Aeronautics and astronautics – Aircraft structure – Fuselage and body construction
Patent
1994-05-03
1996-03-19
Grant, William
Aeronautics and astronautics
Aircraft structure
Fuselage and body construction
188374, 2972162, B64D 2504
Patent
active
054997836
ABSTRACT:
An underframe for a passenger aircraft seat, the underframe including at least one element forming a front leg and at least one element forming a rear leg, and energy absorption structure that is active when a moving element of the seat moves relative to another element of the seat or of the floor of the aircraft cabin, under the effect of the seat being subjected to deceleration above a predetermined value. The energy absorption structure includes an energy absorption device including a male part that penetrates by force and with plastic deformation into an aperture in a female part. Either the female part or the male part is attached on and directly associated with the moving element, and the other part, i.e. the male part or the female part, is attached on and directly associated with the other element.
REFERENCES:
patent: 2959207 (1960-11-01), Brewster
patent: 3059966 (1962-10-01), Spielman
patent: 3603638 (1971-09-01), McGregor
patent: 4375300 (1983-03-01), Long et al.
patent: 4911381 (1990-03-01), Cannon et al.
patent: 5224755 (1993-07-01), Beroth
Grant William
Societe Industrielle et Commerciale De Materiel Aeronautique
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