Adjustable seat back cover/tray assembly

An adjustable seat back cover/tray assembly for attachment to a seat back of an automotive vehicle, comprising:

• a frame,
• a first guide adapted to be secured to the seat back to support the frame for generally up and down movement relative to the seat back between an up position and a down position,
• a second guide hinged to the frame for pivotal movement about a generally horizontal pivot axis from a generally horizontal position extending rearwardly from the frame to a collapsed position overlying the frame,
• a tray mounted on the second guide for sliding movement from a forward retracted position closely adjacent to said pivot axis rearwardly to an extended position more remote from said pivot axis,
• a collapsible guide support for supporting said second guide selectively in said generally horizontal position and in said collapsed position, and
• a frame lock for releasably locking said frame in selected positions of up and down adjustment along said first guide,
• said tray providing a cover substantially concealing said frame, said first guide, said second guide, said guide support and said frame lock when said frame is in the up position, said guide support is in the collapsed position, and said tray is in the retracted position.