发明名称 Externally removable vacuum cleaner filter apparatus
摘要 A method and structure for externally removing a filter apparatus from a vacuum cleaner. The vacuum cleaner comprises a vessel, a lid removably attached to the vessel, a port, a suction apparatus adapted to create a vacuum within the vessel and draw a substance through the port into the vessel, and a filter apparatus positioned between the port and the suction apparatus. The filter apparatus comprises a frame and a filter. The filter is adapted to remove a plurality of particles from the substance. The filter apparatus is adapted to be removed from the vacuum cleaner without removing the lid.
申请公布号 US7235121(B2) 申请公布日期 2007.06.26
申请号 US20030746971 申请日期 2003.12.26
申请人 WEST TIMOTHY J 发明人 WEST TIMOTHY J.
分类号 B01D46/00;A47L9/10;A47L9/12 主分类号 B01D46/00
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