VEHICLE SEAT

Vehicle seat comprising a backrest, a seat part and a seat part upper portion connected to the seat part and displaceable relative to the seat part, the backrest being connected to the seat part in such a manner as to be rotatable about a first axis of rotation, characterised in that the backrest and the seat part upper portion are connected to one another in such a way that, when the backrest is rotated about the first axis of rotation, the seat part upper portion is displaced relative to the seat part.