Patent attributes
A seat includes a seat pan, having a seat pan front edge and a seat pan rear edge. The seat pan front edge defines a first pivot point and the seat pan rear edge defines a second pivot point. A lumbar cushion, having a lumbar cushion top edge and a lumbar cushion bottom edge, is articulately disposed adjacent to the seat pan rear edge. A backrest, having a backrest top edge and a backrest bottom edge, is articulately disposed adjacent to the lumbar cushion top edge. A headrest, having a headrest top edge and a headrest bottom edge, is articulately disposed adjacent to the backrest top edge. The seat pan, the lumbar cushion, the backrest, and the headrest are positionable with respect to one another such that seat is configurable into at least one of a taxi, takeoff and landing position, a limited recline position, a napping position, and a sleeping position. The first pivot point remains in a substantially fixed position for each of the positions.