Yielding connection for anchoring a rigid arm to a vehicle frame

Claim 1

AN ANCHORAGE FOR A RIGID ARM ATTACHABLE TO AN AXLE ASSEMBLY, SAID ANCHORAGE PROVIDING FOR VIRTUALLY FREE, LIMITED MOVEMENT ABOUT AND LONG AN AXIS OF PIVOTING AND COMPRISING A RIGID ARM HAVING AN OPENING IN AT LEAST ITS ANCHORING END, A HANGER BRACKET ADAPTED FOR FIRM ATTACHMENT TO A VEHICLE FRAME, SAID BRACKET HAVING VERTICALLY AND LATERALLY SPACED ABUTMENT SURFACE PROVIDING AN OPENSAID GAP HAVING VERTICALLY SPACED SURFACE FOR THE RECEPTION THEREBETWEEN OF THE ANCHORING END OF SAID ARM, A PIVOT EXTENDING VERTICALLY THROUGH SAID OPEN-SIDE GAP, AND AN ELASTIC BUSHING COMPRISING A RUBBERY SLEEVE ACCOMMONDATED WITHIN SAID OPENING IN SAID ANCHORING END OF SAID ARM AND SLIDABLY EMBRACING SAID PIVOT, THE OVERALL HEIGHT OF SAID ELASTIC BUSHING BEING LESS THAN THE DISTANCE BETWEEN SAID VERTICALLY SPACED SURFACE WITHIN SAID GAP AND THE LATERAL WIDTH OF THE O PEN SIDE OF SID GAP BEING GREATER THAN THE WIDTH OF SAID ANCHORING END OF SAID ARM TO PERMIT OF LIMITED VERTICAL DISPLACEMENT OF SAID BUSHING ALONG SAID PIVOT AND ALSO LIMITED SIDE SWING AND TORSION OF SAID BUSHING RELATIVELY TO SAID PIVOT.