| 摘要 |
The balls (15) designed to immobilise the male element (A) are borne by a slide (12) subjected to the action of two antagonist springs (13, 14). The groove (19) allows the balls to engage in the cavity (5) before the spring (13) elastically returns the slide to the locked position, while the spring (14) allows the said slide to move in the opposite direction under the effect of accidental axial tension, the groove (18) therefore allowing the two elements to become detached from each other. <IMAGE>
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