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11. 发明授权

US06360833B1 Chair lift for stairs 失效
标题翻译：椅子电梯楼梯
公开(公告)号：US06360833B1
公开(公告)日：2002-03-26
申请号：US09544230
申请日：2000-04-07
申请人： Joseph R. Valencia
发明人： Joseph R. Valencia
IPC分类号： B62D5700
CPC分类号： A61G5/061 , A61G5/066 , A61G5/085 , A61G5/0883 , B66B9/0861
摘要： Chair Lift for Stairs with a light weight metal chair frame mounted to a pair of metal slidable sled rails, the chair frame supporting a fabric seat and back, a set of wheels mounted to the base of the rails, a thigh retaining sling mounted below the chair frame, an electric winch type mechanism mounted between the sled rails, the winch mechanism having a pulling cable located near the center line of the chair frame, the chair frame also containing a rechargeable battery to be used as a power source for said winch, said chair frame also having a manual pull strap attached to the top cross rail of said chair frame, said chair frame being collapsible for easy transport, and said chair frame also includes a retractable third wheel that can be deployed at the bottom rear center of said chair so that said chair can act as an emergency wheel chair.
摘要翻译：椅子提升楼梯，重量轻的金属椅子框架安装在一对金属可滑动的滑轨上，椅架支撑织物座椅和靠背，安装在轨道底部的一组轮子，一个安装在下面的大腿保持吊架座椅框架，安装在滑轨之间的电动绞盘式机构，所述绞盘机构具有位于椅子框架的中心线附近的拉绳，所述椅架还包含用作所述绞盘的动力源的可再充电电池，所述椅子框架还具有附接到所述椅子框架的顶部横梁的手动拉带，所述椅子框架可折叠以便于运输，并且所述椅子框架还包括可伸缩的第三轮，其可以部署在所述椅子框架的下部后中心处椅子，使椅子可以作为紧急轮椅。

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