US Patent 7506925 Seat

In one embodiment, a seat includes a stiff substantially continuous first sheet suspended at three points on a stiff substantially continuous second sheet. In one embodiment, the first sheet defines a generally flat first wing and a first nose projecting forward from a center of the first wing, the second sheet defines a bow shaped second wing and a second nose projecting forward from a center of the second wing, and the second wing is positioned under the first wing such that left and right sides of the first wing are supported on uplifted ends of the second wing and the first nose is supported on the second nose.