Patent ID: 7874618

Claim:
A vehicle seat with a backrest and a seat part, wherein the seat part can be displaced in the forward and backward directions with respect to a base frame and the backrest has a lumbar spine region which can be deformed in the forward and backward directions, the seat comprising: a first pivot axle attached to the seat part; a rocker element which is arranged in the lumbar spine region such that the rocker element is attached at a first end to the first pivot axle, said rocker element extending at least partially along the longitudinal direction of the backrest, wherein the first pivot axle can be displaced together with the seat part in the forward and backward directions; a backrest frame being rotatably attached to the base frame at only a single point axle; a post having one end fixedly attached to the backrest frame; a second pivot axle located on a second end of the post, wherein the rocker element is rotatably attached to the second pivot axle of the post at a point between ends of the rocker element, wherein the rocker element is covered on a front side by a backrest pad which is transitional between a lordosis and kyphosis shape by changing an angle between the rocker element and the post.