Patent ID: 9708065
Date: 2017-07-18
CPC Classifications: B64C,B64D,Y02T

Claim:
1. An aircraft structure comprising: a fuselage comprising lower and upper semi-monocoque structures; a lower deck disposed inside said fuselage and attached to said lower semi-monocoque structure, said lower deck and said lower semi-monocoque structure defining a space for storing at least one of baggage, bulk cargo and containerized cargo; an upper deck disposed inside said fuselage above said lower deck and attached to or integrally formed with at least one of said upper and lower semi-monocoque structures, said upper and lower decks and said lower semi-monocoque structure defining a main cabin, and said upper deck and said upper semi-monocoque structure defining a crown cabin; a first multiplicity of passenger seats supported by said lower deck and disposed in said main cabin; and a second multiplicity of passenger seats supported by said upper deck and disposed in said crown cabin, wherein said upper deck has a hanging floor structure comprising a plurality of transverse bow floor beams, each of said transverse bow floor beams comprising a central portion, a first angled portion connected to said central portion and attached to or integrally formed with said fuselage at an elevation which is higher than an upper surface of said central portion, and a second angled portion connected to said central portion and attached to or integrally formed with said fuselage at an elevation which is higher than said upper surface of said central portion, said central portion being structurally supported by said first and second angled portions.