发明名称 Electric vacuum cleaner and nozzle unit therefor
摘要 A nozzle unit for an electric vacuum cleaner has a body case 32 with a nozzle 34a open toward a surface to be cleaned, a first pipe 35 coupled to the body case 32 so as to be rotatable in the direction J1, and a second pipe 36 coupled to the first pipe 35 so as to be rotatable in the direction J2. A first and a second air flow passage, formed inside the first and second pipes 35 and 36 respectively, are arranged substantially in a straight line as seen in a side view. The first pipe 35 has a sliding portion 35a that has an arc-shaped cross section and that slides along the inner surface of the body case 32, and this sliding portion 35a is arranged inside the body case 32, which is substantially rectangular, as seen in a plan view. <IMAGE>
申请公布号 AU4234099(A) 申请公布日期 2000.02.17
申请号 AU19990042340 申请日期 1999.07.28
申请人 SHARP KABUSHIKI KAISHA 发明人 NAGAI KIYOMU;KOSAKA GENJI;HIKIDA NOBUHARU;YAGI MIKIO;HATO SHIGENORI;TAMURA TAICHI;INOUE TERUHISA;OHTA KEI;SHINDOU MASARU
分类号 A47L9/02;A47L9/04;A47L9/24;A47L9/32 主分类号 A47L9/02
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