| 摘要 |
The invention relates to a device for working a surface, especially a lifting platform (100), comprising a boom (304) or a platform, a working means (305) which can be placed against the surface to be worked, and a means (318) which is arranged between the boom (304) or the platform and the working means (305) and which provides an application force that acts on said working means (305). The invention is characterized in that the working means (305) is suspended on a suspension (307, 316) such that it can move freely around two axes which preferably form a right angle. The invention is additionally characterized in that the means (318) which provides the application force engages with the suspension (307, 316).
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