Stable two-axis case rotating gyroscopes

Claim 1

A TWO-AXIS CASE ROTATING GYRO COMPRISING A HOLLOW OUTER HOUSING, A HOLLOW INNER CASE FITTED TO AND ROTATABLY SUPPORTED BY THE OUTER HOUSING, THE AXIS OF ROTATION OF THE INNER CASE BEING CO-AXIAL WITH ONE AXIS OF THE OUTER HOUSING, THE INNER CASE HAVING A SPHERICAL SEGMENTAL INNER SURFACE FORMED THEREIN, A HOLLOW FLOAT OF GENERALLY SPHERICAL SEGMENTAL OUTER CONTOUR FITTED TO THE INTERIOR OF THE INNER CASE, CO-AXIALLY WITH THE AXIS OF ROTATION OF THE INNER CASE, THE VOLUME BETWEEN THE INNER SURFACE OF THE INNER CASE AND THE FLOAT BEING FILLED WITH A FOLTATION FLUID, A TUBULAR CENTRAL SHAFT FITTED TO THE FLOAT, CO-AXIALLY WITH THE LONGITUDINAL AXIS THEREOF, A FLEXURE SUPPORT MEMBER FITTED TO THE INNER CASE EXTENDING INTO THE TUBULAR CENTRAL SHAFT OF THE FLOAT, NORMINALLY CO-AXIALLY WITH THE LONGITUDINAL AXIS OF THE TUBULAR CENTRAL SHAFT, FLEXURE MEANS SUPPORTED BY SAID FLEXURE SUPPORT MEMBER, COAXIALLY THEREWITH, SAID FLEXURE MEANS BEING OPERATIVE TO ALLOW THE FLOAT TO BE ANGULARLY DISPLACED RELATIVE TO THE AXIS OF ROTATION OF THE INNER CASE ABOUT THE FLEXURE MEANS, AND WHEREIN SAID FLEXURE SUPPORT MEMBER IS FORMED IN A PLURALITY OF SECTIONS INCLUDING A FIRST FLEXURE SUPPORT SECTION FIXEDLY ATTACHED TO ONE END OF THE INNER CASE, A SECOND FLEXURE SUPPORT SECTION INSERTED INTO THE TUBULAR SHAFT OF THE FLOAT BETWEEN THE FIRST FLEXURE SUPPORT SECTION AND THE FLEXURE MEANS, CO-AXIALLY WITH THE FLEXURE MEANS, ONE END OF THE FLEXURE MEANS BEING FIXEDLY ATTACHED TO