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Seat back of a vehicle seat with a seat back frame in the form of a pressed piece of sheet iron

  • US 6,607,247 B2
  • Filed: 07/11/2001
  • Issued: 08/19/2003
  • Est. Priority Date: 08/30/2000
  • Status: Expired due to Fees
First Claim
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1. A seat back of a vehicle seat, said seat back having a seat back frame in the form of a pressed piece of sheet iron, which pressed piece of sheet iron has been formed out of a sheet iron blank by a pressing process, said seat back frame being provided with a main region and with a border, said border being oriented transversely to said main region, said border being composed of the following merging border portions:

  • a left lateral border, a left bent corner border, a top border, a right bent corner border, and a right lateral border, said left lateral border and said right lateral border each having an upper end region, the seat back frame further comprising a left stiffening bead and a right stiffening bead, said left stiffening bead being located both in the upper end region of the left lateral border and in the main region, namely in a portion of the main region that is a) directly adjacent said upper end region and that is b) in the neighborhood of the left bent corner border, said right stiffening bead being located both in the upper end region of the right lateral border and in the main region, namely in a portion of the main region that is a) directly adjacent said upper end region and that is b) in the neighborhood of the right bent corner border.

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