Safety harness device

Claim 1

AN INERTIA-OPERATED SAFTEY DEVICE FOR MOUNTING IN A VEHICLE TO RESTRAIN THE MOVEMENT OF A BODY WITHIN THE VEHICLE WHEN THE BODY IS SUBJECTED TO ACCELERATED MOVEMENTS RELATIVE TO THE VEHICLE COMPRISING, A PAIR OF TENSION MEMBERS FOR COUPLING TO THE BODY, A PAIR OF REELS ON WHICH SAID TENSION MEMBERS ARE WOUND, A MAIN SHAFT ON WHICH SAID REELS ARE ROTATABLY MOUNTED, YIELDABLE RESILIENT MEANS FOR RESILIENTLY COUPLING SAID REELS TO SAID SHAFT WHEREBY SAID REELS MAY ROTATE RELATIVE TO SAID SHAFT THROUGH A PREDETERMINED ANGLE, SECOND YIELDABLE RESILIENT MEANS COUPLED TO SAID SHAFT TENSIONED SO AS TO URGE SAID SHAFT IN THE DIRECTION TO ROTATE SAID REELS IN A DIRECTION TO WIND UP SAID TENSION MEMBERS THEREON, SAID REELS AND SHAFT BEING ROTATABLE AGAINST THE TENSION OF THE SECOND RESILIENT MEANS IN DIRECTION TO UNWIND THE TENSION MEMBERS FROM THE REELS RESPONSIVE TO MOVEMENTS OF THE BODY, A FLYWHEEL ROTATABLY MOUNTED IN AXIAL ALIGNMENT WITH SAID SHAFT, THIRD YIELDABLE MEANS COUPLING SAID FLYWHEEL TO SAID SHAFT TO ROTATE SAID FLYWHEEL IN UNISION WITH SAID SHAFT DURING ROTATION THEREOF IN THE UNWIND DIRECTION OF THE REELS BELOW A CERTAIN ACCELERATION, SAID THIRD YIELDABLE MEANS YIELDING DURING ROTATION OF SAID SHAFT AT SAID CERTAIN ACCELERATION WHEREBY SAID SHAFT ROTATES RELATIVE TO SAID FLYWHEEL, LOCKING MEANS OPERATED IN RESPONSE TO THE YIELDING OF SAID THIRD YIELDABLE MEANS FOR LOCKING SAID SHAFT AGAINST FURTHER ROTATION IN THE REEL UNWIND DIRECTION, SAID LOCKING MEANS HAVING A NORMAL POSITION IT ASSUMES WHEN THE REEL IS IN AN UNLOCKED CONDITION AND A LOCK POSITION WHEN THE REELS HAVE BEEN LOCKED AGAINST FURTHER UNWIND OF THE TENSION MEMBERS, AND MEANS FOR MOVING SAID LOCKING MEANS FROM SAID LOCK POSITION TO SAID NORMAL POSITION.