Patent ID: 7025424

Claim:
A chair back for a chair, comprising: (b) a support frame portion having a defined shape said defined shape having a wider top portion than a bottom portion and said bottom portion adapted to attach to a chair base member of said chair; (c) a tensioning frame portion having a defined shape; and (d) a removable elastomeric support pocket having a front side, a back side, a top region and a bottom region and an opening spanning across the width of the back side and adapted to receive said defined shape of said support frame portion and said defined shape of said tensioning frame portion; wherein said removable elastomeric support pocket is first slid over said support frame portion thereby conforming said removable elastomeric support pocket to said bottom portion and then said top portion of said support frame portion, and said removable elastomeric support pocket is slid second over said tensioning frame portion thereby conforming said removable elastomeric support pocket to said defined shape of said tensioning frame portion, and wherein said support frame portion is adapted to receive and secure said tensioning frame portion wherein the connecting of said tensioning frame portion to said support frame portion with said removable elastomeric support pocket provides tension to form said chair back.