| 摘要 |
<p>A folding frame comprises four vertical legs and at least one shelf pivotally connected to each of the four vertical legs, each shelf being capabl of folding verticaly upward. The folding frame further comprises two support beams positioned beneath and on opposite ends of each shelf, each support beam being pivotally connected to two of the four vertical legs and capable of folding horizontaly inward. The folding frame is moveable between an extended position with each shelf being horizontal and supported by two of the support beams, and a collapsed position with each shelf being folded vertically upward and the support beams being folded horizontally inward.</p> |
