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Aircraft passenger seat swivel assembly

  • US 5,568,960 A
  • Filed: 09/15/1995
  • Issued: 10/29/1996
  • Est. Priority Date: 09/15/1995
  • Status: Expired due to Term
First Claim
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1. An aircraft passenger seat swivel assembly to be connected between an aircraft seat frame upon which an individual sits and an aircraft seat base which is secured to an underlying support surface, the seat base including a pair of transverse spar segments spanning a pair of base rails;

  • said swivel assembly comprising;

    a bottom swivel plate,said bottom swivel plate including a generally annular recess formed therein and an exterior lock flange,said bottom swivel plate being structured to be secured to the seat base,a bearing track,said bearing track including a generally annular configuration and being structured to be disposed in said annular recess of said bottom swivel plate,said bearing track further including a plurality of slots disposed about a perimeter thereof,a plurality of bearing members, said bearing members being rotatably disposed in said plurality of slots of said bearing track,a swivel plate,said swivel plate including a generally annular configuration and having an exterior segment about an exterior perimeter thereof and an interior mount segment in an interior thereof,said exterior segment of said swivel plate being structured to ride on said bearing members disposed in said slots of said bearing track,said interior mount segment of said swivel plate being structured to supportingly receive the aircraft seat frame thereon,a lock ring, said lock ring including an annular lock recess and an exterior lock flange,said lock ring being structured for secured engagement of said exterior lock flange of said lock ring with said exterior lock flange of said bottom swivel plate such that said bearing track, said plurality of bearing members and said exterior segment of said swivel plate are rotatably retained between said annular recess of said bottom swivel plate and said annular lock recess of said lock ring,said lock ring further including a plurality of axially oriented notches disposed in spaced apart relation from one another along an interior perimeter of said lock ring, andlock means disposed on said interior segment of said swivel plate, said lock means being structured and disposed to selectively and axially extend a lock pin into a select one of said notches in said interior perimeter of said lock ring so as to retain said swivel plate non-rotatably disposed relative to said lock ring, said bottom swivel and accordingly the seat base.

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  • 7 Assignments
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