| 摘要 |
<p>The present invention relates to a foldable ladder. More specifically, the foldable ladder is composed of a metal member or a plastic member and having a foldable structure. The foldable ladder (10) comprises: a pair of column members (11a, 11b) separated and extended parallel to each other; a plurality of stepping members (12) installed in the column members (11a, 11b); and coupling units (13, 14) enable the stepping members (12) to be coupled to the column members (11a, 11b). The column members (11a, 11b) have a pipe structure, and the stepping members (12) are capable of changing an alignment direction with respect to the column members (11a, 11b).</p> |
