Patent ID: 7290837

Claim:
A vehicle seat having a seat back engaged over a seat bottom comprising: a seat back frame of a rectangular shape fixed within the seat back having a pair of side frames; upper and lower seat springs engaged on the side frames; a flexible cushion plate extending up from the bottom seat above a mid section of the seat back frame formed in a single plate attached to the upper and lower seat springs; and a seat back cushion supported by the cushion plate; wherein the cushion plate has an upper edge and a lower section wider than the upper edge along the width of the seat bottom; wherein the lower section has a projection having concave side edges tapering downward along the longitudinal axis of the cushion plate from a lower edge of the cushion plate so that the projection is situated midway between the side frames; wherein the upper edge has a gentle arcuate shape curving downward in the middle, and wherein the cushion plate has a middle section narrower than either the upper edge or the lower edge.