Patent ID: 9638237
Date: 2017-05-02
CPC Classifications: F16B,Y10T

Claim:
1. A snap hook apparatus comprising: a shell including an annular rib formed on an internal side and teeth formed on a side of the annular rib; a bolt including a first lug formed at an end, a second lug formed at another end, an annular shoulder formed thereon, and a bore near the annular shoulder; a hook including a catch formed at a first end and an aperture made in a second end; a first pin inserted in the first lug of the bolt and used for engagement with the catch of the hook; a second pin inserted in the second lug of the bolt and the second end of the hook; a torsion spring including a first end inserted in the bore of the bolt and a second end inserted in a recess between two adjacent ones of the teeth of the shell; a compression spring inserted in the shell; and an elastic strip inserted in the shell.