CHILD SEAT ANCHOR INCLUDING ENERGY ABSORBER

A vehicle seat includes a seatback and a child seat tether anchor supported by the seatback. The child seat tether anchor has a first member fixed to the seatback and a second member rotatably supported by the seatback. One of the first member and the second member defines a cavity with internal threads and the other of the first and second member is received in the cavity and has external threads engaged with the internal threads. A strap is on the second member. An energy absorber is in the cavity. The energy absorber is compressible relative to the first member and the second member.