wherein said fixing device and at least one said anchoring device are disposed on and /or infirst and second tubes, which can be fitted together for normal use in such a way that relative motion between the two tubes is limited to the play of a fitted connection, said connection being adapted to come apart under a force overload, and said tubes being connected inseparably to each other by a flexible but not stretchable connecting part, such that when the fitted connection releases,the tubes are capable of relative motion within a different perimeter than in the fitted-together state, this relative motion being limited by a free length of the flexible connecting part.
这段话太难理解了，以下为我的翻译，总觉得不通顺，请大家校正，将不胜感激。
其特征在于，上述固定装置10及至少一个上述锚装置33被放置在第一支架22与第二支架32上，两支架安装一起可正常使用，在这种方式下，两个支架之间的相对运动仅受限于安装连接的调节作用，上述连接在重力负荷下分开，上述支架22，32通过柔性的但不可延长的连接部分29连接彼此，当安装连接部松开时，支架在安装状态的不同周边内做相对运动，该相对运动由柔性连接部的自由长度调节。 |
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