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 |