Lounge chair with elastic support device

Claim 1

A chaise lounge comprising: a seat, a backrest, two foot frames, a plurality of lateral rods fixed between said two foot frames at a front portion, an intermediate portion and a rear portion, wherein said seat and said backrest comprises two side rods having a downwardly sloped front portion, an intermediate portion for a seat and an upwardly sloping portion for a backrest, and a soft surface sheet positioned between said two side rods; and a support device pivotally fixed between said two side rods and poised to expand said two side rods outwardly, said support device comprising two flat-shaped support rods and a support base connected pivotally to inner ends of said two support rods, said support base having an inverted U-shape with an opening facing downwardly, said support rods having inner ends pivotally connected to said support base and outer ends pivotally connected respectively to said two side rods, said two support rods and said support base including a combined length that is a little longer than the distance between said two side rods such that said two support rods can be expanded to form a line relative to said support base, and said support device providing elastic support for said side rods.