Aircraft passenger seat frame

  • US 5,636,901 A
  • Filed: 06/15/1995
  • Issued: 06/10/1997
  • Est. Priority Date: 06/15/1995
  • Status: Expired due to Term
First Claim
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1. An aircraft seat frame comprising:

  • (a) a seat back portion, said seat back portion including;

    a pair of spaced, generally vertically disposed side rails structured to generally define a width of said seat back,each of said side rails including a leading edge segment, a trailing edge segment, and an interior segment, each of said segments having a generally flat, planer configuration,said leading edge segment being disposed at a front edge of said interior segment in substantially perpendicular relation thereto,said trailing edge segment being disposed at a rear edge of said interior segment in substantially perpendicular relation thereto,said leading, trailing, and interior segments being disposed relative to one another so as to substantially maximize a resistance of said side rails to horizontal bending across a plane of said leading and trailing edge segments, while minimizing an overall weight of said side rails,(b) a load transference member spanning said interior segments of said side rails at generally a lower end of said side rails and secured thereto in a generally flush, perpendicular relation,said load transference member having a generally tubular configuration and being structured and disposed to transfer a portion of a load exerted on one of said side rails to a second of said side rails, andsaid load transference member having a diameter greater than a width of an upper portion of said side rails, so as to maximize a load transference thereof, while including a minimal wall thickness so as to minimizing a weight of said load transference member,(c) a seat foundation portion, said seat foundation portion being secured to said seat back portion such that a load exerted on said side rails of said seat back portion is translated into said seat foundation portion, and(d) said seat foundation portion being substantially disposed on a seat base portion structured and disposed to be secured to an underlying support surface.

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