| 摘要 |
<p>A vertically foldable frame is disclosed. The frame comprises: a base; a first fixing post; a second fixing post; a sliding frame; at least one table surface; wherein the first fixing post and the second fixing post are respectively fixed on both ends of the base; a first guide rail and a second guide rail are provided on the first fixing post and the second fixing post respectively and opposite to each other, the sliding frame is provided between the first guide rail and the second guide rail and adapted to slide up and down along the first guide rail and the second guide rail; the table surface is horizontally connected to a side of the sliding frame and adapted to be rotated in a vertical plane around a joint between the table surface and the sliding frame, the table surface is adapted to be horizontally positioned.</p> |
