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1. 发明授权

US4511159A Trailer hitch guide assembly 失效
标题翻译：拖车牵引导轨总成
公开(公告)号：US4511159A
公开(公告)日：1985-04-16
申请号：US605538
申请日：1984-04-30
申请人： Dwen R. Younger
发明人： Dwen R. Younger
IPC分类号： B60D1/44 , B60D1/66 , B62D53/08 , B62D53/00
CPC分类号： B60D1/44 , B60D1/66 , B62D53/08
摘要： System for vertically aligning mating members of a tow vehicle and trailer. An elongate guide bar is attached to extend away from the rear of the vehicle, to permit contact of the guide bar with the trailer's jack shaft when the vehicle is backed up to the trailer. A mover system is then attached to the guide bar and used to move the jack shaft along the guide bar, to place the respective mating members in vertical alignment. The mover system is removed, and the jack shaft is lowered to engage the respective now vertically aligned mating members.
摘要翻译：用于垂直对齐牵引车辆和拖车的配合构件的系统。连接细长导杆以远离车辆的后部延伸，以允许当车辆被支撑到拖车时导杆与拖车的千斤顶轴接触。然后将移动器系统附接到导杆并用于沿着导杆移动千斤顶轴，以使相应的配合构件垂直对准。移动系统被移除，并且千斤顶轴被降下以接合相应的现在垂直对准的配合构件。

2. 发明授权

US4215875A Trailer hitch 失效
标题翻译：拖车搭便车
公开(公告)号：US4215875A
公开(公告)日：1980-08-05
申请号：US956154
申请日：1978-10-31
申请人： Dwen R. Younger
发明人： Dwen R. Younger
IPC分类号： B60D1/40 , B60D1/16
CPC分类号： B60D1/40
摘要： An improved trailer hitch for automatically aligning and coupling a trailer to a towing vehicle. A movable coupler has a forward portion comprising a conventional socket and latching device for attachment to a ball on the towing vehicle and a rearward portion comprising vertically oriented rearwardly converging side walls. The rearward portion is configured to mate with an opening in the trailer front end so that the side walls abut vertically oriented forwardly diverging guide plates in the trailer front end. The side walls have a vertical thickness along a portion of their length substantially less than the vertical thickness of the guide plates so that the coupler may be raised vertically while in the opening to facilitate attachment of the socket on the coupler to the ball on the towing vehicle. Means are provided for automatically locking the coupler to the trailer when the side walls of the coupler are in abutment with the guide plates in the trailer front end.
摘要翻译：一种改进的拖车挂钩，用于将拖车自动对齐和连接到拖车。可移动联接器具有前部，其包括用于附接到牵引车上的球的常规插座和闩锁装置，以及包括垂直定向的后向会聚侧壁的后部。后部构造成与拖车前端中的开口配合，使得侧壁邻近拖车前端中的垂直定向的向前扩展的导向板。侧壁沿其长度的一部分具有垂直厚度，基本上小于引导板的垂直厚度，使得联接器可以在开口处垂直地升高，以便于在牵引件上将连接器上的插座连接到球上车辆。提供装置，用于当联结器的侧壁与拖车前端中的导向板邻接时，自动将联接器锁定到拖车上。

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