Torsion bar assembly for mechanical swing

Claim 1

A SWING SUSPENSION COMPRISING A HORIZONTALLY ARRANGED SUPPORT HOUSING HAVING A PAIR OF SPACED APART END WALL SUPPORTS; A HORIZONTALLY ARRANGED TORSION BAR MADE OF STIFF, ROD-LIKE MATERIAL AND HAVING ITS OPPOSITE ENDS EACH ROTATABLY CONNECTED TO ONE OF SAID END WALL SUPPORTS, THE CENTRAL PORTION OF SAID TORSION BAR BEING BENT INTO AN UPWARDLY OPENING, DEEP U-SHAPED WHOSE LEGS ARE SUBSTANTIALLY VERTICALLY ARRANGED AND WHOSE BASE IS HORIZONTALLY ARRANGED, WITH THE BASE AND LEGS JOINING AT RELATIVELY SHARP BENT CORNERS; A MOTOR SUPPORTED IN SAID HOUSING, THE MOTOR HAVING A DRIVEN, RECIPROCATING LEVER EXTENDING DOWNWARDLY THEREFROM AND BEING CONNECTED TO THE CENTER OF SAID BASE FOR RECIPROCATING SAID TORSION BAR ABOUT ITS ROTATABLY CONNECTED ENDS; A SWING HAVING A PAIR OF ELONGATED, UPRIGHT ARRANGED SWING SUPPORT RODS, EACH ARRANGED ADJACENT TO ONE OF SAID LEGS AND HAVING ITS UPPER END CONNECTED TO THE TORSION BAR AT A POINT LOCATED BETWEEN THE RESPECTIVE LEG AND TORSION BAR END AND EXTENDING DOWNWARDLY AT AN ANGLE TO THE VERTICAL TO CONTACT ITS RESPECTIVE LEG JUST ABOVE ITS CONNECTION TO SAID HORIZONTALLY ARRANGED BASE, THE RODS FURTHER EXTENDING DOWNWARDLY IN CONTACT WITH ITS RESPECTIVE LEG AND THEN EXTENDING FURTHER DOWNWARDLY AND HAVING ITS LOWER END LOCATED AT A CONSIDERABLE DISTANCE BENEATH THE TORSION BAR WITH THE LOWER END BEING FORMED WITH MEANS FOR CONNECTION TO SAID SWING; MEANS CONNECTING THE UPRIGHT RODS TO THEIR RESPECTIVE LEGS AT THE BENT CORNERS WHERE THE LEGS JOIN SAID BASE.