Abstract: The invention is directed to a child car seat, composed of a) a seat shell, comprising a bottom sitting region with at least one bottom stand surface to be stood on a seat of a vehicle, a backrest region extending upwardly from the sitting region and having at least one outer surface to be leaned against the backrest of the vehicle seat, and lateral surfaces, for example lateral armrests, shoulder supports and/or head supports, for limiting the lateral range of movement of a child, at least that portion of the backrest region that comprises a rear leaning surface being rigidly connected to the sitting region comprising a bottom stand surface, and b) a rather two-dimensional seat element, comprising a sitting surface and/or backrest that is/are disposed on the inner side, turned toward the child, of the seat shell and is/are adjustable with respect thereto in terms of inclination and position and is/are lockable in a plurality of different inclinations and/or positions by means of a manually operable device o

Abstract: This invention involves a child's car seat with a seat surface, a back rest, optionally with side arm supports and/or head supports or rests, and with side guides for the insertion of the belt of a car, and with at least one device for the automatic tightening of the car belt, and with a device for adjusting the inclination of the child's car seat relative to the vehicle's own seat. The device for the automatic tightening of the car belt is located in the area of a belt provided in the top area of the back rest guide and acts at the same time on the shoulder belt and the waist belt. There is further at least one device for fastening the car's shoulder belt immovably with respect to the child's car seat.