| 摘要 |
The invention relates to a lifting device for ring rails 3 and for rails 4 for balloon-contracting rings 5 and/or thread-guide rails 6 of a ring-spinning or ring-twisting machine, with a switching unit, with a wind-up drum 11, 12, 13 actuated by the switching unit and with pull members 14, 15, 16 assigned to the respective rails and to the wind-up drum. According to the invention, in addition to a ring rail, at least one further rail 4, 6 is assigned a switching unit 9, 10 with a wind-up drum 12, 13. <IMAGE>
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