Seat-Depth Adjustable Vehicle Seat with a First Seat Part and a Second Seat Part

A seat depth adjustable motor vehicle seat comprising:

• a first seat part, a second seat part and a longitudinal adjustment device interposed between the first seat part and the second seat part, the longitudinal adjustment device allowing for displacement movement in a first seat direction of the first seat part relative to the second seat part, wherein a toothed rack is provided, the toothed rack extends substantially in the first seat direction and is connected to the second seat part, a primary gear is provided and meshes with the toothed rack, a secondary gear is provided and is in rotating communication with the primary gear, a toothed bar is provided, the toothed bar extends substantially in a second seat direction and en-gages the secondary gear, and a third seat part is provided, the third seat part is slidably disposed in the second seat direction and is connected to the toothed bar.