| 摘要 |
The cage electrical system (8), such as cage computer, terminals, communication apparatus, etc., required at the cage (3) is integrated in an apparatus space (7a) integrated in the cage roof (7). The apparatus space (7a) is arranged along a cage roof edge (7s). The constructional height (h) required for stiffening the cage roof (7) is appropriately utilised. The cage electrical system (8) is accessible by means of a pivotable cover (9) for the purpose of service. At the same time the cover (9) in closed state forms a standing surface which can be used for servicing the shaft.
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