| 摘要 |
A step support method for use in the manufacturing of straight or curved stairs comprising a plurality of cutouts and a plurality of formed flanges in a contiguous sheet of metal creating a surface for stair treads and risers to be attached. The design of which allows the embodiment to serve structurally as being load bearing. With the addition of slits in the tread support flange, the embodiment can be applied to the manufacturing of curved stairs as well. |
