Rotary hydraulic fitting

Claim 1

IN A ROTARY HYDRAULIC FITTING, THE COMBINATION COMPRISING A BODY HAVING AN ANNULAR GENERALLY AXIAL INWARDLY FACING SURFACE AND OPPOSED GENERALLY RADIAL SURFACES, ONE OF SAID RADIAL SURFACES INTERSECTING THE AXIAL SURFACE, SAID BODY HAVING A THIRD RADIAL SURFACE SPACED AXIALLY FROM EACH OF SAID RADIAL SURFACES AND INTERSECTING THE AXIAL SURFACE, A ROTARY MEMBER HAVING SUBSTANTIALLY COMPLEMENTARY AXIAL AND RADIAL SURFACES POSITIONED IN SAID BODY, SAID ROTARY MEMBER HAVING A GENERALLY AXIAL WALL EXTENDING BETWEEN THE RADIAL SURFACES THEREOF, SAID BODY HAVING A GENERALLY AXIAL WALL SPACED FROM SAID LAST MENTIONED WALL, SAID BODY HAVING AN AXIAL FLUID PASSAGE THERETHROUGH, SAID BODY HAVING DRAIN OPENINGS THEREIN, SAID PASSAGE HAVING ONE END THEREOF EXTENDING THROUGH SAID THIRD RADIAL SURFACE OF SAID BODY AND THE OTHER END THEREOF EXTENDING TO THE EXTERIOR OF SAID BODY, SAID ROTARY MEMBER HAVING AN AXIAL FLUID OPENING THERETHROUGH, SAID OPENING IN SAID ROTARY MEMBER EXTENDING THROUGH ONE OF SAID OPPOSED RADIAL SURFACES AND SAID THIRD RADIAL SURFACE OF SAID ROTARY MEMBER AND HAVING ONE END THEREOF ALIGNED AND COMMUNICATING WITH SAID ONE END OF SAID PASSAGE IN SAID BODY, A PLURALITY OF DIAMETRICALLY OPPOSED CIRCUMFERENTIALLY SPACED PRESSURE PADS ON EACH OF SAID AXIAL AND OPPOSED RADIAL SURFACES OF SAID BODY, AN ORIFICE ASSOCIATED WITH EACH SAID PAD FOR SUPPLYING LIQUID UNDER PREDETERMINED PRESSURE TO SAID PAD, A GAUGE ASSOCIATED WITH EACH SAID PAD FOR INDICATING THE PRESSURE OF SAID PAD, THE RELATIVE DIMENSIONS OF SAID BODY AND SAID ROTARY MEMBER BEING SUCH THAT A PRESSURIZED FILM OF LIQUID FLOWS CONTINUOUSLY AT LOW VELOCITY FROM EACH OF SAID PRESSURE PADS BETWEEN SAID AXIAL AND OPPOSED RADIAL SURFACES AND FROM SAID OPENING IN SAID ROTARY MEMBER BETWEEN SAID THIRD RADIAL SURFACES OF SAID ROTARY MEMBER AND SAID BODY TO DRAIN OPENINGS IN SAID BODY PROVIDING A PERMANENT SEPARATION OF THE SURFACES AND RETAINING THE ROTARY MEMBER IN STABLE, ACCURATE, FRICTIONLESS RELATION TO THE BODY WITHOUT THE USE OF SEALS BETWEEN SAID BODY AND SAID ROTARY MEMBER.