This invention suggests a seat pad with enhanced adherence between a flexible foamed resin material and a beads-foamed-body, without decreasing the strength of the beads-foamed-body itself. An additional component (3) of the beads-foamed-body is attached a...

The seat (1,2) has a lower spring layer (10) which is arranged at a lower area of the seat part frame (3) is non-adjustable at lower seat frame. An upper adjustable spring layer (14) is provided at a distance from lower spring layer and foam part (10) is a...

A cushioning material 8 is stretched over a frame 6 by engaging only front and rear edges of the cushioning material 8 with the frame 6, thereby applying a tension to the cushioning material 8 substantially only in the longitudinal direction thereof: