| 摘要 |
In a roller, particularly for a trolley with a framework, comprising an orientable clevice (stirrup piece) (8) in which a bearing wheel (4) is mounted on a horizontal rotation spindle, the orientable clevice being fixed to the chassis so that it can rotate about a vertical axis of rotation (6), provision is made for arranging, between the chassis and the orientable clevice (8), a damping element for the rotational movement about the vertical axis of rotation (6) bearing with defined preload against the chassis and the orientable clevice (8). <IMAGE>
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