Seat device for vehicle

A seat device for a vehicle, which is disposed on a floor panel in a cabin equipped with an ingress and egress opening at a side, comprising;

• a front seat, the front seat comprising a seat cushion and a seat back;
• a rear seat, the rear seat being disposed behind said front seat and comprising a first seat and a second seat that are disposed side by side in a vehicle width direction,
• the first seat comprising a seat cushion and a seat back, the seat back of the first seat being configured so as to be folded on the seat cushion of the first seat, and pivotally attached to the floor panel by;
• a first-seat holding mechanism operative to hold said first seat with said seat cushion and said seat back folded on said seat cushion in a double-fold state where said seat cushion and seat back folded on the seat cushion are rotated forward together and positioned in an upright position substantially forwardly of the floor panel attachment of the first seat;
• the second seat comprising a seat cushion and a seat back;
• a second-seat moving mechanism to move said second seat laterally into a space at an original existing location of said first seat that is created behind said first seat taking said double-fold state, the second seat laterally moved by the second-seat moving mechanism forming a storage space between the second seat and a side wall of the cabin,
• wherein said second seat moved laterally by said second-seat moving mechanism can take a use position where a passenger can be seated thereon behind said first seat taking the double-fold state.