| 摘要 |
<p>The cleaner has rollers (4) attached to a housing to provide movement of the housing. Each roller is arranged on a roller axle (6) such that one of the rollers to be rotated includes a rigid hub (40) and a rubber, resilient or damping tire (43) that is formed as an air-filled tire. The hub includes a radially directed collar (42) at an end of the hub, where the collar positive fittingly receives the tire. One of the rollers includes anti-twist protection that is arranged between the hub and tire, where the tire includes a radially orientated flank having toothings.</p> |
