Seat back hinge fitting for a motor vehicle seat

A seat back hinge fitting for a motor vehicle seat which motor vehicle seat has a seat carrier and a seat back, the seat back hinge fitting having:

• a) a lower arm, the lower arm having means to rigidly fasten the lower arm to the seat carrier;
• b) an upper arm, the upper arm having means to rigidly fasten the upper arm to the seat back;
• c) a forward tilting hinge for swiftly tilting the seat back forward from a normal utilization position into a forward tilted position, the forward tilting hinge having a bearing hole provided in one of the upper and lower arm, the forward tilting hinge further comprises a bearing pivotally arranged in said bearing hole, a locking device which locking device normally locks a pivot movement of the bearing in the bearing hole and a release means for disengaging the locking device, the release means being actuated for the purpose of tilting the seat back forward into the forward tilted position;
• and
• d) an adjustable hinge for angularly adjusting the seat back relative to the seat carrier which adjusting is within a useful angular range of the seat back in the normal utilization position of the seat back, said hinge being disposed between the bearing and the one of the upper and lower arm not provided with the bearing hole.