Patent ID: 7234772

Claim:
An articulated seating mechanism, comprising: a seat plate having a top side, a front side, a rear side, a right side, a left side, and an underside; first and second linear gear racks; a rocker base having an upper side; first and second side rails, each of said side rails having an arcuate side; first and second arcuate gear portions, each disposed on said arcuate side of one of said first and second side rails, said first and second arcuate gear portions in intermeshing relationship to said first and second linear gear racks, respectively; a seat back pivotally connected to said seat plate; first and second back links pivotally connected to said seat back and to said rocker base; whereby during rocking movements of said seating mechanism, said first and second linear gear racks provide a moving tangent relative to said first and second arcuate gear portions such that said rocking movements occur over a moving fulcrum.