Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1976-03-30
1977-09-20
Blix, Trygve M.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
B64C 904
Patent
active
040492192
ABSTRACT:
A double segmented airplane flap with the main flap movable by a four-bar linkage and the aft flap programmed with a linkage pivotally mounted to wing support structure. The two flap segments are pivotally joined. Linkage programming the aft flap segment is located and sized so that the two flap segments remain in the same relative position as to each other throughout main flap translation, but the aft flap segment may be rotated in either direction at any position by an actuating device.
REFERENCES:
patent: 2137879 (1938-11-01), Ksoll
patent: 2289704 (1942-07-01), Grant
Dean Roy Delmar
Weiland Richard Herschel
Blix Trygve M.
Case Morris A.
Donahue Bernard A.
Kelmachter Barry L.
The Boeing Company
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