Retractable fuselage mounted undercarriage

Details Retractable fuselage mounted undercarriage Retractable fuselage mounted undercarriage

1978-03-02

1980-02-19

Barefoot, Galen L.

Aeronautics and astronautics

Landing gear

Retractable

B64C 2512

Patent

active

041891171

ABSTRACT:
A retractable fuselage mounted undercarriage comprising a leg casing mounted to pivot on a main universal joint about an axis which extends longitudinally of the aircraft, the leg casing mounting a wheel assembly which can pivot on the leg casing, a lateral deflection shock absorber and a manoeuvreing and wind bracing jack each connected to the leg casing by a joint and each connected to the fuselage by a joint, the main universal joint being mounted to pivot on the fuselage about an inclined retraction axis which does not pass through the point where the shock absorber is connected to the fuselage, so that, during lowering and retraction of the undercarriage effected by extending or retracting the manoeuvreing and wind bracing jack, the shock absorber acts as a directer bar and orientates the axis of the leg casing, which leg casing is rotated as the main universal joint pivots on the fuselage about the inclined retraction axis.

REFERENCES:
patent: 2772060 (1956-11-01), Bendicsen
patent: 3038687 (1962-06-01), Hartel
patent: 3086733 (1963-04-01), Hartel
patent: 3822048 (1974-07-01), Hartel
patent: 3951361 (1976-04-01), Hrusch

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