Patent ID: 7077478

Claim:
A seat for a vehicle, comprising: a seat cushion disposed generally horizontally for supporting an occupant's buttocks; and, a seat back rising from a rear portion of the seat cushion for supporting an occupant's back, the seat cushion supporting a first cushion member on a first framework with a first cushion receiving member interposed therebetween, the seat back supporting a second cushion member on a second framework with a second cushion receiving member interposed therebetween, wherein the first cushion receiving member has a front end that is turnably supported at a front end of the first framework; the second cushion receiving member has a lower end that is turnably connected to a rear end of the first cushion receiving member; and, the second cushion member is supported on the second framework through a spring having an upper portion and a lower portion, said spring upper portion being fixed at at least two points to the second framework, and said spring lower portion being fixed to the second framework.