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Energy-absorbing device, structure forming a mounting for an aircraft seat having such a device, and seat having such a structure

  • US 5,344,210 A
  • Filed: 01/21/1992
  • Issued: 09/06/1994
  • Est. Priority Date: 01/22/1991
  • Status: Expired due to Fees
First Claim
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1. An energy-absorbing device interposed between the front foot and the rear foot of a structure forming a mounting of an aircraft seat, in such a way that, when the structure is deformed in the event of a shock, the device undergoes at least one longitudinal compressive force, comprising a substantially elongate one-piece element, each end of which is associated respectively with one of the feet,3 in that said element comprises a first portion which shape is predetermined in such a way that this element undergoes a natural general structural plastic deformation according to a mode of deformation prescribed by said predetermined shape of said first portion, and in that said element comprises a second portion arranged so as to oppose the general structural plastic deformation of the element and to undergo a natural plastic bending deformation by buckling from a predetermined value of the longitudinal compressive force applied between said ends of said element.

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