Extensible camper

Claim 1

IN COMBINATION A TRUCK BODY HAVING UPRIGHT PLANAR SIDE AND END WALLS AND A CAMPER MOUNTED THEREON, SAID CAMPER HAVING A GENERALLY HORIZONTAL PLANAR TOP MEMBER AND DOWNTURNED SIDE AND ENDS, SAID DOWNTURNED SIDES AND ENDS BEING IN THE PLANE OF THE RESPECTIVE SIDES AND ENDS OF THE TRUCK BODY, SAID DOWNTURNED ENDS BEING INTURNED TO PROVIDE A SUPPORTING FLANGE, HINGED PAIRS OF SIDE AND END PANELS HINGED TO TOP MEMBER, THE UPPER SIDE OF SAID SIDE PANELS BEING HINGED TO THE LOWER EDGE OF SAID DOWNTURNED SIDES AND HAVING THEIR ENDS TERMINATING SHORT OF THE INNER EDGE OF SAID INTURNED SUPPORTING FLANGES, SAID PAIR OF END PANELS BEING HINGED TO SAID PLANAR TOP MEMBER AND EXTENDING DOWNWARDLY BETWEEN THE INNER EDGES OF THE INTURNED SUPPORTING FLANGE AND THE ENDS OF THE SIDE PANELS, AND JACK MEANS POSITIONED IN SAID TRUCK BODY ADJACENT THE INNER SIDE OF EACH OF THE END WALLS AND EXTENDING UPWARDLY ALONG THE OUTER SIDE OF SAID HINGED END PANELS AND HAVING THEIR UPPER ENDS SECURED IN CONTACTING RELATION TO THE RESPECTIVE INTURNED SUPPORTING FLANGES, THE UPPER EDGES OF SAID END WALLS OF SAID TRUCK BODY HAVING INWARDLY EXTENDING FLANGES THROUGH WHICH SAID JACK MEANS EXTEND AND WHICH COACT WITH SAID INTURNED FLANGES OF SAID PLANAR TOP WHEN THE CAMPER IS CLOSED, WHEREBY SAID CAMPER MAY BE EXPANDED INTO OPERATIVE POSITION OR COLLAPSED INTO INOPERATIVE POSITION.