Patent ID: 8678504

Claim:
A seat assembly for mounting to a chair base to form a chair, the seat assembly comprising: a singly molded plastic shell having a seat bottom and a seat back extending upwardly from the seat bottom and having at least one mounting member on an underside of the seat bottom for coupling the seat assembly to the chair base, the at least one mounting member having a lateral movement preventer and at least one mounting tooth, wherein the at least one mounting tooth includes a notched flange open in a direction toward the seat back, and the lateral movement preventer includes an unnotched flange for preventing lateral movement of the seat assembly relative to the chair base; and a frame in the shell and having a seat bottom portion and a seat back portion extending upwardly from the seat bottom portion to provide shape and structural support for the seat assembly, whereby the seat assembly is modularly connectable to any chair base having at least one extension located and configured to be received in the at least one mounting member, regardless of the configuration of the chair base.