Patent ID: 7581792

Claim:
A method of assembling a portion of a vehicle seat frame comprising the steps of: a. providing a first upper back frame member having at least one tab suitable for supporting a dynamic head restraint system, the upper back frame member having upper and lower mating surfaces and operable to support a non-dynamic head restraint system; b. providing one of a second upper back frame member operable to support a non-dynamic head restraint system and a third upper back frame member operable to support a dynamic head restraint system, the one of the second and third upper back frame members including upper and lower mating surfaces suitable for attachment to the upper and lower mating surfaces of the first upper back frame member; c. positioning the one of the second and the third upper back frame members relative to the first upper back frame member, such that the mating surfaces of the one of the second and the third upper back frame members are aligned relative to the mating surfaces of the first upper back frame member; and d. attaching the respective mating surfaces of the one of the second and the third upper back frame member to the mating surfaces of the first upper back frame member.