发明名称 Multi-balled rotatable trailer hitch
摘要 The present invention provides a multiple ball trailer hitch comprising a bumper mount and a hitch plate provided with a plurality of different sized hitch balls. The hitch plate is settable on the bumper mount in a plurality of different hitch ball presenting positions according to desired hitch ball size. The overall trailer hitch has a pulling axis and the hitch plate is secured to the bumper mount by at least two securing posts in line with the pulling axis with the hitch ball in use being supported from beneath by the bumper mount.
申请公布号 US5044652(A) 申请公布日期 1991.09.03
申请号 US19900531083 申请日期 1990.05.31
申请人 BRISSON, ROGER 发明人 BRISSON, ROGER
分类号 B60D1/07 主分类号 B60D1/07
代理机构 代理人
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