Retractable landing gear for aircraft

Details Retractable landing gear for aircraft Retractable landing gear for aircraft

2006-03-07

2006-03-07

Swiatek, Robert P. (Department: 3643)

Aeronautics and astronautics

Landing gear

Retractable

Reexamination Certificate

active

07007891

ABSTRACT:
Retractable landing gear for an aircraft, the landing gear being of the type that is raised vertically, and comprising a plurality of independent legs, each leg comprising a structural part rigidly secured to a structure of the aircraft, a pivoting rocker beam supporting a pair of wheels, and a shock absorber. In accordance with the invention, the shock absorber of each leg is extended by a positioning portion enabling the total length of the extended shock absorber to be shortened in order to collapse the leg, and each leg further comprises a positioning actuator connected in hinged manner to the extended shock absorber and arranged to lengthen relative to a normal use position in order to lengthen the corresponding leg. This makes it possible to shorten and/or lengthen one or another of the legs of the landing gear while the aircraft is stationary or taxiing slowly.

REFERENCES:
patent: 3346218 (1967-10-01), Lucien
patent: 3653682 (1972-04-01), Kobayashi, et al.
patent: 4199119 (1980-04-01), Masclet
patent: 4422604 (1983-12-01), Turiot et al.
patent: 4681284 (1987-07-01), Veaux et al.
patent: 0676328 (1995-11-01), None
patent: 1279591 (2003-01-01), None

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