Patent ID: 7416256

Claim:
A base net supporting mechanism for a seat cushion supporting a base net disposed under a cushioning member for the seat cushion, wherein the seat cushion is disposed across a seat frame, comprising: a first torsion bar unit including a torsion bar, arms connecting to the torsion bar, and a supporting frame supported by the arms, and said arms being provided at a rear of the seat cushion and being pivotal forward and rearward around the torsion bar acting as a fulcrum, wherein said first torsion bar unit is provided so that the torsion bar acting as a fulcrum is positioned above the supporting frame supported via the arm; and a second torsion bar unit including a torsion bar, arms connecting to the torsion bar, and a supporting frame supported by the arms, and said arms being provided at a front of the seat cushion and being pivotal forward and rearward around said torsion bar acting as a fulcrum, wherein the base net is stretched between the supporting frame of said first torsion bar unit and said supporting frame of the second torsion bar unit.