Power actuated seat-bed assembly

Claim 1

In a convertible seat-bed assembly comprising a base frame, a seat support, and a back support, linkage means connected between said frame and seat and back supports for supporting the seat and back supports for movement between a seat position wherein the seat support is generally horizonal and the back support is generally vertical, the improvement comprising motor means associated with said seat support and independent of said linkage means for urging said seat and back support into a selected one of their said seat and bed positions, wherein a threaded sleeve is pivotally connected to a bracket, which in turn is connected to said seat support, and a gear is associated with said bracket and motor means, said gear threaded within said sleeve and constituting means for shifting said seat support into a selected one of its said seat and bed positions, said sleeve pivotal connection constituting means for allowing said seat support to be raised upwardly when in its said seat position from its front towards said back support, said frame including first and second spaced frame end members whereby raising said seat support when in its seat position exposes a space between said frame and members.