| 摘要 |
<p>The walker has a mobile metal structure (1) placed on pivoting casters (14) and symmetrically equipped with two centered supports (23) of axes. The structure slides in tubular guides (17). The pivoting casters are suspended by springs. The springs are pressed on a head of pistons (9) to feet that are fixed on the pivoting casters. The tubular guides are constituted by end to end welded tubes that are transversely adjustable in height and angle through orthogonal nuts (16).</p> |
