发明名称 COUPLINGS FOR WATER FED POLES
摘要 A coupling for joining a first pole section and a second pole section is provided. The coupling includes a male portion secured to the first pole section and a female portion secured to the second pole section. The male portion has a first male guide, a second male guide, and a first threaded section between the first and second male guides. The female portion has a first female guide, a second female guide, and a second threaded section between the first and second female guides. The guides are spaced from one another and from the first and second threaded sections so that the first male and female guides are engaged with one another and the second male and female guides are engaged with one another before the threaded sections engage with one another.
申请公布号 EP1969278(A1) 申请公布日期 2008.09.17
申请号 EP20060717648 申请日期 2006.01.06
申请人 UNGER MARKETING INTERNATIONAL, LLC 发明人 CAMP, ROBERT;ROGERS, DAVID;HODGKINS, MATTHEW
分类号 B05B15/06;F16L15/00;F16L37/244 主分类号 B05B15/06
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