Chairs and seats – Crash seat – Bottom and back movable as unit in response to force
Patent
1988-03-11
1989-08-29
Brown, Peter R.
Chairs and seats
Crash seat
Bottom and back movable as unit in response to force
188377, 244122R, 2431881, 297232, 297445, B64D 2504
Patent
active
048611034
ABSTRACT:
A structure which resists dynamic forces, forming a mounting for a seat of an air transport craft and a seat having such a structure comprising front and rear feet, a front anchorage, an energy absorption device, and a stop mechanism. The front and rear feet are articulated at their upper ends on the seat framework, so that each can pivot about a horizontal and transverse pivot axle. The front anchorage comprises a joint having a traverse horizontal pivot axle, which allows the front foot to pivot forwards from its normal position about the joint pivot axle. The energy absorption device extends between the lower front anchorage and the upper part of the rear foot, but at a distance from the upper rear joint. The energy absorption device includes a stop mechanism for preventing the forward pivoting of the rear foot about its lower rear anchorage on the fixed structure of the craft.
REFERENCES:
patent: 2959207 (1960-11-01), Brewster
patent: 3145051 (1964-08-01), Rausch
patent: 3603638 (1971-09-01), McGregor
patent: 3913707 (1975-10-01), Wastensen et al.
patent: 4349167 (1982-09-01), Reilly
patent: 4375300 (1983-03-01), Long et al.
patent: 4440441 (1984-04-01), Marrujo et al.
patent: 4718719 (1988-01-01), Brennan
NPRM 86-M, Department of Transportation FAA "Improved Seat Safety Standards; Proposed Rule", 14 CFR Part 25 (Jul. 17, 1986).
DOT/FAA/CT-85/25, "Seat Experimental Results Full-Scale Transport Aircraft Controlled Impact Demonstration", (Jul. 1986).
501 Societe Industrielle et Commerciale de Materiel Aeronauti Qu
Brown Peter R.
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