Patent ID: 7770957

Claim:
A seat apparatus for a vehicle, comprising: an inner slide rail adapted to be mounted to a vehicle body; an outer slide rail adapted to be mounted to a portion of the vehicle body closer to a wall portion of a vehicle compartment, the outer slide rail including an outer upper rail and an outer lower rail which slidably houses the outer upper rail therein and is adapted to be mounted to the vehicle body; a seat cushion provided slidably in a longitudinal direction of the vehicle by the inner slide rail and the outer slide rail, the seat cushion configured to be flipped up to the wall portion of the vehicle compartment to be in a storage position; a hinge mechanism fixing the outer upper rail to the seat cushion; a bearing smoothly sliding the outer upper rail relative to the outer lower rail; a spring provided around a rotational shaft of the hinge mechanism for biasing the seat cushion in a direction to be flipped up; and at least one rotating member provided between the outer upper rail and the outer lower rail so as to receive a load in a lateral direction of the vehicle applied to the outer upper rail by the spring.