| 摘要 |
<p>The device (1) has tires (41) wound on a wheel rim (40). A wheel support (25) has roller cylinders (28, 29), on which a wheel (39) is displaced in a fixed rolling position in rotation about a rolling axis. The wheel support has a wheel bearing (32) for providing a lateral support of the wheel in a rolling position, where the wheel bearing is provided with freely rotatable supporting rollers (36, 37) for the lateral arrangement of the wheel.</p> |
