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2. 发明授权

US4460215A Folding seat assembly 失效
标题翻译：折叠座椅总成
公开(公告)号：US4460215A
公开(公告)日：1984-07-17
申请号：US307176
申请日：1981-09-30
申请人： Michael J. Chamberlain , David R. Myers , Donald R. Furlong
发明人： Michael J. Chamberlain , David R. Myers , Donald R. Furlong
IPC分类号： A47C9/06 , B60N2/30 , B64D11/06 , B60N1/10
CPC分类号： B64D11/0698 , A47C9/06 , B60N2/3047 , B64D11/06 , B64D11/062 , B64D11/0691 , Y02T50/46
摘要： A lightweight, compact flight attendant's folding seat assembly is mounted by a plurality of separate brackets to a wall in an aircraft cabin such that the well serves as a connective support structure for various subcomponents of the seat assembly. When the seat pan is pulled down into an open position against a seat return spring, cams actuated by a seat pan frame push forward on a swingably mounted seat back frame forcing the seat back into a downwardly and forwardly sloping seating orientation. The seat back frame and cooperating cams are constructed and arranged in such a way that any rearward force exerted by the occupant against the seat back frame is reacted through the cams into the supporting wall, via the mounting brackets, wherein the intervening cams transmit the load in compression and without being subjected to rotative moment so that the seat pan is not forced to close on the seated occupant. Raising the seat pan withdraws the cams and allows the seat back to swing to a vertical position for stowage along with the upwardly folded seat pan. For maximum compactness when so stowed, the seat pan frame is provided with a contoured seat cushion that complements contouring of a seat back cushion. Integrated with the seat assembly is a retractable, occupant restraint harness including a nonbinding strap guide bracket that is attached to the same wall that mounts the seat assembly and provides for smooth, retraction and pull-out of retractable shoulder straps.
摘要翻译：轻型，紧凑的空中乘务员的折叠座椅组件通过多个单独的支架安装到飞机机舱中的壁上，使得该井用作座椅组件的各个子部件的连接支撑结构。当座椅底盘向下拉到打开位置抵靠座椅复位弹簧时，由座盘框架致动的凸轮在可摆动安装的座椅靠背框架上向前推动，迫使座椅靠背向下并向前倾斜的座椅方向。座椅靠背框架和配合凸轮被构造和布置成使得乘员抵靠座椅靠背框架施加的任何向后的力通过凸轮通过安装支架反作用到支撑壁中，其中中间凸轮传递负载在压缩中并且不受到旋转力矩，使得座位盘不被迫在就座的乘员身上关闭。提升座椅盘可以撤回凸轮，并允许座椅靠背摆放到垂直位置，以便与向上折叠的座椅底盘一起存放。为了在收起时获得最大的紧凑性，座椅框架设置有轮廓座垫，其与座椅靠背垫的轮廓相辅相成。与座椅组件集成在一起的是可伸缩的乘员约束线束，其包括非绑带引导支架，该支架引导支架附接到安装座椅组件的相同的壁上，并提供可伸缩肩带的平滑，缩回和拉出。

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