An adjustable bed includes at a minimum a head support and a back support pivotally connected to each other, a mechanism for pivoting the head support automatically from a first position horizontal and coplanar to the back support to an inclined position, and the latter mechanism being effective upon...http://www.google.de/patents/US7036165?utm_source=gb-gplus-sharePatent US7036165 - Adjustable bed with automatic adjusting head section
