A rotatable armrest assembly comprises: an armrest support adapted to be connected to a base of the child car seat and having an insert hole; and an armrest having top and bottom ends that are opposite to each other in an axial direction, and provided with a shaft that extends into the insert hole so...http://www.google.co.uk/patents/US7850236?utm_source=gb-gplus-sharePatent US7850236 - Rotatable armrest assembly
