Aeronautics and astronautics – Aircraft structure – Fuselage and body construction
Patent
1979-06-29
1984-03-20
Blix, Trygve M.
Aeronautics and astronautics
Aircraft structure
Fuselage and body construction
244122B, 244122AE, 280733, 297465, B64D 2502, B64D 2506
Patent
active
044376286
ABSTRACT:
An aircraft ejection seat position and restraint system for protecting an rcrewman against back injuries during emergency escape. The ejection sequence is initiated by the aircrewman pulling a lower ejection handle or a face curtain handle with both hands to release or shatter the cockpit canopy. A torso harness suit is concommittantly tightened with inflation of a vest worn between the aircrewman and the suit, and catapult rockets are fired to propel the seat out of the cockpit. The harness suit draws the aircrewman's upper torso against the back of the seat while the inflated vest pushes his hips back and down into the seat pan for optimally positioning his spine before ejection thereby negating the effects of an aircrewman purposely or inadvertently flying with a loose harness. After ejection, the seat is separated from the aircrewman but the vest remains inflated inside the harness providing cushioning against the opening shock force of the parachute which is attached to the harness suit. The inflatable vest is formed as a separate, one-piece garment which may be removed between flights.
REFERENCES:
patent: 3077324 (1963-02-01), Strickland
Blix Trygve M.
Corl Rodney
Hansen Henry
Sciascia R. S.
The United States of America as represented by the Secretary of
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