Hydraulic system for seismic carrier vehicle

Claim 1

IN THE COMBINATION OF A PULSE TYPE SEISMIC WAVE GENERATOR AND A VEHICLE FOR SUPERPOSITION THEREON INCLUDING FIRST SUPPORT WHEEL MEANS ON SAID VEHICLE, SECOND SUPPORT WHEEL MEANS ON SAID VEHICLE, GENERATOR SUPPORT MEANS MOUNTED ON SAID VEHICLE ENGAGING SAID GENERATOR AND MOUNTED FOR MOVEMENT BETWEEN POSITIONS IN WHICH SAID GENERATOR IS RELATIVELY LOWER AND RELATIVELY HIGHER ON SAID VEHICLE, MEANS ON SAID VEHICLE ATTACHED TO SAID GENERATOR SUPPORT MEANS FOR MOVING SAID GENERATOR TO SAID POSITIONS, AND MEANS ON SAID VEHICLE FOR RAISING AND LOWERING SAID SECOND SUPPORT WHEEL MEANS RELATIVE TO SAID FIRST SUPPORT WHEEL MEANS, WHEREBY WHEN SAID GENERATOR IS MOVED TO A SAID LOWER POSITION AND SAID SECOND SUPPORT WHEEL MEANS IS RAISED THE MASS OF SAID VEHICLE IS SUPPORTED ON SAID FIRST WHEEL MEANS AND ON SAID GENERATOR, THE IMPROVEMENT OF OPERATOR MEANS OPERABLY CONNECTED TO SAID MEANS FOR MOVING SAID GENERATOR SUPPORT MEANS AND TO SAID MEANS FOR RAISING AND LOWERING SAID SECOND SUPPORT WHEEL MEANS WHEREBY SAID GENERATOR IS LOWERED RELATIVE TO SAID VEHICLE AND SAID SECOND SUPPORT WHEEL MEANS IS RAISED RELATIVE TO SAID FIRST SUPPORT WHEEL MEANS SIMULTANEOUSLY IN ONE POSITION OF SAID OPERATOR MEANS AND WHEREBY SAID GENERATOR IS RAISED RELATIVE TO SAID VEHICLE AND SAID SECOND SUPPORT WHEEL MEANS IS LOWERED RELATIVE TO SAID FIRST WHEEL SUPPORT MEANS SIMULTANEOUSLY IN A SECOND POSITION OF SAID OPERATOR MEANS, SAID MEANS ATTACHED TO SAID GENERATOR SUPPORT MEANS INCLUDING FIRST DOUBLE-ACTING JACK MEANS EXTENDABLE TO LOWER SAID GENERATOR AND RETRACTABLE TO RAISE SAID GENERATOR AND SAID MEANS FOR RAISING AND LOWERING SAID SECOND WHEEL SUPPORT MEANS INCLUDING SECOND DOUBLE-ACTING JACK MEANS RETRACTABLE TO RAISE SAID SECOND SUPPORT WHEEL MEANS AND EXTENDABLE TO LOWER SAID SECOND SUPPORT WHEEL MEANS, AND SAID OPERATOR MEANS INCLUDING FIRST TWO-WAY VALVE MEANS, SECOND TWO-WAY VALVE MEANS, EACH SAID VALVE MEANS INCLUDING A FIRST CONDUIT CONNECTED THERETO, A SECOND CONDUIT CONNECTED THERETO AND A THIRD CONDUIT CONNECTED THERETO AND BEING OPERABLE TO A FIRST POSITION INTERCONNECTING THE FIRST AND THIRD CONDUITS CONNECTED THERETO AND TO A SECOND POSITION INTERCONNECTING THE FIRST AND SECOND CONDUITS CONNECTED THERETO, MEANS FOR CONNECTING SAID VALVES TO A SOURCE OF PRESSURE FLUID INCLUDING A PRESSURE CONDUIT CONNECTED TO SAID THIRD CONDUITS CONNECTED TO EACH SAID VALVE MEANS AND AN EXHAUST CONDUIT CONNECTED TO SAID SECOND CONDUITS CONNECTED TO EACH SAID VALVE MEANS, MEANS INTERCONNECTING THE RETRACTION SIDE OF THE SAID FIRST JACK MEANS, THE EXTENSION SIDE OF SAID SECOND JACK MEANS AND SAID FIRST CONDUIT CONNECTED TO SAID FIRST VALVE MEANS, MEANS INTERCONNECTING THE EXTENSION SIDE OF SAID FIRST JACK MEANS, THE RETRACTION SIDE OF SAID SECOND JACK MEANS AND SAID FIRST CONDUIT CONNECTED TO SAID SECOND VALVE MEANS, SAID FIRST AND SECOND VALVE MEANS BEING IN SAID FIRST AND SECOND POSITIONS THEREOF, RESPECTIVELY, IN SAID ONE POSITION OF SAID OPERATOR MEANS, AND SAID FIRST AND SECOND VALVES MEANS BEING IN SAID SECOND AND FIRST POSITIONS THEREOF, RESPECTIVELY, IN SAID SECOND POSITION OF SAID OPERATOR MEANS.