发明名称 Non-rotating hitch ball
摘要 An attachment to prevent rotation of a hitch ball assembly where the assembly has a ball supported by a neck on a base and has a mounting shaft. The attachment comprises a plate having top and bottom surfaces and an passageway for receiving the mounting shaft. The top surface of the plate is affixed to the base of the hitch ball. The bottom surface of the plate has a anti-rotation stud. A draw bar is used having a recess for receiving the anti-rotation stud and a passageway for receiving the mounting shaft. A fastener then engages the mounting shaft to secure the assembly in position.
申请公布号 US6908098(B2) 申请公布日期 2005.06.21
申请号 US20030249332 申请日期 2003.04.01
申请人 MILAZZO JAMES D. 发明人 MILAZZO JAMES D.
分类号 B60D1/06;(IPC1-7):B60D1/06 主分类号 B60D1/06
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