发明名称 OPEN STAIR CASE WITH CENTER UNCUT STRINGER
摘要 An open staircase is provided comprising a flight of stair treads and an uncut stringer. The treads have free opposing ends positioned on the stringer in a stepped apart relationship relative to one another and each are fixed to the uncut stringer at a position along the horizontal length of the tread such that the tread is cantilevered from the stringer.
申请公布号 US2016369514(A1) 申请公布日期 2016.12.22
申请号 US201514859190 申请日期 2015.09.18
申请人 GROMMET DEAN G. 发明人 GROMMET DEAN G.
分类号 E04F11/028;E04F11/112 主分类号 E04F11/028
代理机构 代理人
主权项 1. A staircase comprising an uncut stringer and a plurality of steps comprising a tread having a horizontal length with a top and bottom planar surface and free opposing ends, said steps positioned on said stringer in a stepped apart relationship to one another, the improvement wherein: said tread comprises a pin extending down from the bottom planar surface of said tread and said uncut stringer comprises an aperture dimensioned to receive said pin and secure said tread to said stringer.
地址 WHITEFISH MT US