A pair of rigid metallic clips is inserted over containment numbers in a fiberoptic connector coupling. Rigid leg members mounted on the clips extend along latching members of the containment members, thereby limiting displacement of the latching members owing to spring pressure in connector sleeves...http://www.google.com/patents/US5359688?utm_source=gb-gplus-sharePatent US5359688 - Metal internal holding clips for fiber optic connector coupling
