发明名称 Vacuum cleaner filter assembly
摘要 A lightweight vacuum cleaner having a hollow body with an intake nozzle and a nozzle support tube at one end, a suction creating means removably latched at the other end, and a filter bag assembly positioned in a compartment therebetween. The filter bag assembly includes a sealing and support plate having an integral guide tube for receiving the nozzle support tube through one end and a substantially U-shaped frame. An air permeable filter bag having a neck and a tubular body communicating with the interior of a main bag body is positioned between the legs of the U-shaped frame with the tubular neck removably secured about the guide tube.
申请公布号 US3966444(A) 申请公布日期 1976.06.29
申请号 US19750565039 申请日期 1975.04.04
申请人 THE SINGER COMPANY 发明人 CLOWERS, EARL R.;AZELKAS, WALTER G.
分类号 A47L5/24;A47L9/14;B01D46/02;(IPC1-7):B01D46/02 主分类号 A47L5/24
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