Aircraft ejection seat safetying device

Details Aircraft ejection seat safetying device Aircraft ejection seat safetying device

1979-11-09

1981-09-22

Frankfort, Charles E.

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

70202, 70211, 74526, 244 1R, 244224, B64D 2510

Patent

active

042905680

ABSTRACT:
The device retains the ejection seat arm/dearm lever in safe position to allow the seat to be tilted safely for required maintenance and repair work. A bolt positioned through a clearance hole in an inverted U-shaped base member engages threads in the ejection seat structure. An upstanding brace extends upward from one end of the base member at an angle to abut the seat ejection arming lever to physically block and prevent its movement into the armed position. The bolt is retained in the base member by a cotter pin through the body of the bolt under the head to allow turning while preventing separation from the base.

REFERENCES:
patent: 2512987 (1950-06-01), Young
patent: 2664737 (1954-01-01), Holmsten
patent: 3633852 (1972-01-01), Forman et al.

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