
A pressure balanced swivel fitting characterized in that it employs simple squeeze type packing rings and plain ring bearings to retain the swivel fitting members together in axially interfitting relation and to support said members for relative rotation, the bearing rings being disposed in the fluid flow path so that the bearing surfaces are lubricated by flow of fluid through the swivel fitting, i.e., lubricant-laden air in the case of a pneumatic power system or hydraulic oil in the case of a...











