Aircraft door operating mechanism

Details Aircraft door operating mechanism Aircraft door operating mechanism

1990-04-05

1992-02-25

Barefoot, Galen

Aeronautics and astronautics

Aircraft structure

Details

49379, 292 48, 292201, B64D 2514, B64D 4700

Patent

active

050906402

ABSTRACT:
A stored energy system for opening aircraft doors, especially useful in connection with emergency slide compartment doors. The system includes a mechanical energy door opening mechanism and a mechanical energy door latch mechanism leaving a latch actuator. Both the latch actuator and the door opening mechanism each have resident stored mechanical energy means wound by rotating an input shaft. Discharge of the energy is prevented by restraining a reverse rotation of the input device, thus enabling the mechanical energy means to be wound in only one direction. When the aircraft door is to be opened, the latch actuator delatches the door and subsequently the door opening mechanism employs a pivotably mounted arm to open the door.

REFERENCES:
patent: 538900 (1895-05-01), Dunn
patent: 944494 (1909-12-01), Noel
patent: 1258234 (1918-03-01), McKee
patent: 1314950 (1919-09-01), Desmond
patent: 1818698 (1931-08-01), Dicke et al.
patent: 2175534 (1939-10-01), Loftin et al.
patent: 4047441 (1977-09-01), Kellogg

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