Seat cushion structure

Claim 1

A seat cushion structure comprising: a seat cushion foam body having laterally spaced sides; a cushion frame having longitudinally spaced front and rear edges and laterally spaced side edges, said cushion frame being positioned below said seat cushion foam body; a support member connecting said side edges intermediate said front and rear edges and spaced a predetermined distance from said front edge; a border wire having a rear portion extending along the rear edge of said frame and side portions extending along respective side edges of said frame to points above and substantially even with said frame front edge, said border wire having retaining portions extending downwardly and rearwardly from said points to said support member along respective side edges of said frame, said border wire having a support portion extending from said support member upwardly and forwardly toward said front edge of said frame inwardly of said retaining portions; first means connecting said border wire to said support member at a juncture of said support portion and said retaining portion of said border wire adjacent each of said side edges of said frame, and second means connecting said rear portion of the border wire to said rear edge of the frame; a plurality of cushion springs, each having front and rear ends, disposed below said foam seat cushion, said springs connected at each said front end to said support portion of said border wire and connected at each said rear end to said rear portion of said border wire, said cushion springs supporting said foam seat cushion; and a support spring connected at opposite ends to respective side portions of said border wire at a location on each said side portion rearwardly of said points of said border wire, said support spring being connected intermediate said opposite ends to said support member, and said suport spring being connected also to each of said cushion springs rearwardly of the respective front ends of each said cushion spring.