Abstract: A collapsible child seat (1) is disclosed, comprising a backrest (10), a seat surface element (20) and an adapter element (30, 30?) or a plurality of adapter elements (30, 30?) via which the child seat (1) can be connected to a pushchair frame, and a first locking element (50) via which the seat surface element (20) can be locked in relation to the adapter element (30, 30?) or adapter elements (30, 30?), wherein the first locking element (50) is configured in such a way that by reducing the angle between the backrest (10) and the seat surface element (20) the locking of the seat surface element (20) in relation to the adapter element (30, 30?) or adapter elements (30, 30?) can be released.

Abstract: A child seat for a motor vehicle having a carry shell with a carrying grip and a seat unit arranged within the carry shell having a back portion, a seat portion, and a leg portion. An upper backrest is fitted on the back portion of the seat unit for movement in a direction to and from the seat portion. The child seat also has a device for altering the position of the upper backrest relative to the back portion, and a harness with two shoulder straps, each shoulder strap being passed through a corresponding slot in the back portion and in the upper backrest, with pivotally mounted strap guides each being assigned to the belt slots in the back portion.

Abstract: A child push chair frame, such as a child push chair sports frame, buggy frame or similar vehicle frame for children, includes two rear wheels, at least one front wheel, and a pusher for pushing the child push chair frame. The child push chair frame may also include stabilizing struts that are foldable from a spread-apart travelling position into a fully folded-together transportation position and vice versa, and are latchable between these two positions and at least one further position, such as a parking position.