the invention relates to a foldable vehicle seat comprising a base structure , a cushion support member , front support arms , which are each hinged to the cushion support member on the one side and at a front hinge to the base structure on the other side , a carrier member , which is hinged at an upper hinge point to the base structure and at a lower hinge point to the cushion support member , and with a seat back , which is pivotally hinged to the base structure , more specifically , to the upper hinge point . the carrier member comprises a control region having a front flank and a rear flank . a projection is formed on the seat back that extends into the control region , while fitting against the front flank in the normal position and coming to bear against the rear flank when the seat back is tilted forward a first angle ; further , the projection pivots together with the carrier member when the seat back is tilted farther forward .