| 摘要 |
Centring grip for fibre-optic cable, in the form of a multi-step sleeve with a transverse elastic contraction, placed in the cylindrical body of a half-coupling, which also contains a sub-unit with an optical projection system, characterized in that the sleeve (4) has at the contraction (5) pairs of opposite lengthwise cuts (6) running along the axis of the sleeve (4), these pairs having a circumferentially symmetric distribution, while the cuts of each pair are shifted relative to each other, along the axis of the sleeve, by a constant amount (I).<IMAGE>
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