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    • 12. 发明申请
    • FOLDING MECHANISM FOR A FUTON SOFA SLEEPER
    • FUTON SOFA SLEEPER的折叠机构
    • WO2008036749A3
    • 2008-07-10
    • PCT/US2007078904
    • 2007-09-19
    • L & P PROPERTY MANAGEMENT CO
    • JAMES KEITH HARFT DENNIS E
    • A47C17/13
    • A47C17/161A47C17/1655A47C17/17A47C27/081
    • This invention is directed to a futon sofa sleeper having a sofa frame, a folding mechanism and a mattress assembly. The sofa frame has a back with a cavity and a pair of opposed arms. The folding mechanism folds into and out of the sofa frame and is extendable from a first position to a second position. The folding mechanism includes a frame with a rear section rotatably coupled with the sofa frame, a middle section pivotally coupled with the rear section, and a front section pivotally coupled with the middle section. The mattress assembly is supported on the folding mechanism and contains a shell and an inner support received within the shell. The inner support including an innerspring construction and an air bladder, wherein in the first position, the rear and middle sections of the folding mechanism are located within the cavity.
    • 本发明涉及具有沙发框架,折叠机构和床垫组件的被褥沙发床。 沙发框架具有带有空腔的背面和一对相对的臂。 折叠机构折叠进入和离开沙发框架并且可从第一位置延伸到第二位置。 折叠机构包括具有与沙发框架可旋转地联接的后部的框架,与后部枢转地连接的中间部分和与中间部分枢转地联接的前部。 床垫组件支撑在折叠机构上并且包含容纳在壳体内的壳体和内部支撑件。 内部支撑件包括内弹簧结构和气囊,其中在第一位置,折叠机构的后部和中部位于腔内。