Patent ID: 6494539
Filing Date: 2002-12-17
Classification: A47C,B63B

Abstract:
A chair comprising:a chair seat having a seat plate for attachment to a support for holding the seat base plate generally horizontal; a seat pad mounted to the base plate on which a person can sit; a seat back having a back plate and a back pad against which a back of the person can rest; and two separate hinge members arranged side by side and connecting the back plate to the seat, the separate hinge members each comprising: a spring strap fastened to the seat base plate with the strap being bent to extend up behind the seat base plate to a top edge above the seat pad; a hinge plate attached to the back plate and extending therefrom downwardly into contact with the spring strap; and a hinge pin defining a horizontal hinge axis; wherein the hinge plate and the spring strap of each hinge member are each bent to define a respective sleeve portion surrounding the hinge pin for movement about the hinge axis to allow the seat back to fold down into a folded position onto the seat pad; wherein the hinge plate and the spring strap of each hinge member is shaped to prevent movement of the seat back rearwardly beyond a raised position; and wherein the spring straps of each hinge member are arranged such that the forces from the person leaning backward on the seat back are communicated through the hinge into spring flexing movement of the spring straps.