Foldable bed

Abstract

A foldable bed comprising a frame including a body section, a cavity section, a seat section, and a foot section, each of which includes a pair of side rails, each of which are pivotally interconnected and which are movable between an unfolded position and a folded position, a mattress carried by the frame and movable therewith between the unfolded and folded positions, wherein in the folded position the mattress is folded upon itself to define an upper support surface, and interconnecting means for pivoting the frame sections between the unfolded position and the folded position, wherein in the unfolded position the body section, the cavity section, the seat section, and the foot section are serially and horizontally aligned, and the side rails of the sections are positioned along respective opposite sides of and generally below the mattress, and in the folded position, the body section is generally horizontal, the seat section overlies the body section, the cavity section extends substantially vertically between the body and seat sections, and the side rails of the seat section are disposed along the sides of the mattress and below the upper support surface is disclosed. The foldable bed also includes means for lowering the body section of the mattress during folding of the bed, a mattress comprising both collapsible and noncollapsible sections, biasing means which aid in the folding and unfolding of the bed, means for ensuring that the cavity section folds from the unfolded position simultaneously with the seat section folding about the cavity section, means for locking the bed into the folded position which comprises three sets of locking units, and an improved headrest mechanism.