Patent ID: 7309103
Filing Date: 2007-12-18
Classification: B60N

Abstract:
1. A mobile vehicle passenger seat, comprising: a seating surface and a seat back, said seat back having a forward surface and a rearward surface, said seat back further having a first seat back frame, said first seat back frame having a mounting point for an upper portion of a seat belt, and said seat back further having a second seat back frame; an upholstery cover enveloping said seat back, said upholstery cover having a fabric seam, said fabric seam being separable upon articulation of said first seat back frame and said fabric seam functioning to absorb energy from a seat occupant upon separation; and said fabric seam is further comprised of stitching, said stitching progressively increasing in the number of connecting threads per given length of seam, the lesser number of connecting threads per given length of seam being near said mounting point of said upper portion of said seat belt upon said first seat back frame.