of the tie bar 14 in one embodiment the seat support structure 10 is pivotably supported by a seat frame in a seatback having a seat bottom attached thereto in this manner the central cylindrical section 64 receives a seat structure of the seat bottom such that the seatback pivots relative the seat bottom about the bore 65 of the central cylindrical section 64 with reference to fig4 the operation of the seat support structure 10 will be described in detail in one embodiment the seat support structure 10 is fixedly mounted to a vehicle seat assembly 100 the vehicle seat assembly 100 includes a seatback 102 a seat bottom 104 and a recliner mechanism 106 the seat support structure 10 can be either mounted directly to the frame not shown of a seatback 102 or integrally formed therewith the seatback 102 is pivotably supported by the seat bottom 104 about the main pivot 16 specifically the seat bottom 104 is received by the bore 65 of the main pivot 16 and as such permits the seatback 102 to rotate relative the seat bottom 104 about the bore 65 to selectively rotate the seatback 102 relative the seat bottom 104 a recliner mechanism 106 is provided and is received by pivot 48 to selectively apply a.