| 摘要 |
A lifting platform has a pipe fixed vertically to a mobile base-plate and provided at its upper end with a female thread into which a threaded spindle can be screwed, the threaded spindle carrying at its upper end, via rolling bearings, a tubular housing to which the platform is attached, and a first drive disc being attached to the threaded spindle, in a rotation-proof manner, and being capable of being driven by a drive device arranged on the platform, via a second drive disc. <IMAGE>
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