Patent ID: 8434808

Claim:
A vehicle seat comprising: a seatback pivotably attached to a floor panel and displaceable to an upright position and a horizontal position; a seat bottom pivotably attached to the seatback and displaceable to a use position orthogonal to the seatback and a storage position parallel to the seatback; and a lock mechanism retaining the seat bottom in the storage position when the seat bottom is displaced to the storage position, the vehicle seat being transformable to a dive-down state under which the vehicle seat is stored by moving the seat bottom to a lower position than the use position, the seatback and the seat bottom being stacked on top of the other, when the seatback is moved from the upright position to the horizontal position, wherein the seat bottom is provided with a detection lever which is displaced by abutting on the floor panel while the seat bottom is being placed into a the dive-down state, and the lock mechanism is configured to make inoperable a function for retaining the seat bottom in the storage position when the detection lever is displaced.