A head restraint system for use with a vehicle seat and configured to cushion the head of a seat occupant in a lateral direction relative to the vehicle seat is disclosed. The head restraint system generally includes a head restraint cushion configured to be supported at a lateral side of the vehicle...http://www.google.fr/patents/US7178874?utm_source=gb-gplus-shareBrevet US7178874 - Lateral head restraint system
