A swing assembly suitable for children ages new borne through 12 months has a seat member that surrounds the child, and a disk-shaped base with support legs extending upwardly therefrom. The width of the base exceeds the vertical extent of the swing assembly making it extremely stable. The base includes...http://www.google.es/patents/US6343994?utm_source=gb-gplus-sharePatente US6343994 - Low-profile infant swing assembly
