Patent ID: 6953223

Claim:
A passenger seat for a multi-passenger motor vehicle, the vehicle having a body with a seat mounting surface, comprising: a seat frame, mountable to the seat mounting surface; an immovable rear seat frame engaged to said seat frame, said rear seat frame providing an obstruction to protect a passenger of a vehicle rearward seat from moving out of his safety zone in a forward direction in the event of a vehicle rapid deceleration; a movable front frame, pivotably engaged to said seat frame forward of said immovable rear seat frame, said movable front frame providing a back resting surface for a passenger; a three point seat belt, an upper portion of said seat belt being engaged to an upper portion of said movable front frame, said seat belt causing a pivoting force upon said movable front frame during an activation event; said immovable rear frame being comprised of a rear frame seat structure, and an energy absorbing back pan with variable thickness foam; said rear frame seat structure being comprised of two vertical spars with one upper horizontal spar running between the upper portions of the vertical spars; said energy absorbing back pan having four sides, with three of said sides engaged to said two vertical spars and said upper horizontal spar of said rear frame seat structure, with a fourth lower horizontal side not attached to said rear frame seat structure; and said back pan having foam on a rearward side, said foam including an upper foam zone and a lower knee impact zone, said knee impact zone having a foam thickness less than said upper foam zone foam thickness.