| 摘要 |
A coupling device for coupling a jack connector and a plug connector is disclosed. One connector is externally threaded and the second is provided with an internally threaded cap nut. A cap ring is mounted on the cap nut so that rotation of the ring rotates the cap nut in the same direction. A first ring of axially pointed rigid teeth is provided around the circumference of the cap ring or on a separate sleeve. The first connector has another ring with at least one rigid axially mounted tube for engaging the first tooth ring. For connection the cap nut is screwed onto the first connector. The teeth are shaped to pass over each other easily as the cap is screwed on. To facilitate connection the cap ring is withdrawn axially, against the force of a biasing spring, while the cap nut is screwed on. Then the cap ring is released and the spring urges it into locking engagement with the other tooth ring. Accidental rotation of the cap nut relative to the other connector is prevented, so that accidental loosening is impossible.
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