发明名称 Cleaning apparatus with fast wringing ability
摘要 A cleaning apparatus comprises a main rod, a wringing tube, a bearing, a lock, and a cleaning rag assembly. The wringing tube is coaxially put over the main rod and is glidingly movable along the main rod. The fastening device is mounted on the lower end of the main rod. The cleaning rag assembly surrounds a periphery of the main rod at a lower end thereof, having an upper end held by a connecting ring, which is mounted on the wringing tube, and a lower end mounted on the fastening device, allowing easily to replace the cleaning rag assembly.
申请公布号 US2009070950(A1) 申请公布日期 2009.03.19
申请号 US20070901558 申请日期 2007.09.18
申请人 LIN MING-HSIEN 发明人 LIN MING-HSIEN
分类号 A47L13/20;A47L13/50 主分类号 A47L13/20
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