| 摘要 |
<p>A device for steering the direction of motion of a mobile unit and including one or several steering means (3, 14) arranged for roll/slide contact with a base (24) at a contact point common for said steering means and said base, the steering direction of the steering means determining the direction of motion of said mobile unit. Said steering means (3, 14) are arranged in a bracket (2, 6) which for the purpose of steering is pivoted between different pivoting positions around an axis extending substantially in the direction of motion of said mobile unit. The steering means are supported in said bracket in order to maintain different contact points along said bracket dependent on selected pivoting position and consequently a steering direction determined for each pivoting position.</p> |
