| 摘要 |
<p>An elevator platform between at least two overlying storeys, comprising a pair of uprights (4) to be fixed to the ground, a platform (6) arranged to receive a motor vehicle, and means (20, 22) for driving said platform at constant speed along said uprights between a lower position and an upper position, in each of which the platform is coplanar with the floors of said storeys, characterised by comprising means for blocking the free fall of the platform.</p> |
