Self-deploying afterbody apparatus for an ejection seat

Details Self-deploying afterbody apparatus for an ejection seat Self-deploying afterbody apparatus for an ejection seat

1982-09-14

1984-07-31

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

244130, 296 1S, B64D 2510

Patent

active

044625626

ABSTRACT:
A self-deploying afterbody apparatus for an ejection seat of an aircraft includes a cover plate, a plurality of arcuate-shaped stiffeners and a fabric skin of material. The cover plate is pivotally mounted at one end to the back side of the ejection seat and the stiffeners are pivotally mounted at their bases to the back side of the seat and share a common pivotal axis with the cover plate. The stiffeners are located between the cover plate and seat, and the fabric skin extends between the cover plate and seat and covers the stiffeners so as to form an expandible and collapsible bellows-like afterbody structure. In the collapsed position, the afterbody structure is folded up and locked against the back of the seat. When the seat ejects, a lanyard attached between the cover plate and aircraft floor pulls the afterbody structure into an expended, operative position. When the afterbody structure is fully extended, the continued ejection of the seat causes the lanyard to detach from the floor or cover plate.

REFERENCES:
patent: 2829850 (1958-04-01), Culver
patent: 2931598 (1960-04-01), Sanctuary
patent: 3334847 (1967-08-01), Axenborg
patent: 3432125 (1969-03-01), Schroeder, Jr.
patent: 3679157 (1972-07-01), Roberts et al.
patent: 4261535 (1981-04-01), Swanson
patent: 4319723 (1982-03-01), Schultz

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