Torsion bar assembly and method for manufacturing the same

Claim 1

AN ASSEMBLY WHICH IS CAPABLE OF AUTOMATICALLY ASSUMING A GIVEN CONDITION, COMPRISING A PAIR OF MEANS AT LEAST ONE OF WHICH IS TURNABLE RELATIVE TO THE OTHER ABOUT A GIVEN AXIS, AND A TORSION BAR EXTENDING ALONG SAID AXIS, SAID PAIR OF MEANS RESPECTIVELY BEING FIXED TO SAID TORSION BAR AT AREAS THEREOF WHICH ARE LONGITUDINALLY SPACED FROM EACH OTHER ALONG SAID TORSION BAR, AND SAID TORSION BAR RESILIENTLY AND YIELDABLY MAINTAINING AT LEAST SAID ONE TURNABLE MEANS AT A GIVEN INITIAL POSITION RELATIVE TO THE OTHER OF SAID PAIR OF MEANS, AND SAID TORSION BAR YIELDING WHEN SAID ONE MEANS IS TURNED ABOUT SAID AXIS RELATIVE TO SAID OTHER MEANS AWAY FROM SAID INITIAL POSITION AND AUTOMATICALLY RETURNING SAID ONE MEANS, TO SAID INITIAL POSITION WHEN SAID ONE MEANS CEASES TO BE ACTED UPON BY ANY FORCES WHICH DISPLACE IT FROM OR MAINTAIN IS DISPLACED FROM SAID INITIAL POSITION, SAID TORSION BAR BEING NON-METALLIC AND HAVING THROUGHOUT ITS ENTIRE LENGTH A NON-CIRCULAR CROSS SECTION WITH ANY ONE CROSS SECTION HAVING A CONFIGURATION IDENTICAL WITH AND ORIENTED IN THE SAME WAY AS ANY OTHER CROSS SECTION AT LEAST FOR A SUBSTANTIAL PORTION OF ITS LINEAR DIMENSION.