| 摘要 |
<p>The present invention relates to a ladder (100). The ladder comprises a first pair of side rails (1) and at least one platform step (6) pivotably attached at a front end (7) to the each of the first pair of side rails (1) and pivotably attached at a rear end (8) to each of a second pair of side rails (2). The first pair of side rails (1) is moveable relative to the second pair of side rails (2) to move the or each platform step (6) between a substantially horizontal position and a folded position. The ladder further comprises a third pair of side rails (3), having at least one rung (9) provided therebetween, the third pair of side rails (3) mounted to permit extension of the ladder.</p> |
