Patent ID: 7862116

Claim:
A seat cushion for use with an aircraft ejection seat comprising a frame having a seat back and a seat pan, wherein the seat pan is a rigid structure having a rearward edge proximal the seat back and a forward edge displaced in a forward direction from the seat back, said seat cushion comprising: a plurality of front edge securing straps, each of said plurality of front edge securing straps having a fixed end and a free end, the fixed end of each of said plurality of front edge securing straps being secured to the seat pan proximal the rearward edge thereof, the free end of each of said plurality of front edge securing straps having a front strap fastener attached thereto; a plurality of fixed front edge fasteners, each of said plurality of fixed front edge fasteners being attached to the frame of the ejection seat proximal the front edge of the seat pan, each of said plurality of fixed front edge fasteners being adapted to mate with one of said front strap fasteners, wherein the length of each of said plurality of front edge securing straps is such that each of said front edge securing straps is held substantially taut when a corresponding one of said front strap fasteners is engaged with a corresponding one of said fixed front edge fasteners; a plurality of fixed rear edge fasteners attached to the seat pan proximal the seat back; and a seat cushion body having a padded upper portion and a lower surface, the lower surface of said seat cushion body including having a plurality of forward edge straps and a plurality of rear edge securing straps attached thereto, each of said plurality of forward edge straps comprising a strap attached to said seat cushion body proximal the forward edge having a bight portion through which one of said plurality of front edge securing straps passes when said seat cushion body is installed, and each of said plurality of rear edge securing straps comprising a strap having a fixed end and a free end, the fixed end of each of said plurality of rear edge securing straps being attached to the lower surface of said seat cushion body at a location displaced from said fixed rear edge fasteners when said seat cushion body is installed, the free end of each of said plurality of rear edge securing straps having a rear strap fastener attached thereto, each of said rear strap fasteners being adapted to mate with one of said fixed rear edge fasteners, wherein the length of each of said plurality of rear edge securing straps is such that each of said rear edge securing straps is held substantially taut when a corresponding one of said rear strap fasteners is engaged with a corresponding one of said fixed rear edge fasteners when said seat cushion body is installed.