Spoiler device for attachment to a leading edge slat

Details Spoiler device for attachment to a leading edge slat Spoiler device for attachment to a leading edge slat

1983-08-05

1985-11-19

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244214, B64C 922, B64C 932

Patent

active

045537216

ABSTRACT:
The invention is a spoiler device for an aircraft having a leading edge slat (50) mounted on at least a portion of the leading edge of the wing of the aircraft. A rear portion (52) of the leading edge slat (50) is rotatably mounted thereto and movable from a retracted position to an extended position (52') so as to act as a spoiler. A latch mechanism comprising links 56, 60, 68 and spring member (76) which yieldably hold the rear portion (52) of the slat (50) in the retracted position. An actuator (80) is provided which is mounted to the wing and which is in detachable contact with the latch mechanism of the slat (50). Upon actuation the rear portion (52) is extended and is returned to the retracted portion by the spring member (76). The actuator (80) can be either mechanical, pneumatic, hydraulic or electrical.

REFERENCES:
patent: 1858259 (1932-05-01), Alfaro
patent: 1880967 (1932-10-01), Maxwell, Jr.
patent: 1917428 (1933-07-01), Burnelli
patent: 2194796 (1940-03-01), Joyce
patent: 2635837 (1953-04-01), Grant
patent: 3282535 (1966-11-01), Steiner

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