| 摘要 |
1. Swivelling stairway, in particular for vehicles, having a stairway body (1) which is provided with steps (1a) or rungs, is held in a fixed pivot bearing (2) with a horizontal pivot axis and is connected via at least one support means (3) to a fixed support bearing (4), the support means (3) being provided to absorb all tensional forces resulting from the inherent weight of the stairway body (1) and from its being stepped on when it is in the position for use, characterised in that the support means (3) comprises two levers (3a, 3b) connected to each other by means of a hinge (3c), is designed in the manner of a handrail and has for this purpose a handrail portion (3d), which at one end is connected to the hinge (3c) of the levers (3a, 3b) and at the other end is connected rotationally and longitudinally displaceably to an intermediate lever (3e), which is mounted on the stairway body (1) and is similarly rotationally and longitudinally displaceably connected to the lever (3b) of the support means (3) occupying the lower position in the position for use of the stairway body (1). |
