Delayed action regulator for buffer

Claim 1

IN A TIRE MOUNTING ASSEMBLY ON A ROTARY SPINDLE FOR SUPPORTING A SPLIT RIM PROVIDING RIM HALVES UPON WHICH A TIRE IS MOUNTED, SUCH SPINDLE HAVING AN AXIAL PASSAGE COMMUNICATING WITH A SOURCE OF AIR SUPPLIED AT HIGH PRESSURE AND A CONDUIT COMMUNICATING SAID AXIAL PASSAGE WITH A TIRE MOUNTED ON SAID RIM HALVES FOR INFLATING SAID TIRE; MEANS COORDINATED WITH SAID SOURCE OF AIR SUPPLY FOR URGING SAID RIM HALVES TOWARD EACH OTHER FOR SUPPORTING SAID TIRE THEREON COMPRISING PNEUMATIC MEANS ON SAID SPINDLE HAVING A PISTON ENGAGEABLE WITH ONE OF SAID WHEEL HALVES, AND MEANS COMMUNICATING SAID AXIAL PASSAGE IN SAID SPINDLE WITH SAID PNEUMATIC MEANS FOR URGING SAID PISTON TOWARD SAID ONE OF SAID WHEEL HALVES BY AIR SUPPLIED THERETO AT SAID HIGH PRESSURE, AND A DELAYED ACTION REGULATOR INCLUDING A NORMALLY OPEN AIR ACTUATED VALVE IN SAID CONDUIT FOR ADMITTING AIR INTO THE CAVITY OF SAID TIRE FROM SAID SOURCE OF AIR AT HIGH PRESSURE, AND MEANS COMMUNICATING ONE SIDE OF SAID AIR ACTUATED VALVE WITH THE INTERIOR OF SAID TIRE FOR CLOSING SAID AIR ACTUATED VALVE WHEN THE AIR WITHIN THE TIRE REACHES A PREDETERMINED PRESSURE LESS THAN OF SAID SOURCE OF AIR AT HIGH PRESSURE.