发明名称 GOOSENECK TRAILER HITCH CONVERTIBLE TO A LIFTING BOOM
摘要 <p>A gooseneck trailer hitch assembly convertible to a lifting boom is disclosed. The gooseneck assembly is convertible between a tow configuration and a boom configuration. The gooseneck trailer hitch assembly comprises a base mount configured to mount on a trailer, a stanchion structure extending upwardly from the base mount, and a boom structure mounted on the stanchion structure above the base mount. The boom structure is movable between a tow configuration in which the boom structure functions as a gooseneck for a hitch and a boom configuration in which the boom structure functions as a lifting boom. A trailer system includes a trailer and a gooseneck trailer hitch assembly convertible between a tow configuration and a boom configuration mounted on the trailer.</p>
申请公布号 WO2012087311(A1) 申请公布日期 2012.06.28
申请号 WO2010US61808 申请日期 2010.12.22
申请人 HEMMINGSEN, CRAIG, ROBERT 发明人 HEMMINGSEN, CRAIG, ROBERT
分类号 B62D53/08 主分类号 B62D53/08
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