Braking power distributors

Claim 1

IN AN AUTOMOTIVE VEHICLE HAVING A FLUID BRAKING SYSTEM, A VARIABLE POWER DISTRIBUTOR FOR THE BRAKING SYSTEM COMPRISING A PRESSURE LIMITER MOUNTED ON THE VEHICLE AND CONNECTED TO THE FLUID BRAKING SYSTEM, SAID PRESSURE LIMITER INCLUDING A BODY MEMBER HAVING AN INLET END FOR BRAKE CONTROL FLUID AND AN OUTLET END, A CYLINDRICAL SLIDE VALVE ARRANGED TRANSVERSELY IN THE BODY MEMBER BETWEEN THE INLET END AND THE OUTLET END AND CONTROLLING THE FLUID PASSAGE BETWEEN SAID ENDS, SAID VALVE HAVING OPPOSING END FACES, SAID BODY MEMBER HAVING LATERALLY PROJECTING SIDE PORTIONS, ONE OF SAID SIDE PORTIONS TERMINATING IN AN ANCHORING MEANS AND SAID SIDE PORTION HAVING A CHAMBER IN COMMUNICATION WITH ONE OF THE END FACES OF THE VALVE, SAID CHAMBER BEING IN COMMUNICATION THROUGH A PASSAGE WITH THE INLET END FOR THE BRAKE CONTROL FLUID SO THAT THE UPSTREAM PRESSURE OF THE BRAKE CONTROL FLUID ACTS ON SAID END FACE OF THE VALVE, THE OTHER OF SAID SIDE PORTIONS BEING A SOCKET, A TUBULAR MEMBER ADJUSTABLY FITTED IN THE SOCKET AND PROJECTING AXIALLY THEREFROM, A SPRING HOUSED IN SAID TUBULAR MEMBER AND ACTING ON THE OTHER END FACE OF THE VALVE, A ROD SLIDABLY DISPOSED IN THE TUBULAR MEMBER AND EXTENDING OUTWARDLY THEREFROM AND ADAPTED TO COMPRESS THE SPRING, SAID ROD HAVING AN INNER END SPACED A PRE-DETERMINED DISTANCE FROM THE SPRING WHEN THE VEHICLE IS EMPTY SO THAT THE ROD WILL START TO COMPRESS THE SPRING TO ACT ON THE VALVE ONLY WHEN THE LOAD EXCEEDS A PRE-DETERMINED MINIMUM VALUE, SAID ROD HAVING AN OUTER END TERMINATING IN AN ANCHORING MEANS, BOTH OF SAID ANCHORING MEANS BEING PIVOTALLY CONNECTED TO THE VEHICLE AT TWO DIFFERENT POINTS OF WHICH THE RELATIVE SPACING VARIES AS A FUNCTION OF THE MAGNITUDE OF THE VEHICLE LOADING WHEREBY THE VALVE CONTROLS THE FLUID PASSAGE BETWEEN THE INLET AND OUTLET ENDS AS A FUNCTION OF THE WEIGHT OF THE VEHICLE.