Patent ID: 11400842

Abstract:
Disclosed is a vehicle seat (1) comprising a seat back (4) and a seat cushion (2), wherein the seat back comprises a hipbone supporting portion (4a) for supporting the hipbones of a seated occupant, and a thorax supporting portion (4b) provided above the hipbone support portion to support the thorax of the seated occupant, and the seat cushion (2) comprises an ischium supporting portion (2a) oriented to extend approximately horizontally to support ischial tuberosity point (8a) of the seated occupant, and a femur supporting portion (2b) provided forward of the ischium supporting portion to extend obliquely upwardly from the ischium supporting portion, and wherein the seat back is configured such that a spring constant (k3) of the thorax supporting portion is equal to or less than a spring constant (k2) of the hipbone supporting portion.