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Spinal protection system for automotive seat

  • US 20060226686A1
  • Filed: 03/15/2006
  • Published: 10/12/2006
  • Est. Priority Date: 03/22/2005
  • Status: Abandoned Application
First Claim
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1. An energy absorption assembly for a seat assembly having a seatback including a first frame and a second frame, the energy absorption assembly comprising:

  • a housing;

    a torsion bar rotatably supported by said housing for movement in a first rotational direction and in a second rotational direction; and

    a locking mechanism operatively engaged with said torsion bar to permit rotation of said torsion bar relative to said housing in one of said first rotational direction and said second rotational direction to permit movement of the second frame relative to the first frame and restrict rotation of said torsion bar relative to said housing in the other of said first rotational direction and said second rotational direction to absorb energy.

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