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US 8,783,771 B2Granted
Extendable seat pan assembly with comfort spring
AssigneeBE Aerospace, Inc.
InventorMichael L. Oleson
Life of this patent
Estimating the term…
Abstract
An extendable seat pan assembly configured to be supported on spaced side walls of a seat frame and including a seat pan frame having spaced frame rails retained longitudinally parallel to and adjacent the side walls, and a seat pan slidably supported on the frame rails and defining an opening therethough spanned by a spring assembly including a plurality of springs. An aircraft passenger seat including an extendable seat pan assembly.
Claims18
An extendable seat pan assembly configured to be supported on spaced side walls of a seat frame, comprising:
- a seat pan frame having spaced frame rails each retained longitudinally parallel to and adjacent one of the side walls of the seat frame;
- a seat pan supported on the frame rails and slidable relative thereto in a direction longitudinally parallel to the frame rails, the seat pan defining an opening therethough spanned by a spring assembly including a plurality of springs;
- and
- the spaced side walls rotatably supporting rollers at their forward ends, the frame rails each having a cam profile along an underside of their forward end that travels on the rollers such that the cam profile moves the seat pan frame up and forward as the seat pan frame moves forward relative to the side walls.
1 more element
An aircraft passenger seat having an extendable seat pan, comprising:
- a seat frame including a backrest pivotably attached to spaced seat bottom side walls;
- and
- an extendable seat pan assembly supported on the spaced side walls, the seat pan assembly including a seat pan frame having spaced frame rails each retained longitudinally parallel to and adjacent one of the side walls of the seat frame, and a seat pan supported on the frame rails and slidable relative thereto in a direction longitudinally parallel to the frame rails, the seat pan defining an opening therethough spanned by a spring assembly including a plurality of springs, and the spaced side walls rotatably supporting rollers at their forward ends the frame rails each having a cam profile along an underside of their forward end that travels on the rollers such that the cam profile moves the seat pan frame up and forward as the seat pan frame moves forward relative to the side walls.
Dependencies are inferred from the claim text.