发明名称 Ceiling fan with multiple downrods
摘要 A ceiling fan support system is provided which contains multiple, perimeter downrods connected between a ceiling fan housing and supporting structure attached to a ceiling. The perimeter rods may provide some or all of the supporting structure to suspend the ceiling fan housing. In order to accommodate sloped ceilings, the perimeter downrods may be made of adjustable length.
申请公布号 US6357714(B1) 申请公布日期 2002.03.19
申请号 US20000477987 申请日期 2000.01.05
申请人 QUORUM INTERNATIONAL, L.P. 发明人 JOHNSON AARON MITCHELL
分类号 F04D25/08;F04D29/60;(IPC1-7):B42F13/00 主分类号 F04D25/08
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