发明名称 VACUUM CLEANER NOZZLE
摘要 A suction nozzle for a vacuum cleaner in which a rod having a knurled surface is provided in a rug cleaning surface for loosening lint, hair, thread and such litter on the rug surface so that this litter is entrained in the airflow through the nozzle opening.
申请公布号 US3659313(A) 申请公布日期 1972.05.02
申请号 USD3659313 申请日期 1968.12.09
申请人 CONSOLIDATED FOODS CORP. 发明人 WILLIAM E. FERRIS
分类号 A47L9/06;(IPC1-7):A47L9/06 主分类号 A47L9/06
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