发明名称 Vacuum cleaner
摘要 A vacuum cleaner is provided which includes an easily removable recovery tank mounted on a support structure and having a cover on the tank forming a vacuum chamber in the tank, the cover being hinged to the support structure by a hollow hinge. A vacuum fan is mounted on the support structure and draws air from the vacuum chamber through the cover and through the hollow hinge.
申请公布号 US4463474(A) 申请公布日期 1984.08.07
申请号 US19820385493 申请日期 1982.06.07
申请人 发明人
分类号 A47L7/00;(IPC1-7):A47L7/00 主分类号 A47L7/00
代理机构 代理人
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