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1. 发明授权

US5857240A Vacuum cleaner 失效
标题翻译：吸尘器
公开(公告)号：US5857240A
公开(公告)日：1999-01-12
申请号：US843272
申请日：1997-04-14
申请人： Yi-Song Park , Sung-Ho An
发明人： Yi-Song Park , Sung-Ho An
IPC分类号： A47L5/36 , A47L9/00 , A47L5/00
CPC分类号： A47L9/009
摘要： A vacuum cleaner with a main body, an upper body and a lower body. The upper body, in which a motor and dust collector are installed, is joined to the lower body, which supports the upper body and also allows the rotation of the upper body. Coupling means joins the upper body to the lower body so as to allow the upper body to rotate on the lower body. One of the coupling means is fixed on the upper body's bottom center, and the other end is a shaft that is joined to the lower body's top center. A bearing member is installed between the upper body's bottom and the lower body's top surface so as to reduce frictional resistance between the two components. The bearing member includes grooves formed on the top surface of the lower body, and balls seated in the grooves that move freely therein, thereby preventing damage to a connecting hose connecting the cleaner's cleaning attachment with the main body.
摘要翻译：具有主体，上身和下体的真空吸尘器。安装有电机和集尘器的上部主体连接到支撑上部主体并允许上部主体旋转的下部主体。联接装置将上身连接到下身，以允许上身在下身上旋转。联接装置中的一个固定在上身的底部中心，另一端是连接到下身的顶部中心的轴。轴承构件安装在上身的底部和下体的顶面之间，以减少两个部件之间的摩擦阻力。轴承构件包括形成在下体的上表面上的凹槽和位于槽中的球，其中的球自由移动，从而防止连接软管将吸尘器的清洁附件与主体相连接。

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