Movable panel with compound curvature and method of making same

Details Movable panel with compound curvature and method of making same Movable panel with compound curvature and method of making same

1983-08-18

1985-12-10

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Details

B64C 114

Patent

active

045574405

ABSTRACT:
A plurality of lateral beams (28) are spaced along a center reference line. This line is preferably a mean contour between the curvatures at the lateral edges of panel (6). The longitudinal axes of beams (28) are oriented at a constant angle, preferably 90.degree., to the line. The ends of beams (28) are essentially identical. Two edge members (14, 16) have mating surfaces with essentially constant cross-sectional shapes and longitudinal axes that conform to the curvatures at said lateral edges. Members (14, 16) are twisted about their respective longitudinal axes to bring said mating surfaces into engagement with the ends of beams (28). The reference line may be located slightly inboard of the operational compound curvature of the panel (6) to give the panel (6) a modified, flattened contour. In such case, panel (6) is sufficiently flexible to bow to conform to said curvature when the inboard side of panel (6) is pressurized.

REFERENCES:
patent: 2457625 (1948-12-01), Amiot

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