发明名称 Wet/dry floor cleaning unit and method of cleaning
摘要 A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.
申请公布号 US6832409(B2) 申请公布日期 2004.12.21
申请号 US20010956297 申请日期 2001.09.18
申请人 发明人
分类号 A47L5/30;A47L5/34;A47L7/00;A47L11/34;(IPC1-7):A47L11/30 主分类号 A47L5/30
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