| 摘要 |
A lightweight bottom wall structure for playyard, pen, and cot, which includes a boundary frame constructed to support a fabric made boundary shelter, wherein the lightweight bottom wall includes a bottom frame supported at a bottom portion of the boundary frame and defines a central window. A bottom wall includes a first layer having a tension surface and a second layer overlapped with the first layer to define a receiving groove between the first and second layers, wherein the bottom frame has a size and shape adapted to be fittedly received in the receiving groove so as to mount the first layer covering the central window to form the tension surface.
|
