Tilt-rotor wing fold mechanism and method

Details Tilt-rotor wing fold mechanism and method Tilt-rotor wing fold mechanism and method

1985-11-06

1987-09-08

Barefoot, Galen

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

244 49, 416142, B64C 2728, B64C 356

Patent

active

046918787

ABSTRACT:
A mechanism and method for folding the wing of a tilt-rotor aircraft, hav a rotatable load bearing member cooperatively disposed between a high point of the fuselage and the tilt-rotor wing, and a plurality of locking, load bearing pin joints disposed between the fuselage and the tilt-rotor wing, concentric to the rotatable load bearing member, and wherein the tilt-rotor wing may be stored by rotating the tilt-rotor wing, as a single segment, about the rotatable load bearing member, to a position substantially parallel to the fuselage, and wherein the wing may be locked in the flight configuration and the storage configuration with the same pin joints.

REFERENCES:
patent: 2679364 (1954-05-01), Sforza Del Pesaro
patent: 3592812 (1971-07-01), Glatfelter
patent: 3628833 (1971-11-01), Ricard
patent: 3721403 (1973-03-01), Gray et al.
patent: 3971535 (1976-07-01), Jones
patent: 3986686 (1976-10-01), Girard
patent: 4132374 (1979-01-01), Abell
patent: 4453426 (1984-06-01), Groutage et al.

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