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Seatback articulation assembly and method

  • US 10,450,072 B2
  • Filed: 11/28/2017
  • Issued: 10/22/2019
  • Est. Priority Date: 11/28/2017
  • Status: Active Grant
First Claim
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1. A seatback articulation assembly for a passenger seat, comprising:

  • an adjustable seat pan;

    a lower seatback pivotally connected to the adjustable seat pan;

    an upper seatback pivotally connected to the lower seatback; and

    a link pivotally connected at one end to the adjustable seat pan, the link comprising a contoured free end disposed between a lower seatback cam follower and an upper seatback cam follower, the contoured free end comprising opposing first and second cam surfaces along which the respective lower and upper seatback cam followers travel as the link moves to control an angular relationship between the lower seatback and the upper seatback, the opposing first and second cam surfaces asymmetrical about a longitudinal axis of the contoured free end, and the first cam surface facing in a first direction and the second cam surface facing in a second direction opposite the first direction.

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