Fluid systems

Claim 1

A PRESSURE FLUID SUPPLY AND CONTROL SYSTEM FOR A PAIR OF DOUBLE ACTING PRESSURE FLUID MOTORS EACH HAVING A CYLINDER AND A PISTON MOVABLE THEREIN AND WITH THE PISTONS OF THE MOTORS BEING ADAPTED TO BE OPERATIVELY CONNECTED RESPECTIVELY TO DIFFERENT MOVABLE ELEMENTS OF A MECHANISM AND ONE OF WHICH ELEMENTS IS TO HAVE DELAYED ACTUATION RELATIVE TO THE ACTUATION OF THE OTHER OF SAID ELEMENTS; SAID SYSTEM COMPRISING A PAIR OF CONDUITS CONNECTED TO THE CYLINDER OF ONE OF SAID MOTORS ON OPPOSITE SIDES OF THE PISTON THEREOF, PRESSURE FLUID SUPPLY AND EXHAUST MEANS INCLUDING SUPPLY AND OUTLET CONDUITS, A MAIN CONTROL VALVE FOR INTERCONNECTING SAID SUPPLY AND OUTLET CONDUITS WITH SAID PAIR OF CONDUITS TO SELECTIVELY AND ALTERNATIVELY MAKE ONE OF SAID PAIR OF CONDUITS AN INLET CONDUIT AND THE OTHER AN EXHAUST CONDUIT TO SUPPLY PRESSURE FLUID TO SAID CYLINDER OF SAID ONE MOTOR ON ONE OR THE OTHER SIDE OF THE PISTON THEREOF AND EXHAUST PRESSURE FLUID FROM SAID LAST NAMED CYLINDER ON THE THE OPPOSITE SIDE OF THE PISTON THEREOF, A PAIR OF BRANCH CONDUITS CONNECTED TO THE CYLINDER OF THE OTHER OF SAID MOTORS ON OPPOSITE SIDES OF THE PISTON THEREOF AND EACH BEING CONNECTED RESPECTIVELY TO A DIFFERENT ONE OF SAID PAIR OF CONDUITS; AND VALVES IN SAID BRANCH CONDUITS AND EXCLUSIVELY OF THE TYPE PROVIDING FOR FREE PRESSURE FLUID FLOW THERETHROUGH FROM THE PAIR OF CONDUITS TO SAID CYLINDER OF THE OTHER OF SAID MOTORS AND A RESTRICTED PRESSURE FLUID FLOW THERETHROUGH FROM SAID LAST NAMED CYLINDER TO SAID PAIR OF CONDUITS WHEREBY THE PISTONS OF SAID MOTORS WILL BE SIMULTANEOUSLY SUBJECTED TO PRESSURE FLUID FROM THE SUPPLY CONDUIT OF THE PRESSURE FLUID SUPPLY AND EXHAUST MEANS WHILE THE EXHAUST OF PRESSURE FLUID FROM THE CYLINDER OF THE OTHER OF SAID MOTORS IS RESTRICTED RELATIVE TO THE EXHAUST OF THE PRESSURE FLUID FROM THE CYLINDER OF SAID ONE MOTOR THUS CAUSING DELAYED ACTUATION OF THE OTHER OF SAID MOTORS RELATIVE TO SAID ONE MOTOR.