Piston rod assembly for fluid translating devices

Claim 1

IN A PUMP HAVING A HOUSING, A DRIVE SHAFT AND ROTOR DRIVEN THEREBY, A CAM PLATE, A ROTATABLE CYLINDER BLOCK INCLINED RELATIVE TO THE AXIS OF SAID ROTOR AND DRIVEN BY SAID DRIVE SHAFT, A PLURALITY OF CYLINDERS IN SAID CYLINDER BLOCK, A PLURALITY OF PISTONS RECIPROCABLY MOUNTED IN SAID CYLINDERS, EACH HAVING A ROD WITH THE ROD END IN OPERABLE ENGAGEMENT WITH SAID ROTOR AND ACTUATABLE BY SAID CAM PLATE, IN COMINATION THEREWITH THE IMPROVEMENT WITH COMPRISES MEANS FOR SUBJECTING SAID CAM PLATE TO FORCE NORMAL THERETO AND MEANS FOR SUBJECTING SAID ROTOR TO FORCES REDIAL THERETO, SAID MEANS FOR SUBJECTING SAID CAM PLATE TO FORCES NORMAL THERETO COMPRISING A SLIPPER SLIDABLY MOUNTED THEREON AND IN MATING FACIAL JUXTAPOSITION WITH SAID ROD BALL END, AND WHEREIN SAID MEANS FOR SUBJECTING SAID ROTOR TO FORCES RADIAL THERETO COMPRISED A COLLAR SEPARATE FROM THE SLIPPER CIRCUMFERENTIALLY CRIMPED ABOUT THE MID-PORTION OF SAID ROD BALL END AND SLIDABLY SECURED IN SAID ROTOR FOR LIMITED MOVEMENT THEREIN.