Patent ID: 8016341

Claim:
A motor vehicle seat comprising: a backrest, a thigh support connected to the backrest by a pivot connection and to a vehicle floor by a front underframe, at least one oscillating arm connected by two pivot connections to the backrest and to the vehicle floor or a bracket disposed in proximity to the vehicle floor, the seat being movable between: an unfolded condition in which the thigh support is approximately parallel to the floor and the backrest approximately vertical, each oscillating arm being in line with the backrest, so that the backrest is extends relatively upward, and a folded condition in which the backrest is closed down approximately horizontally on the thigh support, wherein, when moving from the unfolded condition to the folded condition, each oscillating arm pivots in a direction opposite to the pivoting direction of the backrest allowing disposal alongside the backrest wherein it has the seat includes guide means for the backrest when the seat is being moved from its unfolded condition to its folded condition, wherein the backrest is provided with at least one roller that travels in at least one rail, connectable to the floor, when the seat is moving, and wherein each rail is connected by a pivot connection to the floor, and forms an acute angle with the floor when the seat is in the unfolded position and forms a null angle with the floor when the seat is in the folded position.