Fluid driven gyroscope

Claim 1

IN A FLUID DRIVEN GYROSCOPIC APPARATUS FOR USE IN A GUN-LAUNCHED MISSILE, IN COMBINATION, A GUN-LAUNCHED MISSILE, A TUBULAR CASING, A PAIR OF MASSIVE CLOSURES HAVING AXIAL BORES INDIVIDUAL THERETO AND SECURED TO THE ENDS OF SAID CASING, EACH OF SAID BORES HAVING AN ENLARGED OUTER END PORTION AND A REDUCED INNER END PORTION, A PAIR OF SPRING SEATS FIXEDLY MOUNTED IN THE ENLARGED END PORTION OF SAID BORES RESPECTIVELY, COILED SPRINGS RESPECTIVELY ARRANGED IN SAID BORES AGAINST SAID SEATS, BEARING MEMBERS RESPECTIVELY ENGAGING SAID SPRINGS AND SLIDEABLE WITHIN SAID BORES, AN UNDIVIDED SHAFT PIVOTALLY MOUNTED FOR ROTATING IN SAID BEARING MEMBERS AND MOVABLE AXIALLY THEREWITH, SAID SHAFT BEING OF SUFFICIENT LENGTH TO NORMALLY COMPRESS SAID SPRINGS TO APPROXIMATELY HALF OF THE MAXIMUM COMPRESSION THEREOF, SAID BEARING MEMBERS BEING URGED AGAINST THE ENDS OF SAID SHAFT BY SAID SPRINGS WHEREBY THE BEARINGS WILL FOLLOW THE SHAFT DURING AXIAL MOVEMENT THEREOF, AN ANNULAR ROTOR, A GIMBAL FOR PIVOTALLY MOUNTING THE ROTOR ON SAID SHAFT INTERMEDIATE SAID BEARING MEMBERS, AND STOP MEANS ON EACH OF SAID MASSIVE CLOSURES FOR ENGAGING AND ARRESTING AXIAL MOVEMENT OF SAID ROTOR IN A POSITION NORMAL TO THE AXIS OF SAID SHAFT WHEN THE SHAFT HAS BEEN MOVED AXIALLY BY SET-BACK FORCE FROM AN INITIAL POSITION OF REST TO A MOVED POSITION DURING THE GUN LAUNCHING OF SAID MISSILE.