Seatback breakover device

Details Seatback breakover device Seatback breakover device

1991-12-04

1994-06-14

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

2972161, B64D 1106

Patent

active

053203089

ABSTRACT:
A seatback fitting assembly is provided with means to allow the complete forward rotation of the seatback, while remaining anchored to the seat structure, upon an excessive dynamic load or force impact on the seatback. This is accomplished by the use of a structural "breakover" device operating within the fitting assembly, which restrains the seatback within a limited, "forward tilt" range of motion under normal conditions, but allows complete forward rotation once load forces above an allowable level act on the seatback to cause a restraining pin to shear. A friction brake or clutch arrangement is provided to inhibit tilting of the seatback at all times but does not prevent the complete forward rotation of the seatback.

REFERENCES:
patent: 4236750 (1980-12-01), Moritz
patent: 4394047 (1983-07-01), Brunelle
patent: 4488754 (1984-12-01), Heesch et al.

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