Patent ID: 7568768

Claim:
A chair, comprising: at least one support frame having two opposite side rails; a plurality of connectors mounted in each of the two side rails of the support frame; a plurality of elastic cords each mounted between the two side rails of the support frame and each having two opposite ends each attached to a respective one of the connectors; wherein each of the two side rails of the support frame has a hollow inside provided with a slideway to allow insertion of each of the connectors; each of the two side rails of the support frame has a side provided with a guide slot connected to the slideway to allow insertion of each of the connectors and to guide movement of each of the connectors; the guide slot of each of the two side rails of the support frame has a width smaller than that of the slideway; the guide slot of each of the two side rails of the support frame has two opposite sides each provided with a retaining groove connected to the slideway; each of the connectors is provided with two opposite fixing ribs each secured in the retaining groove of each of the two side rails of the support frame.