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公开(公告)号：US08939462B2
公开(公告)日：2015-01-27
申请号：US13529073
申请日：2012-06-21
IPC分类号： B60D1/06
摘要： A trailer towing device for a tractor vehicle (1) which comprises a coupling ball (11), having a hollow space (21) for coupling a trailer vehicle (2), and a ball support (17) which engages with an end area in the hollow space (21) through an opening (22) provided in the coupling ball (11) and supports the coupling ball (11), such that the end area of the ball support (17) comprises a joint ball (15) on which the coupling ball (11) is fitted and can rotate so that, together with the coupling ball (11), the joint ball forms a ball joint (28).
摘要翻译： 一种用于牵引车（1）的拖车牵引装置，包括具有用于联接拖车（2）的中空空间（21）的联接球（11）和与所述拖车车辆（2）的端部区域接合的球支撑件 所述中空空间（21）穿过设置在联接球（11）中并且支撑联接球（11）的开口（22），使得球支撑件（17）的端部区域包括接头球（15） 联接球（11）被装配并且可以旋转，使得与联接球（11）一起，接头球形成球接头（28）。
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公开(公告)号：US20130001924A1
公开(公告)日：2013-01-03
申请号：US13529073
申请日：2012-06-21
IPC分类号： B60D1/06
摘要： A trailer towing device for a tractor vehicle (1) which comprises a coupling ball (11), having a hollow space (21) for coupling a trailer vehicle (2), and a ball support (17) which engages with an end area in the hollow space (21) through an opening (22) provided in the coupling ball (11) and supports the coupling ball (11), such that the end area of the ball support (17) comprises a joint ball (15) on which the coupling ball (11) is fitted and can rotate so that, together with the coupling ball (11), the joint ball forms a ball joint (28).
摘要翻译： 一种用于牵引车（1）的拖车牵引装置，包括具有用于联接拖车（2）的中空空间（21）的联接球（11）和与所述拖车车辆（2）的端部区域接合的球支撑件 所述中空空间（21）穿过设置在联接球（11）中并且支撑联接球（11）的开口（22），使得球支撑件（17）的端部区域包括接头球（15） 联接球（11）被装配并且可以旋转，使得与联接球（11）一起，接头球形成球接头（28）。
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