Patent ID: 7845718

Claim:
A device for forming a bed surface comprising: (a) two face to face passenger seats separated by and defining a separation space sufficient to allow persons seated in the passenger seats to rest their feet upon a floor surface without touching the other person's feet, where each passenger seat has a seat back, a seat cushion, and a support frame secured to the floor surface and supporting the seat cushion so that a top surface of the seat cushion is at a first elevation above the floor surface supporting the passenger seats, so that an inflatable foundation block has a first top surface, a bottom surface, two end walls and two side walls, where the bottom surface is supported by a floor surface between the two passenger seats, the end walls and side walls rise to support the top surface at about the first elevation, the top surface has a width about that of the seat cushion, the top surface has a length from a top of one end wall to a top of another end wall and equals about a distance between opposing front edges of the seat cushions of the passenger seats, and the entire foundation block is adapted to be collapsed in a stowage state and expanded in an installed state for supporting on the first top surface at about the first elevation a torso weight of a user by way of multiple structure internal baffles, each connecting an inside surface of the top surface, the bottom surface and the side walls; and (b) multiple straps extending from the foundation block around each of the support frames of the passenger seat so as engage the foundation block to the passenger seats so that the top surface of the foundation block extends between the opposing front edges of the seat cushions of the passenger seats in the installed state.