Snap hook has C-shaped body with hollow bar between its ends containing spring and having shaped end slot to engage with hook

摘要

The snap hook consists of a C-shaped body (1) with a pivoted bar (5) covering the gap (4) between its two ends (2, 3). The bar is hollow and contains a spring (26) to hold it closed, and its end (8) furthest from the pivot (7) has a slot to receive a male end (9) on the engaging portion of the body. The male end has at least one lateral projection (20) that engages with a matching cavity in the side of the slot.