Snap hook with pivotal gate fitted with a locking ring

摘要

The hook (10) has a mobile finger (13) with a female hooking element (18) cooperated with a male retaining element (12) in a closed position of the finger. A spring returns the finger to the closed position. A locking ring (25) is mounted around the finger. The ring is moved between a locked position to lock the finger and an unlocked position to move the finger towards an open position. The female element is covered by a conical end head (28). The head surrounds the male element in closed position of the finger and has a shoulder serving as limit stop for the ring in the locked position.