Device for adjusting the seat length for a motor vehicle seat and seat comprising such a device

A motor vehicle seat comprising:

• a seat bottom piece of adjustable length, the seat bottom piece comprising:
• a seating frame having a front crosspiece defining a front edge;
• and
• a seat nose plate for supporting a padding, the seat nose plate being mobile with respect to the seating frame;
• and
• a device for adjusting the seating length, the device comprising:
• a carriage slidably driven on a fixed support fixed to the seating frame, the seat nose plate being assembled on the carriage, the carriage and the fixed support located above the seating frame and under the seat nose plate;
• and
• a motor-driven control means for controlling the sliding of the carriage with respect to the fixed support, the motor-driven control means comprising a motor located in front of the front edge of the seating frame and under a trajectory of the seat nose plate, and a screw-nut system arranged in a central space between the fixed support and the carriage, the motor hidden by the padding of the seat nose plate.

A device for adjusting the seating length of a motor vehicle seat, the device comprising:

• a seating frame having a front edge;
• a seat nose plate for supporting a padding, the seat nose plate being mobile with respect to the seating frame;
• a carriage slidably driven on a fixed support fixed to the seating frame, the seat nose plate being assembled on the carriage, the carriage and the fixed support located above the seating frame and under the seat nose plate;
• and
• a motor-driven control means for controlling the sliding of the carriage with respect to the fixed support, the motor-driven control means comprising a motor located in front of the front edge of the seating frame and under a trajectory of the seat nose plate, and a screw-nut system arranged in a central space between the fixed support and the carriage.