Hybrid composite-metal energy absorbing seat

Details Hybrid composite-metal energy absorbing seat Hybrid composite-metal energy absorbing seat

2005-05-24

2005-05-24

White, Rodney B. (Department: 3636)

Chairs and seats

Crash seat

C297S216130, C297S452180, C297S452190, C297S452200, C297S452550

Reexamination Certificate

active

06896324

ABSTRACT:
A hybrid composite-metal energy absorbing seat is described. According to one embodiment, an aircraft seat includes a seat base assembly and a seat back assembly. The seat base assembly includes multiple rigid metal seat base side frame elements joined by a lower seat pan, an energy absorbing element placed on the lower seat pan to deform and absorb downward energy in a crash, and a contoured seat pan whose sides extend past the seat base side frame elements and deform to absorb downward energy in a crash. The seat back assembly is attached to the seat base assembly and includes multiple rigid metal seat back side frame elements joined by a contoured composite seat back. The rigid metal seat back side frame elements absorb forward crash load energy by permanently deforming during a severe forward crash load. The contoured composite seat back provides design/aesthetic flexibility.

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