摘要 |
A snap hook apparatus includes a shell, a bolt, a hook, two pins, a torsion spring and an elastic strip. The shell includes an annular rib formed on an internal side and teeth formed on the annular rib. The bolt includes two lugs, an annular shoulder, and a bore near the annular shoulder. The hook includes a catch at a first end and an aperture in a second end. The first pin is inserted in the first lug and used for engagement with the catch of the hook. The second pin is inserted in the second lug and the second end of the hook. The torsion spring includes a first end inserted in the bore of the bolt and a second end inserted in a recess defined between two adjacent ones of the teeth of the shell. The compression spring and the elastic strip are inserted in the shell. |