US Patent 7341286 Fluid coupling with dual function retention ring

A fluid coupling includes a carrier carrying a retention ring with inward and outward radially and angularly extending fingers for respectively engaging an outer surface of an endform inserted through a bore in the carrier and the inner surface of a bore in a housing in which the carrier is mounted to fix the endform to the carrier and to fix the carrier to the housing. Inner and outer seal elements are also carried on the carrier to seal the carrier to the endform and the housing to the carrier. Both of the seal elements are disposed axially closer to one end of the carrier than the inward and outward extending fingers.