| 摘要 |
<p>A stowable or foldable ladder (100) is configured for installation in an opening to provide access between one floor or space and another floor or space. The ladder includes an upper ladder section (110) having a left ladder rail and a right ladder rail, a lower ladder section (130) having a left ladder rail and a right ladder rail, a hinge (400) rotatably connecting the upper ladder section left ladder rail to the lower ladder section left ladder rail and rotatably connecting the upper ladder section right ladder rail to the lower ladder section right ladder rail, and a plurality of steps rotatably disposed between the upper pair of ladder rails and the lower pair of ladder rails, wherein the plurality of steps are configured for rotation between a retracted position and a deployed position.</p> |
