发明名称 Structure for mounting blades of a ceiling fan
摘要 An improvement in the structure for mounting blades of a ceiling fan, characterized in that a motor comprising a bottom formed with a plurality of threaded holes, an annular ring-like mounting secured to the bottom of the electric motor by screws and provided with a plurality of brackets each having a groove which gradually decreases in size from an upper portion toward an lower portion thereof, each of the blades provided with a rod having a tongue which gradually decreases in size from an upper end to an lower end thereof, the tongue being configured so that the upper end of the tongue has same size of the upper portion of the groove while the lower end of the tongue has same size of the lower portion of the groove thereby enabling the tongue to fit into the groove but not slide out thereof.
申请公布号 US6062820(A) 申请公布日期 2000.05.16
申请号 US19980201707 申请日期 1998.12.01
申请人 WANG, CHUN-MING 发明人 WANG, CHUN-MING
分类号 F04D25/08;F04D29/34;(IPC1-7):B63H1/20 主分类号 F04D25/08
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