A structure for a chair comprising a pair of substantially identical modular units each consisting of at least a pair of parallel bowed arcuate ground support members each shaped substantially as an arc of a circle and maintained in spaced relationship parallel to each other at their end by a cross-bar member to which are attached spaced apart stretched elongated flat bands or straps of plastic material, leather or fabric disposed substantially along the chord of the circular arc formed by the support members. Two basic modular units are longitudinally intermeshed together and angularly disposed to form a chair having a back supporting area and a seat supporting area defined by the exposed chordal straps of each modular unit. The angular position of the back supporting area relative to the seat supporting area may be pre-established or adjustable depending on whether the bowed arcuate support members of one modular unit are fixedly interconnected or removably and adjustably interconnected to the bowed arcuate support member of the other modular unit. In structures wherein the bowed arcuate support members are pivotally interconnected, in addition to the seat area being angularly adjustable relative to the seat area, the two areas are adjustable relative to each other such as to form a single substantially co-planar body supporting surface in the form of a hammock, and further facilitating transportation of the chair. The relative longitudinal position of the two modular units permits to obtain at will a stable chair or a rocking chair. The manner in which the diverse elements are assembled together may be such that all the elements may be disassembled and reassembled to facilitate transportation and packaging.
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