Vehicle seat (1), with a seat part (2) and a backrest (3), which comprises a lumbar support (7), wherein the lumbar support (7) has a lumbar apex (7.1) towards the back of a seat occupant and tapers from there and that the lumbar support comprises a suspension 9, 11, 12) that results in load distribution with a primery load uptake (8. 1) at the lumbar apex (7.1).

Longitudinal, adjuster (27) having an outer and an Inner rail (50, 51), characterized in that the outer rail (50) has a structural element (53) which absorbs vertical forces and has a flexible element which biases a rolling body (52) against the inner rail (51).

Vehicle seat (1) having a seat part (2) and a backrest (3), wherein the supporting structure (44) of the seat part or the backrest, in particular the side part thereof, integrally has at least one spring element (40, 31) a pivot point (P) and/or a safety belt connection.

A vehicle seat structure includes a seat cushion; a center member provided below the seat cushion; leaf springs connecting a front portion and a rear portion of the center member and the seat cushion; a front support shaft provided at a front portion of the seat cushion to constitute a framework of the seat cushion and extending in the seat width direction; and a rear support shaft provided at a rear portion of the seat cushion to constitute the framework of the seat cushion and extending in the seat width direction, the front portion of the center member is attached to be rotatable about an axis of the front support shaft and immovable in the seat width direction, and the rear portion of the center member is attached to be rotatable about an axis of the rear support shaft and immovable in the seat width direction.