US Patent 7328949 Rocker chair base

A rocker mechanism for a rocker recliner chair having a seat, a back, a pair of armrests, and a recliner mechanism. The rocker mechanism includes a support portion and a pair of rocker cams. The support portion includes a pair of side rails with a cross plate interconnecting the side rails and extending between the sides of the chair. The rocker cams include a cam portion and a sidewall. The cam portion rests upon an upper surface of the side rails. The sidewall projects upwardly from the rocker cam. A second cross plate interconnects the sidewalls of the rocker cams. The cross plates contain a number of tabs formed therein. The tabs on the first and second cross plates are used to mount a pair of spring sets there between.