US Patent 10099581 Support arrangement for a child seat

The present disclosure relates to a support arrangement for a child seat. The support arrangement comprises a support column having an axial direction. The support column is adapted to transfer a collision load in the axial direction. The support column comprises, or is constituted by, at least one inflatable body. The support column is adapted to in an inflated state of the inflatable body extend in the axial direction between the child seat and a support surface. The disclosure further relates to a kit comprising the support arrangement and a child seat. The disclosure also relates to a method to control extension in an axial direction of a support arrangement.