Ejector seat security device for aircraft

Details Ejector seat security device for aircraft Ejector seat security device for aircraft

1989-06-05

1991-01-08

Jordan, Charles T.

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

B64D 25115

Patent

active

049829165

ABSTRACT:
An ejector seat device for aircraft includes a support structure which is adapted to be mounted in an aircraft and which can be ejected in an emergency, a seat connected to the support structure, a harness system which is capable of keeping a person in the seat and which comprises a recall device to immobilize the person in a suitable position at the moment of ejection, at least one pyrotechnical catapult capable of ejecting the support structure and the seat, together with a person sitting on the seat, out of the aircraft, a device for at least weakening the aircraft canopy by shock wave, a control handle, and an initiator connector to the handle for transforming a pull on the handle into a pyrotechnical signal. The pyrotechnical signal from the handle is transmitted in the form of a shock wave to the harness recall device and to the catapult.

REFERENCES:
patent: 2853258 (1958-09-01), Polleys
patent: 3083938 (1963-04-01), Brinkworth et al.
patent: 3214117 (1964-10-01), James et al.
patent: 3281097 (1966-10-01), Tienne
patent: 3420176 (1969-01-01), Pope
patent: 4570879 (1986-02-01), Dupin
patent: 4706909 (1987-11-01), Cuevas
Douglas Aircraft Company, Aces II Advanced Concept Ejection Seat, 9/78.

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