Aeronautics and astronautics – Landing gear – Retractable
Patent
1978-02-22
1979-10-09
Barefoot, Galen L.
Aeronautics and astronautics
Landing gear
Retractable
B64C 2514
Patent
active
041703324
ABSTRACT:
A landing gear undercarriage which attaches to and retracts into the fuselage of an aircraft. The undercarriage has left and right matching portions, each of which includes a forward strut and a rearward hydraulic jack, both of which are coupled to the fuselage by cardan joints. A shock absorber is mounted on the fuselage outside of the strut and converges downwardly towards the strut to which it is coupled at the bottom by a cardan joint. A cylindrical sleeve is mounted at the bottom of the strut, and a spindle which supports a landing wheel is rotatably mounted in the sleeve. The bottom of the hydraulic jack is coupled to the spindle, and the arrangement is such that as the jack causes the undercarriage to retract into the fuselage, the spindle and wheel are rotated into a flat position in which they may be stored in a relatively small landing gear well. A second embodiment is also disclosed which is substantially similar to that already described, but wherein the mechanical linkages to the spindle are slightly different.
REFERENCES:
patent: 2772060 (1956-11-01), Bendicsen
patent: 2960288 (1960-11-01), Havtel
patent: 3346218 (1967-10-01), Lucien
patent: 3357659 (1967-12-01), Lucien
Masclet Jean
Turiot Andre
Barefoot Galen L.
Messier-Hispano-Bugatti
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