Actuating mechanism for seat restraint divestment system

Details Actuating mechanism for seat restraint divestment system Actuating mechanism for seat restraint divestment system

1976-01-23

1977-06-14

Herrmann, Allan D.

Machine element or mechanism

Automatic operation or control

74471R, 74527, 244151A, G05G 1700, G05G 900, B64D 1730

Patent

active

040289486

ABSTRACT:
A mechanism for actuating a restraint divestment system for instant release of a crewman equipped with a parachute and restraint harness from an aircraft ejection seat mounted restraint assembly in the event of any emergency requiring such separation. In non-ejection emergencies, the mechanism effects the release of leg restraints, seat lap belt, and the disconnect couplings connecting the parachute riser and shoulder straps and survival kit to the harness so that, in the event of a surface emergency, the crewman can escape from the aircraft with his harness intact. The actuating mechanism includes a pull cord actuated bell crank mechanism which actuates the various release mechanisms and is then latched in its full release position, and an interlock which is actuated by the seat's ejection control, to prevent release of the parachute risers and survival kit thereafter, so that the system can then be utilized by a crewman for manual separation from the seat and parachute descent with his survival kit still attached to his harness.

REFERENCES:
patent: 2647605 (1953-08-01), Wilkinson
patent: 2986362 (1961-05-01), Gimalouski
patent: 3321921 (1967-05-01), Criffield
patent: 3658281 (1972-04-01), Gaylord
patent: 3767143 (1973-10-01), Gaylord

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