Suspension equipment for vehicles

Claim 1

IN A VEHICULAR SUSPENSION SYSTEM CONTAINING A LIQUID, A CHASSIS, AT LEAST FOUR WHEEL HOLDERS ARTICULATED TO SAID CHASSIS IN PAIRS AT OPPOSITE SIDES OF SAID CHASSIS, AT LEAST TWO CONTROL WHEELS AND AT LEAST TWO CONTROLLED WHEELS, EACH ONE OF SAID CONTROL WHEELS AND EACH ONE OF SAID CONTROLLED WHEELS BEING SUSPENDED FROM THE FREE END OF A CORRESPONDING ONE OF SAID WHEEL HOLDERS AND THEREBY SUPPORTED BY SAID WHEEL HOLDERS, A PLURALITY OF SUSPENSION MEMBERS, EACH OF SAID SUSPENSION MEMBERS COMPRISING A CYLINDER CONSTITUTING A FIRST MAJOR ELEMENT OF THE DEVICE AND A PISTON SLIDABLY MOUNTED IN THE CYLINDER AND THEREBY DEFINING WITH THE CYLINDER A MECHANICALLY ADJUSTABLE SPACE IN THE CYLINDER, SAID PISTON CONSTITUTING A SECOND MAJOR ELEMENT OF THE DEVICE, SAID SPACE BEING ADAPTED TO CONTAIN THE LIQUID, ONE OF SAID MAJOR ELEMENTS BEING COUPLED TO THE CHASSIS AND THE OTHER OF SAID MAJOR ELEMENTS BEING COUPLED TO ONE OF SAID WHEEL HOLDERS, A PLURALITY OF BUFFER DEVICES, EACH ONE OF SAID BUFFER DEVICES COMMUNICATING WITH A CORRESPONDING ONE OF SAID MECHANICALLY ADJUSTABLE SPACES AND BEING ADAPTED TO CONTROL ENTRY AND EXIT OF THE LIQUID IN THE MECHANICALLY ADJUSTABLE SPACE, A SOURCE OF THE LIQUID UNDER PRESSURE, A TANK, INTERCONNECTION MEANS COMMUNICATING BETWEEN THE SOURCE AND THE TANK AND BETWEEN THE SOURCE AND THE MECHANICALLY ADJUSTABLE SPACES, SAID INTERCONNECTION MEANS INCLUDING A DIFFERENTIAL CORRECTOR AND A DISTRIBUTOR, SAID DISTRIBUTOR INCLUDING MEANS FOR TRANSMITTING TO THE DIFFERENTIAL CORRECTOR THE SUM OF THE PRESSURES EXISTING IN THE MECHANICALLY ADJUSTABLE SPACES ASSOCIATED WITH THE WHEELS AT ONE SIDE OF THE CHASSIS AND FOR TRANSMITTING TO THE DISTRIBUTOR IN OPPOSITION TO THE PRECEDING PRESSURE SUM THE SUM OF THE PRESSURES EXISTING IN THE MECHANICALLY ADJUSTABLE SPACES ASSOCIATED WITH THE WHEELS AT THE OTHER SIDE OF THE CHASSIS, SAID LAST-MENTIONED MEANS FOR TRANSMITTING INCLUDING A SINGLE ELASTIC DIAPHRAGM AGAINST OPPOSED SIDES OF WHICH SAID PRESSURE SUMS OPPOSE EACH OTHER, CONDUIT MEANS FOR RELEASING PRESSURE FROM THE MECHANICALLY ADJUSTABLE SPACES THROUGH THE DISTRIBUTOR AND THE DIFFERENTIAL CORRECTOR TO THE TANK, AND CONDUIT MEANS FOR TRANSMITTING PRESSURE FROM THE SOURCE OF THE LIQUID UNDER PRESSURE THROUGH THE DISTRIBUTOR AND THE DIFFERENTIAL CORRECTOR TO THE MECHANICALLY ADJUSTABLE SPACES, WHEREBY THE DIFFERENTIAL CORRECTOR DRAWS OFF THE LIQUID FROM ONE OF THE MECHANICALLY ADJUSTABLE SPACES ASSOCIATED WITH ONE OF THE WHEELS AT ONE SIDE OF THE CHASSIS AND ADDS IT TO THE MECHANICALLY ADJUSTABLE SPACE ASSOCIATED WITH ANOTHER WHEEL AT THE SAME SIDE OF THE CHASSIS TO EQUALIZE THE PRESSURES IN SAID TWO LAST-MENTIONED MECHANICALLY ADJUSTABLE SPACES.