Vehicle seat structure

A vehicle seat structure comprising:

• a seat cushion that supports buttocks and thighs of an occupant from below;
• a center member that is provided below the seat cushion and at a center in a seat width direction and extends in a seat front-rear direction;
• leaf springs connecting a front portion and a rear portion of the center member and the seat cushion;
• a front support shaft that is provided at a front portion of the seat cushion to constitute a framework of the seat cushion and extends in the seat width direction;
• and
• a rear support shaft that is provided at a rear portion of the seat cushion to constitute the framework of the seat cushion and extends in the seat width direction, wherein:
• the front portion of the center member is attached to be rotatable about an axis of the front support shaft and immovable in the seat width direction;
• and
• the rear portion of the center member is attached to be rotatable about an axis of the rear support shaft and immovable in the seat width direction.