Locking assembly for snap hook has male section with ring-shaped spring, and female section with locking ring, so that when two sections come in line, ring springs giving audible click and slight vibration to locking ring

摘要

Male piece (4), or safety closing link, has groove (12) in which is fitted ring-shaped compressible metallic spring (11). Female part (8), or locking ring, which slides over the male part, has complementary internal groove (13), so that when two grooves come in line, ring springs into this groove giving audible click and slight vibration to locking ring.