发明名称 Trailer
摘要 A trailer including (i) a trailer frame supported by ground engaging wheels; (ii) an auxiliary drawbar pivotable from a retracted inoperative position to an extended or towing position located behind the trailer frame; and (iii) connection means to a prime mover. There is also provided a pivot frame pivotally attached to the trailer frame by pivot attachment means which may extend from an extended leading position for maintenance apparatus to a retracted transportation position.
申请公布号 US2005073133(A1) 申请公布日期 2005.04.07
申请号 US20040503850 申请日期 2004.12.01
申请人 DUFTY RAYMOND J 发明人 DUFTY RAYMOND J
分类号 B62D63/06;(IPC1-7):B62B1/00 主分类号 B62D63/06
代理机构 代理人
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