发明名称 Ceiling fan blade
摘要 A ceiling fan blade assembly includes a U-shaped frame with a groove in an inner periphery of the frame and a plurality of connection members are received in the grooves. A blade body is connected to the connection members and enclosed by the frame.
申请公布号 US6390778(B1) 申请公布日期 2002.05.21
申请号 US20010781258 申请日期 2001.02.13
申请人 LEE CHING-TAN 发明人 LEE CHING-TAN
分类号 F04D25/08;F04D29/38;(IPC1-7):H04D29/34 主分类号 F04D25/08
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