Helicopter rotor shock absorber fixing component has bolt with nut locked by looped spring clip to permit manual fitting and removal

摘要

The fixing component consists of a bolt (29) and a nut (31) with a nut locking element in the form of a spring clip (35). The clip has a straight section formed by its two ends that is inserted through transverse holes in the nut and bolt, and a folded loop that clips over the nut and engages with an annular groove (55) in it. It is fitted and removed by lifting the loop - a movement that can be performed manually.