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1. 发明授权

US08439388B1 Universally pivotal tow bar assembly 有权
标题翻译：万能摇杆组合
公开(公告)号：US08439388B1
公开(公告)日：2013-05-14
申请号：US12654759
申请日：2009-12-30
申请人： Tod Westervelt
发明人： Tod Westervelt
IPC分类号： B60D1/167
CPC分类号： B60D1/1675 , B60D1/242 , B60D2001/548
摘要： A tow bar assembly for use in connecting a towing vehicle to a towed vehicle wherein the tow bar assembly includes at least a cylindrical knuckle connected to a draw bar that is receivable within a receiver of the towing vehicle and wherein a pair of spaced flanges of a first end of a U-joint coupler are connected to the knuckle so as to pivot about a first pivot axis defined by an elongated central axis of the draw bar and a second pivot axis perpendicular to the first pivot axis and relative to a horizontal plane and where a pair of spaced flanges of a second end of the U-joint coupler are adapted to permit relative motion of the U-joint coupler about a third pivot axis with respect to a hitch mechanism that is adapted to be connected to the towed vehicle.
摘要翻译：一种牵引杆组件，用于将牵引车辆连接到牵引车辆，其中牵引杆组件包括至少一个连接到牵引杆的圆柱形转向节，牵引杆可接收在牵引车辆的接收器内，并且其中一对隔开的凸缘 U形联接器的第一端连接到转向节，以便围绕由拉杆的细长中心轴限定的第一枢转轴线和垂直于第一枢转轴线并相对于水平面的第二枢转轴线枢转，并且其中U形接头联接器的第二端的一对隔开的凸缘适于允许U形接头联接器相对于适于连接到被牵引车辆的牵引机构围绕第三枢转轴线相对运动。

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