发明授权
- 专利标题： Trailer hitch anti-breakway device
- 专利标题（中）： TRAILER HITCH防爆设备
-
申请号： US3770298D申请日： 1971-06-23
-
公开(公告)号： US3770298A公开(公告)日： 1973-11-06
- 发明人: PHILLIPS F
- 申请人： PHILLIPS F
- 专利权人： F Phillips
- 当前专利权人： F Phillips
- 优先权： US15587571 1971-06-23
- 主分类号： B60D1/06
- IPC分类号： B60D1/06 ; B60D1/28 ; B60D1/12
摘要：
An anti-breakaway device for preventing the inadvertent vertical separation of a ball and socket type trailer hitch, having a downwardly opening ball receiving socket, and a draft ball attached to a draft vehicle and received in the socket, the device including interconnected locking plates which overlie portions of the hitch and underlie portions of the draft ball to restrict relative vertical movement of the ball and the socket.
信息查询
