Aeronautics and astronautics – Aircraft structure – Load accommodation
Patent
1976-07-16
1978-01-03
Blix, Trygve M.
Aeronautics and astronautics
Aircraft structure
Load accommodation
105340, B64D 1106
Patent
active
040662276
ABSTRACT:
An elevated deck structure is positionable on the main deck floor in the passenger compartment of a wide-bodied aircraft for providing a mezzanine seating area in the substantially unused upper lobe of the fuselage. A sectioned elongated support wall has a lower portion which is detachably secured to a pair of conventional seat tracks extending longitudinally along the center line of the main deck floor. A plurality of mezzanine floor sections are secured to the top of the support wall and project laterally outward toward the sidewall of the aircraft fuselage. The mezzanine floor is elevated a sufficient distance above the main deck floor to provide passenger seating both in the area under the mezzanine floor on either side of the support wall and on the mezzanine floor itself in the upper lobe of the aircraft. The elevated deck structure is more narrow than the passenger compartment is wide at the mezzanine level so as to leave sufficient clearance for visual access by the mezzanine passengers of the main deck area and windows in the fuselage sidewall. In addition, its lateral extension is limited so as to not restrict overhead clearance on the main deck aisles. At least one stairway is provided at an end of the structure for passenger ingress and egress between the main deck and the mezzanine area. Both the support wall sections and the floor sections are sized to be received through a conventional aircraft passenger door so that the extra seating capacity can be added or removed to meet changing requirements.
REFERENCES:
patent: 2405136 (1946-08-01), Dittrich
patent: 2595607 (1952-05-01), Priebe
Blix Trygve M.
Kelmachter Barry L.
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