发明名称 Interchangeable hitch ball
摘要 An interchangeable hitch ball assembly is provided having hitch post, a removable hitch ball, and a connector pin. The hitch post defines an annular groove proximate to the top end that is sized to receive spaced-apart prongs of the connector pin along opposing sides of the hitch post. Removable hitch ball defines a pin recess aligned with the annular groove of the hitch post. The user can remove the hitch ball by extracting the connector pin. In this manner, the user can utilize hitch balls of different sizes, as needed.
申请公布号 US7963545(B2) 申请公布日期 2011.06.21
申请号 US20090479025 申请日期 2009.06.05
申请人 COY THOMAS 发明人 COY THOMAS
分类号 B60D1/06 主分类号 B60D1/06
代理机构 代理人
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