Patent ID: 8752901

Claim:
A vehicle seat that includes a seat structure member formed by a frame member and cushion, comprising: a linear pair of first supporting members that support the cushion; and a backing that covers a back side of the cushion, the back side being a side opposite a seating side of the cushion and having less expandability than the cushion, wherein the pair of first supporting members are attached to the frame member, are parallel to each other and extend along a seat length direction, the back side of the cushion is divided by the pair of first supporting members into a center portion arranged between the pair of first supporting members, and a pair of side portions arranged on both sides of the center portion; the center portion and the side portions each have a semi-cylindrical outer shape that projects from the back side of the cushion away from the seating side of the cushion, first arranging portions are recessed portions of the back side of the cushion that are recessed toward the seating side of the cushion and are provided on the back side of the cushion between the center portion and each of the side portions, and the first supporting members are recessed into the back side of the cushion at the first arranging portions.