Convertible chair for either sitting or lying

A piece of furniture convertible from a chair to a cot, and vice versa, comprising:

• a frame having a curved frame guide and a fixed back cushion;
• an inner carriage, and an outer carriage, both movable from a first, chair position within the frame to a second, cot position outside the frame, and vice versa, in said second position the outer carriage being further away from the frame guide than the inner carriage;
• a head cushion guidingly received in said frame guide and hinged to said inner carriage, the head cushion being movable from a stowed position behind the fixed back cushion when the inner carriage is in said first position, to a cot position when the inner carriage is in said second position, and vice versa;
• said frame having guides along which said inner carriage is displacable within the frame, wheels connected to said inner carriage remote from said head cushion for rolling along a floor;
• said outer carriage having a cushion carrier frame, a double cushion on said cushion carrier frame, lever means interposed between said cushion carrier frame and said outer carriage for adjusting the cushion carrier frame from a lowered position when the inner and outer carriages are in said chair position, to a raised position when said inner and outer carriages are in said cot position, and vice versa;
• means coupling said inner and outer carriages to each other, said coupling means comprising guide rails at said inner carriage and extending essentially parallel to a bottom of the inner carriage, sliding or rolling means connected to said outer carriage and displacable within said guide rails;
• a platform hinged to said inner carriage at an end thereof close to said head cushion, for receiving thereon one part of the double cushion in the cot position;
• and means for moving said platform into an essentially horizontal position when said inner and outer carriages are in said the cot position, said moving means including supporting elements connected to said lever means and adapted to support said platform when said lever means is in a dead center or over-center position, when said cushion carrier frame is in said raised position.