Patent ID: 8511748

Claim:
A molded plastic seat back assembly for a vehicle, comprising: a. at least two polymeric vertical support members including a top portion, a center portion, and a lower portion, wherein at least a portion of the polymeric vertical support members have an alternating wall section portion including a front wall section, a connective middle wall section, and a back wall section; b. at least one cross-seat member connectively disposed between the polymeric vertical support members that includes: 1. cross-seat member center portion connectively disposed between the polymeric vertical support members at the center portion of the polymeric vertical support members; 2. at least two cross seat member diagonal support portions connectively disposed between the polymeric vertical support members at the top portion and the center portion of the polymeric vertical support members at or below an interface section of the center cross-seat member center portion and the polymeric vertical support members; and 3. a cross-seat member lower portion connectively disposed between the polymeric vertical support members at the lower portion of tie polymeric vertical support members; c. at least one recliner bracket connectively disposed to the on of the polymeric vertical support members for anchoring the molded plastic seat back assembly to a seat back recliner assembly; and d. at least one strap reinforcement member connected on the polymeric vertical support members at least in the back wall section, wherein the at least one strap reinforcement member spans a portion of the lower portion of the polymeric vertical support members to a portion of the center portion of the polymeric vertical support members.