Connection cut-off system for gyroscopic devices

Claim 1

IN A CORRECTION CUT-OFF SYSTEM FOR GYROSCOPIC APPARATUS CARRIED ON A MOVABLE CRAFT HAVING A GYROSCOPE WITH AN OUTPUT SHAFT STABILIZED WITH RESPECT TO MOVEMENTS OF SAID CRAFT ABOUT A CONTROL AXIS THEREOF AND CORRECTION APPARATUS FOR SLAVING SAID GYROSCOPE TO A REFERENCE DIRECTION, MEANS FOR DISABLING SAID CORRECTION APPARATUS TO AVOID ACCELERATION ERRORS WHEN THE RATE OF TURN OF SAID CRAFT ABOUT SAID CONTROL AXIS EXCEEDS A PREDETERMINED VALUE, SAID DISABLING MEANS COMPRISING: A ROTATABLE MAGNET MEMBER, SERVOMOTOR-DRIVEN FOLLOW-UP MEANS CONTROLLED BY SAID GYROSCOPE FOR DRIVING SAID MAGNET MEMBER AT A SPEED PROPORTIONAL TO THE RATE OF TURN OF SAID CRAFT ABOUT SAID CONTROL AXIS AND IN A DIRECTION DEPENDENT ON THE DIRECTION OF TURN OF SAID CRAFT ABOUT SAID AXIS, AN EDDY CURRENT DRAG MEMBER ROTATABLY MOUNTED IN AN INDUCTIVE RELATION WITH SAID MAGNET MEMBER WHEREBY SAID DRAG MEMBER EXPERIENCES A TORQUE VARIABLE IN MAGNITUDE AND DIRECTION IN ACCORDANCE WITH THE SPEED AND DIRECTION OF ROTATION OF SAID MAGNET MEMBER, RESILIENT RESTRAINING MEANS BIASING SAID DRAG MEMBER TO A CENTER POSITION, A CUT-OFF SWITCH HAVING A PAIR OF SPACED, FIXED CONTACTS AND A MOVABLE CONTACT CONNECTED TO BE DRIVEN INTO ENGAGEMENT WITH SAID FIXED CONTACTS BY SAID DRAG MEMBER WHEREBY THE CONTACTS OF SAID CUT-OFF SWITCH ARE CLOSED WHEN THE RATE OF TURN OF SAID CRAFT ABOUT SAID CONTROL AXIS EXCEEDS A PERDETERMINED VALUE IN EITHER DIRECTION, AND ELECTRORESPONSIVE MEANS CONTROLLED BY SAID CUT-OFF SWITCH FOR DISABLING SAID CORRECTION APPARATUS.