US Patent 7780230 Seat assembly with movable seat and backrest and method

A seat assembly (21) for a vehicle including a seat (22), a seat mounting assembly (20) mounting the seat (22) for movement along an upwardly concaved arcuate path, a backrest (25) assembly with a backrest member (23) having a lower portion (18) coupled for arcuate motion with the seat (22) and an upper portion mounted for movement in a vertically extending direction. The backrest assembly (25) further includes a recliner frame and mechanism (32, 33). A method of providing a seat assembly also is disclosed including the steps of mounting the seat (22) for movement along an upwardly arcuate path, mounting the backrest (25) proximate the seat, coupling a lower portion (18) of the backrest for movement with the seat (22) and mounting the upper portion of the backrest (23) for vertically extending movement.