| 摘要 |
<p>The invention relates to a roller system for moving objects over dirty floors, comprising a roller (1) with a running surface (2) and with a bearing, with which the roller (1) is rotationally attached to the object. According to the invention, a covering (3, 4, 5) is provided, which has an opening for the roller (1). The shape of the opening is matched to the contour of the roller (1), and the size of the opening is provided such that the width of the opening is matched to the width of the roller (1), and the length of the opening is less than the diameter of the roller (1).</p> |
