Aeronautics and astronautics – Aircraft structure – Fuselage and body construction
Patent
1991-11-27
1992-12-29
Peters, Jr., Joseph F.
Aeronautics and astronautics
Aircraft structure
Fuselage and body construction
2441185, 2972844, 2972842, B64D 1106
Patent
active
051745267
ABSTRACT:
Presentation of an adjustable lumbar support mechanism for use in the airline aircraft seats. A new method of lumbar adjustment is introduced utilizing a push button (10) and control cable (12) to unlock the positioning rod (42). Rod holds any selected curvature of the lumbar support panel (46). The lumbar panel is formed and preloaded to a convex shape (50) and assumes the most forward adjustment position when control button is depressed and while pressure on the seat back is removed. The lumbar panel is flexible to assume any intermediate curvature when control button is depressed and when the passenger lightly pushes back against the seat back in the lumbar region. The new lumbar system is a fast acting device compared to traditional knob driven units and permits a frequent, quick and easy readjustment of lumbar position whenever said push button is depressed.
REFERENCES:
patent: 3730019 (1973-05-01), Ballard
patent: 3807794 (1974-04-01), Beyer
patent: 4556251 (1985-12-01), Takagi
patent: 4576410 (1986-03-01), Hattori
patent: 4790496 (1988-12-01), Marrujo
patent: 5026116 (1991-06-01), Dal Monte
Ellis Christopher P.
Futureflite Corporation
Peters Jr. Joseph F.
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