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Vehicle damping device for a vehicle seat / vehicle cabin

  • US 9,296,321 B2
  • Filed: 09/12/2011
  • Issued: 03/29/2016
  • Est. Priority Date: 09/13/2010
  • Status: Active Grant
First Claim
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1. A vehicle damping device for a vehicle seat (1) comprising a fixed lower part (5), an upper part (4) of the vehicle seat (1) vibrating in relation to the lower part (5), two or more scissor arms (6, 7) attaching the fixed lower part (5) to the upper part (4), and at least one damper (9) wherein one end of the damper (9) is mounted on one of said arms and a second end of the damper (9) is mounted on the fixed lower part (5), said damping device characterised in that in a damping force-speed diagram, with rising speed (11) of the vibrating upper part (4) in relation to the fixed lower part (5), a damping force (10) of the damper (9) develops such that the damping force (10) in a first speed range (15) has a linear first course (12) with a first gradient and in a second speed range (16, 18) a second course (14, 19) with a second gradient steeper than the first gradient, wherein the second gradient is always steeper than the first gradient independent of the position of a transition (17) of the damping force (10) from the first to the second course (12, 14, 19).

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