Abstract: The invention relates to a device for adjusting seat length, comprising a seat front plate (12) that is movable relative to a seat frame (11), the plate (12) being mounted on a carriage that is slidably guided on a stationary mounting attached above said frame, the carriage and the mounting being situated between the frame and the seat front plate. The device comprises motor-driven control means for controlling the sliding of the carriage relative to the stationary mounting, the motor-driven control means (4) including a motor (43) arranged near the front of the seat, in front of the frame (1) and beneath the path of the seat front plate (12).

Abstract: The invention relates to a device for adjusting seat length, comprising a seat front plate (12) that is movable relative to a seat frame (11), the plate (12) being mounted on a carriage that is slidably guided on a stationary mounting attached above said frame, the carriage and the mounting being situated between the frame and the seat front plate. The device comprises motor-driven control means for controlling the sliding of the carriage relative to the stationaly mounting, the motor-driven control means (4) including a motor (43) arranged near the front of the seat, in front of the frame (1) and beneath the path of the seat front plate (12).

Abstract: A seat base length adjustment device including a seat nose plate assembled on a carriage movable with respect to the seating frame, means for slidably guiding the carriage, and means for maintaining the carriage in position with respect to said frame. The sliding guide means comprises a guide rail located in a middle portion of the carriage, the carriage supports a toothed wheel, rotatably assembled on the carriage along an axis perpendicular to the seating frame and to the sliding direction, and meshing with a rack arranged close to the guide rail, and the means for maintaining the carriage in position comprises a lock acting on the rotation of the toothed wheel.

Abstract: A seat base length adjustment device including a seat nose plate assembled on a carriage movable with respect to the seating frame, means for slidably guiding the carriage, and means for maintaining the carriage in position with respect to said frame. The sliding guide means comprises a guide rail located in a middle portion of the carriage, the carriage supports a toothed wheel, rotatably assembled on the carriage along an axis perpendicular to the seating frame and to the sliding direction, and meshing with a rack arranged close to the guide rail, and the means for maintaining the carriage in position comprises a lock acting on the rotation of the toothed wheel.

Abstract: A vehicle seat comprising a seat proper and a seat back comprising a bottom portion pivotally mounted on the seat proper via a first hinge mechanism situated on a first side of the seat back, and a top portion pivotally mounted on the bottom portion via a second hinge mechanism situated on the second side of the seat back, the top portion being mounted to pivot freely on the bottom portion on the first side of the seat back. On said second side, one of the cheek plates of the first hinge mechanism is connected to the bottom portion of the seat back by a locking member making it possible either to secure said cheek plate to the bottom portion of the seat back, or to allow said bottom portion of the seat back to pivot freely.