Aeronautics and astronautics – Aircraft structure – Fuselage and body construction
Patent
1989-12-07
1992-06-30
Barefoot, Galen
Aeronautics and astronautics
Aircraft structure
Fuselage and body construction
297216, 280806, B64D 2504
Patent
active
051255987
ABSTRACT:
An energy attenuating seat for a vehicle includes a seat member having a seat back and a seat pan. The seat pan includes a front and rear portion. The seat back is rigidly attached to a rigid seat structure or directly to the vehicle. Support structure is provided which is rigidly attached to the vehicle and which is disposed adjacent to the front portion of the seat pan for supporting the seat pan front portion. Structure is provided for hingedly interconnecting the seat pan front portion and the support structure, such that the seat pan rotates about this interconnection. An energy attenuator is interconnected between the seat back and the rear portion of the seat pan, such that vertical load forces experienced by an occupant of the vehicle during a crash causes the seat pan to pivot downwardly whereby the rear portion of the seat pan is disposed closer to the vehicle floor than the seat pan front portion. A vertical height adjustment is provided by allowing the seat to pivot upward and downward.
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patent: 4408738 (1983-10-01), Mazelsky
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patent: 4525010 (1985-06-01), Trickey et al.
patent: 4655416 (1987-04-01), Carnell et al.
patent: 4720139 (1988-01-01), McSmith
Barefoot Galen
Bell Helicopter Textron Inc.
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