Wing pivot assembly for variable sweep wing aircraft

Details Wing pivot assembly for variable sweep wing aircraft Wing pivot assembly for variable sweep wing aircraft

1978-05-11

1980-07-15

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

B64C 340

Patent

active

042124417

ABSTRACT:
A wing pivot assembly for variable sweep wing aircraft for movably securing a wing of the aircraft to the fuselage. The wing pivot assembly has a pivot pin supported by a pair of inboard lugs secured to the fuselage of the aircraft. The wing is, in turn, movably secured to the pivot pin by bearings interposed between the pivot pin and a pair of outboard lugs. In addition an outboard shear fitting located between the wing and the pivot pin movably supports the wing and transfers shear loads to the pivot pin. An inboard shear fitting and anti-rotation device secures and transfers shear loads between the pivot pin and the fuselage. As a result of the above arrangement a multi-load path structure provides for a fail-safe pivot assembly.

REFERENCES:
patent: B287270 (1975-01-01), Peschke
patent: 2794608 (1957-06-01), Johnson
patent: 2990141 (1961-06-01), Wallis
patent: 3227237 (1966-01-01), Moreno et al.
patent: 3279721 (1966-10-01), Dethman
patent: 3451646 (1969-06-01), Aarnaes
patent: 3559924 (1971-02-01), Jochner
patent: 3565369 (1971-02-01), Barton et al.
patent: 3606978 (1971-09-01), Whitener
patent: 3662462 (1972-05-01), Shiflet

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