得底板不会从内壁的顶板抬起,尽管屋顶的底部弦的垂直运动 桁架。