Non-sway attachment for trailer hitch

Claim 1

A STABILIZING DEVICE FOR USE WITH A HITCH CONNECTING THE DRAFT FRAME OF A TRAILER TO A DRAFT MEMBER ON AN AUTOMOBILE, SAID HITCH INCLUDING A BALL-AND-SOCKET CONNECTION BETWEEN SAID DRAFT FRAME AND SAID DRAFT MEMBER, COMPRISING: A PAIR OF GENERALLY FORE-AND-AFT EXTENDING BARS DISPOSED ON OPPOSITE SIDES OF SAID TRAILER DRAFT FRAME, SAID BARS BEING CONNECTED AT THEIR FRONT ENDS TO SAID AUTOMOBILE DRAFT MEMBER AT LATERALLY SPACED POINTS ON OPPOSITE SIDES OF SAID BALL-AND-SOCKET CONNECTION; SAID BARS BEING HORIZONTALLY SWINGABLE WITH RESPECT TO SAID AUTOMOBILE DRAFT MEMBER, BUT RIGID WITH RESPECT THERETO IN THE VERTICAL DIRECTION; TENSION MEANS CONNECTED TO THE REAR ENDS OF SAID BARS AND EXERTING A FORCE THEREON TENDING TO PULL THE BARS INWARDLY TOWARD THE CENTERLINE OF THE TRAILER DRAFT FRAME; A PLATE FIXED TO THE INNER SIDE OF EACH OF SAID BARS INTERMEDIATE THE ENDS THEREOF, SAID PLATE HAVING A FLAT, SUBSTANTIALLY VERTICAL SURFACE, WITH A V-SHAPED NOTCH FORMED THEREIN; A PAIR OF PIVOT MEMBERS FIXED TO OPPOSITE SIDES OF SAID TRAILER DRAFT FRAME AND PROJECTING LATERALLY OUTWARDLY THEREFROM; EACH OF SAID PIVOT MEMBERS NORMALLY SEATING IN THE NOTCH OF ITS RESPECTIVE PLATE WHEN THE TRAILER AND AUTOMOBILE ARE IN A STRAIGHT LINE, AND SAID PIVOT MEMBER BEING CAUSE TO RIDE UP OUT OF SAID NOTCH AND TO SLIDE FORWARDLY OR REARWARDLY WITH RESPECT THERETO OVER SAID FLAT VERTICAL SURFACE WHEN THE AUTOMOBILE IS TURNED WITH RESPECT TO THE TRAILER; EACH OF SAID MEMBERS ACTING AS A FULCRUM FOR ITS RESPECTIVE BAR, WHEREBY INWARD TENSION EXERTED AGAINST THE REAR END OF THE BAR CAUSES THE FRONT END THEREOF TO EXERT A LATERAL OUTWARD FORCE ON SAID AUTOMOBILE DRAFT MEMBER, TENDING TO CENTER THE TRAILER DIRECTLY BEHIND THE AUTOMOBILE AND IN A STRAIGHT LINE WITH RESPECT THERETO.