Bed-forming seating device

Claim 1

A BED FORMING SEATING DEVICE COMPRISING A PAIR OF METALLIC END FRAMES EACH HAVING A HORIZONTAL RAIL AND FLOOR LEGS AT EACH END OF THE RAIL, THE FLOOR LEGS AT THE REAR END OF THE RAIL BEING EXTENDED UPWARDLY AND JOINITLY CARRYING AN UPHOLSTERED BACK REST AND UPHOLSTERED ARM RESTS, THE BACK REST BEING EXTENDED FORWARDLY TO FORM AN OVERHANG AREA, A RECTANGULAR BED FRAME HAVING SPRINGS FOR THE SUPPORT OF A MATTRESS, THE BED FRAME HAVING PARALLEL SIDES RAILS AND PARALLEL END RAILS, THE MATTRESS SUPPORTING FRAME BEING SLIDABLY SUPPORTED UPON THE RAILS OF THE END FRAMES, MEANS FOR SUPPORTING THE MATTRESS FRAME AGAINST DISPLACEMENT FROM THE RAILS OF THE END FRAMES, AN UPHOLSTERED FRONT BOARD, PLATES TO WHICH THE FRONT BOARD IS RIGIDLY ATTACHED, SAID PLATES BEING PIVOTALLY ATTACHED TO THE FRONT LEGS AND PIVOTALLY CONNECTED TO THE END RAILS OF THE MATTRESS FRAME, THE FRONT BOARD ADAPTED TO SWING IN A VERTICAL PLANE TO BOTH LIFT AND SLIDE THE MATTRESS FRAME FORWARDLY OR REARWARDLY, THE MATTRESS FRAME AND ITS SUPPORTED MATTRESS WHEN SHIFTED REARWARDLY HAVING ITS REAR END INSERTED UNDER THE OVERHANG OF THE BACK REST AND, WHEN SHIFTED FORWARDLY, TO EXPOSE THE FULL AREA OF THE MATTRESS AS A SLEEPING SURFACE AND FREE FROM CONTACT WITH THE BACK REST, THE REAR LEGS OF THE END FRAMES BEING EXTENDED UPWARDLY TO ENGAGE WITHIN THE BACK REST AND BOLTS EXTENDING THROUGH ARM RESTS AND THE BACK REST FOR FIXEDLY SUPPORTING THE BACK REST OF THE ARM RESTS AGAINST MOVEMENT.