Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1995-12-05
1998-03-03
Grant, William
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
2441291, 244131, B64C 350, B64C 902
Patent
active
057226210
ABSTRACT:
A first upright leg has an upper end pivoted to the body of an aircraft by a first bracket secured to the aircraft skin, alongside a second leg pivoted to the aircraft by a second bracket. The bottom ends of the first and second legs are pivoted to a load bearing member which extends generally upward between them. The load beating member has a load connection point for pivotal attachment of the aft end of an aircraft trailing edge flap track thereto. Upward force applied at the load connection point by the aft end of the track biases the first leg, second leg and load bearing member to a stable central equilibrium position from which the aft end of the track can move laterally a few inches in either direction. Such force is transmitted primarily through one of the legs, rather than through both legs, and is applied to the body of the aircraft primarily as shear rather than as a punch load.
REFERENCES:
patent: 2158676 (1939-05-01), Engelhardt
patent: 2653071 (1953-09-01), Lundstrom
patent: 3438599 (1969-04-01), Welzen
patent: 3767140 (1973-10-01), Johnson
patent: 3785594 (1974-01-01), Lee
patent: 4248395 (1981-02-01), Cole
patent: 4434959 (1984-03-01), Rudolph
patent: 4448375 (1984-05-01), Herndon
patent: 4471928 (1984-09-01), Cole
patent: 4669687 (1987-06-01), Rudolph
patent: 4892274 (1990-01-01), Pohl et al.
Noble Jack
Sakurai Seiya
Grant William
The Boeing Company
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