Importance

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Abstract

Dual flap sections are supported by linkage, first for chordwise movement of the forward flap section rearwardly from the wing and for chordwise movement of the rear flap section rearwardly from the forward flap section, and then for tilting of the two flap sections conjointly to increase their angle of incidence relative to the wing. The forward flap section is supported by motion-amplifying compound linkage for effecting chordwise movement of the forward flap section relative to the wing, and the rear flap section is supported by motion-amplifying compound linkage from the forward flap section for effecting chordwise movement of the rear flap section relative to the forward flap section. Control mechanism for both motion-amplifying compound linkages is connected to the wing and is movable first to actuate the linkages primarily for shifting the two flap sections chordwise rearwardly from the wing and then primarily to tilt the foward and rear flap sections conjointly to increase their angle of incidence.

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First Claim