发明名称 Vacuum cleaner nozzle with rotatable comb-shaped part
摘要 A nozzle for a vacuum cleaner which has an elongated comb-shaped part that can be rotated from a retracted position within the nozzle housing to another position in which it is extended out of the housing for use with a deep pile rug. The comb-shaped part has a cylindrical surface which moves adjacent to the suction channel and has an opening therein for communication between the comb-shaped part and the suction channel when said part is in its fully extended position.
申请公布号 US4100644(A) 申请公布日期 1978.07.18
申请号 US19770774319 申请日期 1977.03.04
申请人 AKTIEBOLAGET ELECTROLUX 发明人 JOHANSSON, ERIK KARL GUSTAV
分类号 A47L9/02;C01B15/043;(IPC1-7):A47L9/06 主分类号 A47L9/02
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