Patent ID: 7866689

Claim:
A method of manufacturing a vehicle seat back frame comprising the steps of: a. providing a pair of side back frame portions; b. providing a first upper back frame portion including first and second ends and having an upper surface defining an intermediate portion having a first profile that is adapted to support a head restraint system; c. providing a second upper back frame portion including first and second ends and having an upper surface defining an intermediate portion having a second profile that is adapted to support a head restraint system, wherein the second profile that is adapted to support a head restraint system is different from the first profile; d. determining a desired profile of a vehicle seat back frame; e. selecting one of the first and the second upper back frame portions for attachment to the pair of side back frame portions corresponding to the desired vehicle seat back frame profile determined in step (d); and f. securing the first and second ends of the selected one of the first and the second upper back frame portions to the pair of side back frame portions.