Patent ID: 8308241

Claim:
A chair, comprising: a seat; a base with a column extending upwardly therefrom; a plurality of legs having first end portions connected to the base, the legs extending outwardly therefrom; a wheel connected to a second end portion of each said leg, the second end portions being opposite the first end portions; a support assembly having a body portion located on the column under the seat, the support assembly having a downwardly extending arm located below a forward portion of the seat, the downwardly extending arm having a lower end, the lower end having a first spring; at least one upwardly extending arm connected from the first spring to the seat; and a floating lumbar support having a lumbar support arm connected to the support assembly via a second spring, wherein the chair is usable in neutral upright, forward tilt, and reclined positions, wherein the at least one upwardly extending arm is adapted to move forward with respect to the downwardly extending arm, and the lumbar support arm is adapted to pivot forward with respect to the seat, as a sitter in the chair moves from the neutral upright position to the forward tilt position, and wherein the at least one upwardly extending arm is adapted to move rearward with respect to the downwardly extending arm, and the lumbar support arm is adapted to pivot backward with respect to the seat, as the sitter moves from the neutral upright position to the reclined position.